Vacuum Petcock Diagram

When the engine is running, a 'vacuum' exists in the intake manifold (which is what sucks the air into the engine) and this vacuum is also used to open the petcock. Order your Petcock - Rebuild Kit - Suzuki from Z1 Enterprises Store. 05 55 27886-78A CVP-FLTVLV: FLOAT VALVE W/ CLIP (3 sided and 4 sided are interchangeable) 1 20. Fuel supply valve/petcock turned off. Re: Test your Petcock,. Inspect the vacuum hose if the vacuum petcock fails to operate. Powermate Compressor Petcock 072-0006 - This is an authentic OEM replacement part that has been sourced directly from Powermate. Good morning everyone. All ATV Dirt Bike Pingel High Flow Fuel Petcock with Custom Knob $ 142. Hi, i'm guessing someone has fitted a vacuum auto shut of tap which would run a smaller hose to the engine side of the carb if there's a place there to draw vacuum from. A radiator drain petcock valve, or shut-off valve, allows the radiator to be drained without removing it from the vehicle. On the US model, either 1&4 or 2&3 are connected and go to the vacuum canister on top of the valve cover. 1994 Honda CB1000 A FUEL TANK Change Assembly. I wanted to replace the vacuum hose as well (that which goes from under the left side of the tank, just behind the fuel hose, to the carburetor. Remove the two rear fuel tank mounting bolts with a 10 mm socket. Lots of bikes ran that sort of tap [petcock]. Line from #4 cylinder sync port to petcock vacuum port, plus the other 3 sync port holes. I've had trouble with those plugs on other bikes, they crack and disappear, all brands seem to be the same material. Its the bowl overflow line. Your symptoms sounds more like a bad float valve instead of a bad petcock. It operated well for a few weeks, and then I had some stalls at idle and finally a cutout at a stop sign and I couldn't restart. If you took out the vacuum shut off youll need to replace the fuel anyway. It has no off position rather just on-reserve and prime. 26 You save up to 10% K & L Fuel Petcock Repair Kit $15. On my 06 Patrol, the vacuum petcock failed and continually let gas into the carbs. Or at least I don't recall how they were before I took 'em out. You're correct on the vacuum function of the petcock. Fits year 1992-2000. I am having trouble with my stock vacuum petcock valve. Todd forgot to include a vacuum cap for the soon-to-be-discarded petcock vacuum valve hose, but I had a spare cap lying in the old tool box. The stock LT80 petcock is a bit of a mystery to many owners. Kits will fix a leaky or inoperable petcock with parts that exceed OE specifications. The Vacuum Line is usually connected to the lower nipple on the Fuel Valve on most models. On the stock tank there are two on the front right. Up to $80 off select products. Next remove the screws holding the back of the vacuum thing to the petcock. Inspect the vacuum hose if the vacuum petcock fails to operate. Line from #4 cylinder sync port to petcock vacuum port, plus the other 3 sync port holes. Most of us bought a small engine fuel cutoff valve from the local small engine repair shop. When the engine shuts off, the vacuum is removed and the fuel shuts off. Javascript is disabled on your browser. Hi, i'm guessing someone has fitted a vacuum auto shut of tap which would run a smaller hose to the engine side of the carb if there's a place there to draw vacuum from. The Pingle cutoff valve #4321-CH (this is the petcock replacement not the in line vacuum cutoff) replaces the stock petcock and the synthetic in tank filter. If you took out the vacuum shut off youll need to replace the fuel anyway. If fuel flows YOUR FILTER IS CLOGGED get a new one. To view this site, you must enable JavaScript or upgrade to a JavaScript-capable browser. com is dedicated to the Honda CB750 SOHC and DOHC motorcycles and to their owners who love to ride, restore, and customize them. They undergo comprehensive evaluation to ensure the highest quality and durability standards to help maximize the life of your vehicle, and give you peace of mind that your Kawasaki is always operating at peak performance. Accessories - No max quantity limit, while supplies last. Your decision,,,,. The yellow hose is connected by a tee to both carbs. Line from #4 cylinder sync port to petcock vacuum port, plus the other 3 sync port holes. YFB250U Timberwolf 2WD (Rear) 92-98. ) 87-88 18-2723 18-6635 KZ305B1 LTD 81-82 18-2706 ------ 800. Keep in mind the 450 has a vacuum petcock. mechanics 14,960 views. Remove the eight 5mm screws holding the top/rear rail on. Yes, the CA tank has a vent connection inside the tunnel instead of a vented cap. I've had trouble with those plugs on other bikes, they crack and disappear, all brands seem to be the same material. See below: ON = Fuel flows when there is a Vacuum from the Carburetor (Engine Running) PRIME = Fuel flows without any vacuum (Engine Off) RES (Reserve) = Allows fuel to flow from the lower Pickup Tube (Engine Running) KK. Z1 Parts Inc. If that port is not capped off then yes there will be a huge vacuum leak to whatever cylinder is not capped off tight. It is like #1 in the link of tmy original post. My vacuum petcock has developed a serious leak. Front outlet of petcock facing the front of the bike is hooked up to the bottom of carbs 3-4 (counting carbs from left to right) and rear of the petcock outlet is hooked up to the rear of bike. my petcock started leakin so i odered a repair kit but when i took the petcock apart i didnt pay attention to how it it all went. To accomplish this recommended teat end vacuum level most high pipeline vacuum levels are set at a maximum of 47 K pa (14 in hg) vacuum, and a low pipeline is set at 40 to 42 K pa (12 to 12-1/2 in hg). (6) TAIYO GIKEN Fuel Petcock Cut Off/Shut Off Valve Small Engine/ATV/Go Cart NEW - $19. My Virago has a vacuum operated valve and instead of off, there is a "Prime" position that draws from the reserve but does not require vacuum to flow. This vacuum operated fuel valve has the highest fuel flow of any vacuum style fuel valve on the market. vacuum diagram. The original configuration of the breather hose came from the bottom of the tank (other side of petcock from the overflow) to a T fitting, two hoses came off that and. Shop online for OEM FUEL TANK parts that fit your 2004 Honda VT750C A, search all our OEM Parts or call at 1850-702-5730. If the petcock works like stated above, then it's not the start problem. these vacuum petcocks are just a lazy man petcock,when cranking engine or running vacuum pulls the diafram open letting gas through,then its gravity feeds,shut engine off shuts gas off. Duromax XP10000E diagrams. Replace or rebuild the valve as required. Source: Industrial products catalog. I have a 2000 Recon 250. 54 56 Varies by model CVP-NDL: JET, NEEDLE (versions for Big Twins, 883/1200, and 2004-06 1200 w/ XB heads) 1. When you start the quad by turning over the engine a vacuum is created in the carb which is piped to the petcock via a rubber hose. At any rate, the petcock, or "fuel petcock" is a valve on non-fuel-injected 2-stroke and 4-stroke dirt bikes that controls the flow of, you guessed it, fuel. Any change in idle RPM, whether up or down indicates a vacuum leak. " on the valve, but since there is no indicator. Page 101-136. Red:: From side of carburettor --> intake inlet manifold. The Bike Runs Out Of Gas With The Petcock In The On Position. A fuel pump is needed when gravity fuel flow is not practical. (6) Taiyo Giken Fuel Petcock Cut Off/Shut Off Valve Small Engine/ATV/Go Cart NEW These have a 5/16 inlet and a 3/16 outlet with a ball style valve. There are 2 overflow lines that connect top the 3 way valve, just behind the carb's (hose #36 & 39), and one line that runs into that little black plastic box (not even sure what that thing is) Then there is a large hose that connects the right side of the. the breather line on the gas tank and the valve on the petcock. Also replace the two small O-rings on the bolts for the petcock part# 92022. I thought a petcock was a petcock (for a king quad 300). 00-271006-00002; Solenoid Valve 3/8 (208-240 V)(Used W/O 120 V pilot circuit). The following diagrams detail the K, K1, & K2 engines. You might need to find a diagram for the 800 tank to see what the nipples are for. Re: Test your Petcock,. Have a leak by the switch. Now it runs fine on "PRI" and "ON" but not on "Res". This petcock is a great replacement for the vacuum type used on 1978 - 1984 XS650 and other Yamaha models that utalize vacuum type petcocks. 2 out of 5 stars 5 $8. Javascript is disabled on your browser. All the rest of the lines are hooked up exactly like your diagram shows they should be, the carb, petcock, y intake, coils, plugs, rectifier, choke cable, and brainbox are all brand new. Options: Universal Fit WPS Fuel Valve Shut-Off with 1/4" Line. While many similarities occur within K-series engines and between "F" and other models, there are differences. The original configuration of the breather hose came from the bottom of the tank (other side of petcock from the overflow) to a T fitting, two hoses came off that and. This is the most common valve found in use today. There is not a diagram on the owners manual so I was looking for someone that has it set up. They fit very snug. DandyDan wrote:In the stock setup, you'd have the gas line running to the petcock, another gas line running from the petcock to the carb and then a vacuum hose running to the petcock from the intake manifold (between carb and cylinder). Rebuilds one petcock, picture shows contents. My Virago has a vacuum operated valve and instead of off, there is a "Prime" position that draws from the reserve but does not require vacuum to flow. A petcock is a small shut-off valve used to control the flow of liquid or gas. A how-to book can be purchased at your local auto parts store. This house was built in-house. :) Part #23f-24500-11 it has on/off/res and cost $16. These threads go on forever, since the problem rarely gets solved. 1974 KZ400 Wiring diagram, colour Also beware of rotten vacuum piston diaphragms on the 400B and 440 model carburettors. I bought a new carb and its the same set up except there is a nipple on the bottom that is missing. The parts salesman said that hose is now obsolete. One petcock just requires a splitter and two pipes to feed the carbs. Remove the 4 screws on your stock valve, remove the diaphram, then using your existing hardware, bolt on the plate provided (it's best to drain the gas. If you deleted all the emissions & air box than you should only have a vacuum hose from each carb. I thought a petcock was a petcock (for a king quad 300). 05 55 27886-78A CVP-FLTVLV: FLOAT VALVE W/ CLIP (3 sided and 4 sided are interchangeable) 1 20. Fuel valve/petcock or filter clogged. Earlier models equipped with the older butterfly style carbs (pre-89 Evo’s. Green hosing Goes from the inner frontal hose of the lower petcock to the T-piece between the carburetors, it's the connection between the petcock and the carburetor. It opens when your engine is running to allow fuel to flow into your gas line. While many similarities occur within K-series engines and between "F" and other models, there are differences. You should see a fitting on the right side of the far right carb. I Just Bought An 05 DRZSM With 3900 Miles on It. Honda CB750 CB 750 K3 - K7 Electrical Wiring Harness Diagram Schematic 1973 to 1977 HERE. Get free shipping, 4% cashback and 10% off select brands with a Gold Club membership when you get a V-Twin Manufacturing Vacuum Petcock By-Pass Kit (part number 35-0426) from. A common problem on a lot of carbureted Harleys is the vacuum fuel valve, designed to eliminate the need to turn off the fuel valve when not in use by using the vacuum of the engine to turn the gas on. Also, check that the petcock is screwed firmly onto the tank, I always have to snug mine up every year, it starts dripping very slowly _____ _____. If you know. Arctic Cat ATV Parts Diagrams. Chinese Parts - Gy6 50-150Cc Fuel Pump Vacuum Shut Off/Petcock from Motobuys. Reassemble. gasket set, petcock (contains 1 large 1 small. The mating barbs are sized to match. The excess fuel causes an abnormally rich air fuel mixture. Contact your IPEG representative to learn more about which pressure/vacuum relief valve would work best for your application. Petcock, Vacuum Operated. 20% off select vacuums. The vacuum line in your diagram is tapped onto carb #3, so #2 could still open the vacuum petcock. (6) Taiyo Giken Fuel Petcock Cut Off/Shut Off Valve Small Engine/ATV/Go Cart NEW These have a 5/16 inlet and a 3/16 outlet with a ball style valve. Usually, carb 2 will be the one for the petcock, simply because it gives the best routing for the hose without kinking, or using too much hose. Please try again. IN-HOSE VENT PETCOCK a. The easiest way to get rid of it is to run a line from the gas tank to the carburetor (always put a fuel filter in that line), then pull the hose from the port and use a specially. Now I'm a bit scared - the owner's manual says that it's OK to leave it open, however I see many petcock issues over the internet; looks like vacuum petcocks are prone to fail, fuel can leak into the carburetors, flooding the engine - so I'd like to get some general advice. Our Petcock (drain cock) air bleeder valve is 1/4 inch and made of brass. Our guides and diagrams are copied and quoted EVERYWHERE. A vacuum petcock does have a vacuum nipple to receive vacuum which operates the petcock. same results I can get it to start sometimes and dies out always. When the engine is shut off, the fuel flow is shut off. Frequent use of the radiator petcock or corrosion can cause its threads to strip. YFM350FW Big Bear 4X4 98-99. The right and safe solution is to rebuild the original petcock, I got the rebuild kit from my local Kawasaki dealer for $26. Will ship next business day of received payment via USPS First Class Mail. Petcock Connections. I would go with that diagram. com was only $17. on off reserve eliminates vacuum valve on some models high flow rebuild able 5/16ths hose OEM look New petcock with 44mm adapter plate. mechanics 14,960 views. Turn the pet cock off, loosen the nut holding the petcock to the tank just enough to turn the pet cock 180 degrees then tighten back up. bikerpartsuperstore. 00 for a pair, plus $6. Use our parts diagram tool below to find the parts you need for your machine. While holding an empty can under the petcock, turn the valve to the ON position. Another thing you can/should try - When you have the petcock assembled and on your gas tank - pull all 3 gas lines off - leave the line to the vacuum fitting on the petcock, then gently suck on that vacuum line - you should get good, steady flow from all 3 gas lines when you have the lever turned to "on" or "reserve". If you can't find your model's diagram or serial numbers, call us toll-free and we'll be glad to help you find your parts. Took out the carb and cleaned it and the plug is all good. This product is one of the first motorycle parts from Pingel manufacturing. Subject: VX800 yet another petcock/fuel tap threadsorry! Fri Oct 09, 2015 4:33 pm Just got a VX last month and it reminds me so much of the big old British twins I used to ride back in the day, my Bonneville, my Tiger 750 all spring to mind when I set off on the Vixer, it's a very evocative ride, for me at least. For product-specific approval information, please refer to the. 046-250 Also works on the Carter Talon 150. At any rate, the petcock, or "fuel petcock" is a valve on non-fuel-injected 2-stroke and 4-stroke dirt bikes that controls the flow of, you guessed it, fuel. These 3 lines are only supposed to push air through the carb and vent the crankcase and cylinder emissions. Thing is, everything else is fine, the hoses and the radiator itself are all in good condition. This is the diagram of the California Emissions system. ) 87-88 18-2723 18-6635 KZ305B1 LTD 81-82 18-2706 ------ 800. A petcock is a small shut-off valve used to control the flow of liquid or gas. The tag under the seat reads trx250y. One petcock will deliver enough fuel to the carburetors to run the 650, that one petcock would be enough to run a much larger engine. For Carbureted Models Only. 16956-MJ1-000 16956-MJ1-010. There is not a diagram on the owners manual so I was looking for someone that has it set up. Run a single, long hose from the left fitting on the intake all the way up to the petcock. I have a 1981 XS400 special. Looking at zoro's post of the vacuum diagram, I'm wondering if what I'm seeing there is the only few possibilities of vacuum leaks in. 00 shipping, they fit right in the tubes of the petcock, but if the one for the. May 28, · On the 01 the big hose and fitting is the fuel line. DYI: Fuel Petcock Rebuild - w/pictures In that the parts diagram of the fuel tank calls out the fuel petcock as an assembly, I ASSUME that HONDA never intended for this assembly to be rebuilt. It may be necessary to crank the engine over several times before fuel flows to the carburetor. The parts salesman said that hose is now obsolete. Usually, carb 2 will be the one for the petcock, simply because it gives the best routing for the hose without kinking, or using too much hose. A friend picked it up very cheap and every vac tube was disconnected. The purpose of the vac petcock is to close off the fuel when the engine stops from lack of vacuum. This would mean somewhere there is an open line doesn't it. Despite being vacuum operated it never really shuts off. The vacuum operated petcock uses a vacuum line from one of the vacuum ports on the carbs. 16953-MBZ-B51. Connect the Fuel Valve's vacuum line to the engine's vacuum T-connector as shown below:. DYI: Fuel Petcock Rebuild - w/pictures In that the parts diagram of the fuel tank calls out the fuel petcock as an assembly, I ASSUME that HONDA never intended for this assembly to be rebuilt. 046-250 Also works on the Carter Talon 150. Its the bowl overflow line. Later models had a vacuum petcock which results in additional tubing, but the basic setup remains the same. The vacuum petcock was ONLY a safety feature, no performance enhancement at all. a real pain is the the vacuum fuel pump on rhino trying to pull gas upwards from aways and keeping carb bowl full, also draining back. I would go with that diagram. Removing the Petcock. Not only that, but. These threads go on forever, since the problem rarely gets solved. If that port is not capped off then yes there will be a huge vacuum leak to whatever cylinder is not capped off tight. YAESU FT-1000MP S Transceiver With Microphone 10W 5F010481 Pre-owned Rare YAESU FT-1000MP FT-1000MP S YAESU Rare Transceiver Pre-owned 10W Microphone With 5F010481 5F010481 With Microphone FT-1000MP Transceiver Pre-owned S 10W YAESU Rare. Top quality petcock allows convenient control of fuel flow. XV1000 and XV1100's are a different story on how their vacuum systems operate. Green hosing Goes from the inner frontal hose of the lower petcock to the T-piece between the carburetors, it's the connection between the petcock and the carburetor. This hose is for ON. Make sure it is nice and clean, but I am unaware of anyone who sells a rebuild kit for the Volusia petcock, and Suzuki sells only the gasket for between the petcock and the tank. Non-Vacuum. Maximum Working Pressure: 150psi (10. there is a high instance of the stock fuel pump points failing, so many of us carry a length of gas hose long enough to go from the petcock to the carb bank. 16956-MJ1-000 16956-MJ1-010. Maybe the previous owner had a fuel drip from the carb overnight & though he'd run this to fix it one way or other. Remove the eight 5mm screws holding the top/rear rail on. We are your #1 source for Kawasaki & Suzuki Vintage Motorcycle Parts. The stock cap works fine. The petcock has a rubber diaphragm inside---engine not running means no vacuum which means auto shut-off, engiune cranking/running, means vacumm which opens the rubber diaphragm and allow fuel to flow. The valve has two hoses connected to it. It's been gravy since. Now, my Vulcan 750 v-twin has a vacuum operated petcock, there is no off position, only on and reserve. I called my local H-D dealer and asked to order it. To accomplish this recommended teat end vacuum level most high pipeline vacuum levels are set at a maximum of 47 K pa (14 in hg) vacuum, and a low pipeline is set at 40 to 42 K pa (12 to 12-1/2 in hg). OEM Piaggio Fuel Valve for US Model Vespa ET2, ET4, LX 50 and 150, S50 and GT 200 models. If your bike has the vacuum-assisted petcock on it (AKA Spawn of Satan or SOS), remove it, but keep all the tubes connected to it. The mechanic I went to told me that I have a coolant leak and that I would need a new radiator. Wiring diagrams. The bad part of the stock vacuum valve is that there is no off position, as it relies on lack of vacuum to stop fuel flow. The K&L Fuel Petcock Rebuild Kit includes all the necessary O-rings and diaphragms neede to rebuild one petcock. Where is the petcock leaking? If it's leaking through the fuel or vacuum lines it might be because the part marked #19 (Kawasaki part number 11009-1194) in the diagram below commonly fails. These petcocks are great for use in custom tanks. Follow the fuel line from the rearleft side of your carb itll go to the petcock. 99 You save 38% Product Details. In return , r iders don't need to worry about the vacuum diaph rag m going ba d and the hefty price ta g of the hard to find OEM unit. Alright, so me and a buddy picked up a 2002 350es Rancher yesterday 2x4 as a project. Shop online for OEM FUEL TANK parts that fit your 2006 Honda VT750C A, search all our OEM Parts or call at (231)737-4542. The most common application of a petcock in an automobile is as a drain plug for a radiator. There is a mod to change the OEM petcock to full manual, and eliminate the vacuum function - and close off the vacuum line. Re: $380 for a petcock? « Reply #1 on: June 27, 2019, 11:16:22 AM » On my 83 650 after buying a cheap one off eBay, that never worked I just bought a new repair kit fro both the diagram and the petcock all for less than 60 bucks. The seals were just a hair off of the oem but worked to stop the leak. Vacuum Operated. As your demand for fuel rises during acceleration, the vacuum from the carbs pulls fuel down through the fuel lines. Where is the gas tank / petcock filter or screen? I am confused as to whether a stock KLR 650 does or doesn't have a screen or filter in the fuel tank or at least inline somewhere. I got it on ebay for about 10 clams. If your petcock is leaking out the bottom when set to ON or RES, it's likely that this valve is not making a proper seal. Also Piaggio BV 200, Early S150, Early LXV150. I believe that attaches to the gas tank with two plastic screws, one on each side of the petcock. This valve helps to relieve pressure that builds up inside the filter. Models PETCOCK VACUUM. Suzuki King Quad 4WD LT-FF CARBURETOR (MODEL Y Parts at Use our comprehensive OEM schematic diagrams to find the exact parts you. Maximum Working Pressure: 150psi (10. It doesn't matter which pair, but they must be matched because those cylinders fire the same. bikerpartsuperstore. Main Units - Max 15 per associate, while supplies last. Prices shown are USD. The beautiful thing is the Pingle valve is precision machined from stainless steel and the in tank filter on top of it is also made from stainless. Honda CB750 CB 750 K3 - K7 Electrical Wiring Harness Diagram Schematic 1973 to 1977 HERE. Total fuel is the same, of course. As for the petcock, looking at the diagram and your explaination, the o-ring that is part of the diaphram, I don't think that is sealing correctly. Proper installation of the Vacuum Line is important because it opens the Fuel Valve with Vacuum. the vacuum hose starts at the rear top of the carb, and has 2 functions, #1 to open the plug inside the petcock so that gas can flow to the carb bowl, and #2 to open the valve inside the EPA gold valve so that air can enter thru the 2 nipple inlets at the top of each of the cylinder jugs, that air will go thru the reed valves that are at the top of each cylinder head so that oxygen mixes with. Also, check that the petcock is screwed firmly onto the tank, I always have to snug mine up every year, it starts dripping very slowly _____ _____. Have a leak by the switch. Rebuild Petcock-diagram? 05-30-2008, 06:33 PM. The vacuum line does go from the block tap from under the #2 carb up to the petcock. The entire contents of the gas tank ended up in the engine!. Note its washer and nut system for attaching to its female joint. Cv carburetor vacuum petcock bypass. Want to find, access, and check any/all filters. A petcock is a small shut-off valve used to control the flow of liquid or gas. Re: Fuel petcock vacuum hose « Reply #6 on: August 20, 2013, 04:33:08 am » I figured it out there are two ports on the carb one on the intake side and one close to the reed cage the vacuum hose connects to the one closer to the reed cage or engine. These petcocks are great for use in custom tanks. 54 56 Varies by model CVP-NDL: JET, NEEDLE (versions for Big Twins, 883/1200, and 2004-06 1200 w/ XB heads) 1. This valve helps to relieve pressure that builds up inside the filter. is the leader in aftermarket reproduction parts for vintage motorcycles!. Find great deals on motorcycle petcocks. YFB250FW Timberwolf 4X4 94-00. In the first picture it is the hose that the number 3 seems to be resting on. - Can anyone help verify the other two carb ports: REAR CENTER BOTTOM -> fuel line from petcock. This top-grade product is expertly made in. The easiest way to get rid of it is to run a line from the gas tank to the carburetor (always put a fuel filter in that line), then pull the hose from the port and use a specially. I Just Bought An 05 DRZSM With 3900 Miles on It. In return , r iders don't need to worry about the vacuum diaph rag m going ba d and the hefty price ta g of the hard to find OEM unit. If you deleted all the emissions & air box than you should only have a vacuum hose from each carb. I am having trouble with my stock vacuum petcock valve. Shop our complete selection of Harley-Davidson Motorcycle parts and accessories including the Drag Specialties Petcock Rebuild Kit - 0705-0202. If you had a vacuum guage hooked up you would see what I am talking about. In the second picture the same hose comes up between the carburetors from below. The Vacuum Line is usually connected to the lower nipple on the Fuel Valve on most models. Does the petcock need vacuum on the vacuum line to trigger gas flow down the fuel line? Or what brings flow? 3. Honda CB750 K2 CB 750 Electrical Wiring Harness Diagram Schematic 1972 HERE. This simple procedure is a great Harley tech tip that applies to all Harley carbs from 1989 to present that use the CV style Harley Davidson carburetor. One petcock just requires a splitter and two pipes to feed the carbs. If the vacuum hose is leak free and has good connections, the petcock is faulty. The Only Way I Can Ride It Is With The Petcock In Between The Prime And The On Po. By opening up, these types of valves are designed to allow excess pressure to escape. Green hosing Goes from the inner frontal hose of the lower petcock to the T-piece between the carburetors, it's the connection between the petcock and the carburetor. We use cookies to give you the best possible experience on our website. I've got another model Kawasaki that also has a vacuum petcock and the petcock on that bike doesn't even have an off position, only run, reserve, and prime. Below is a video on how to find vacuum leaks. As a guest you can view the forum and photo galleries, but you have to register before you can post or view attachments. Commonly referred to as Fuel Valve, Petcock, Fuel Tap, Vacuum Tap Replaces 575321, 575320, 57306R, 674594. Kawasaki -amp; Yamaha applications with an asterisk * may require longer bolts. I have also read the LT 160 petcock fits and has a hose fitting that matches the 80s carb. These petcocks are vacuum operated petcocks. There is a mod to change the OEM petcock to full manual, and eliminate the vacuum function - and close off the vacuum line. ? I bought a repair kit but noticed there where a couple spring washers not sure where they exactly go one got damaged pulling out the main washer. and nothing worked. More HARD STARTING - COLD: 1. 3 Filter(s) Applied Viewing Results 1 - 38 of 126 Pingel Round Style Universal Configuration Vacuum Fuel Valve, 22mm. From petcock to carb after trying to start it. Goes from the rear, shorter hose of the lower petcock to the outer frontal hose of the lower petcock. Make usre you are getting vacuum. Jump to Latest Follow 1 - 2 of 2 Posts. thanks eric. When the engine is shut off, the fuel flow is shut off. For Carbureted Models Only. 09 53 27586-88 SPRING SEAT 1 5. 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996. If the vacuum hose is leak free and has good connections, the petcock is faulty. A petcock is a small shut-off valve used to control the flow of liquid or gas. 7 Diesel Fuel Injector Fullset. YFM250B Big Bear 250 07-09. Find diagram by part: AIR CLEANER ('77-'78 A1/A2/A2A) VIEW DIAGRAM. This hose hangs and is plugged to collect oil. Start with the carbs facing down - smaller diameter ends on the table, and choke plates facing you. Yes, the CX vacuum petcock has two nipples pointing to the right side of the bike, not down,, it sounds like your petcock may be off of another type of motorcycle. The choke utilized on a butterfly carburetor is different and therefore won’t work for this conversion. At any rate, the petcock, or "fuel petcock" is a valve on non-fuel-injected 2-stroke and 4-stroke dirt bikes that controls the flow of, you guessed it, fuel. there are 4 lines going to the shutoff. You are at _root > home page cats > Fuel Petcocks and Fuel Valves. One petcock will deliver enough fuel to the carburetors to run the 650, that one petcock would be enough to run a much larger engine. I have a 2000 Recon 250. 54 56 Varies by model CVP-NDL: JET, NEEDLE (versions for Big Twins, 883/1200, and 2004-06 1200 w/ XB heads) 1. As for the petcock, looking at the diagram and your explaination, the o-ring that is part of the diaphram, I don't think that is sealing correctly. Suzuki 20012002 Gsx-r1000 Kenz Aluminium Fuel Gas Tank With Tank Cap Uuu. Kit contains all necessary O-rings and diaphragms to rebuild one fuel petcock. 97 KiB) Viewed 19282 times auto shut-off valve marked. I don't see any vacuum line to crack case when I look through the side of the bike so it would be safe to say that the bike isn't a California model. The anatomy of a petcock problem This is a generic description of the Suzuki vacuum-operated petcock. The vacuum petcock deals with the flow of fuel from the tank. Vacuum operated fuel pump. On my 06 Patrol, the vacuum petcock failed and continually let gas into the carbs. The following diagrams detail the K, K1, & K2 engines. If you took out the vacuum shut off youll need to replace the fuel anyway. Be sure you hook up the right ones. large vacuum port on front carb boot plugged c. GAST 1023-V131Q-G608NEX Pump, Vacuum ,3/4 HP. It uses engine vacuum createdwhen the engine is running to pull back a small piston that allows the fuel to flow. Has anybody tried that one yet? Not here. The vacuum line in your diagram is tapped onto carb #3, so #2 could still open the vacuum petcock. 250 model uses a petcock with on/off valve part# 6. With those, you can test by pulling the vacuum line. It is a 1/4 id hose. This petcock is a great replacement for the vacuum type used on 1978 - 1984 XS650 and other Yamaha models that utalize vacuum type petcocks. Easy to use parts catalog. Open the petcock putting it in the reserve position (to remove all the fuel). two 1/2" exhaust ports plugged or connected d. 00 shipping, they fit right in the tubes of the petcock, but if the one for the. My petcock has an unplugged vacuum port. mechanics 14,960 views. My Virago has a vacuum operated valve and instead of off, there is a "Prime" position that draws from the reserve but does not require vacuum to flow. The Vacuum Line is usually connected to the lower nipple on the Fuel Valve on most models. Please let us know if there is anything else we can do for you by contacting us by email at [email protected] , Live Chat or by phone toll-free at 1-888-339-3888. Hold a small catch can under the vent petcock to catch spurts of coolant. YFM250B Big Bear 250 07-09. I have the diagram for the emissions routing but it doesn't. Tracking number included. These vacuum generators use a small amount of air and make an occasional soft psss sound. Plug the open vacuum leak. We all know the stock petcock stinks. If the vacuum diaphram cracks, you will also know it because the bike won't run with the vacuum diaphram remaining closed due to the leak. Converting from a vacuum operated fuel shut off (petcock) to a manual fuel shut off. The vacuum petcock rubber/diaphragm fails, which allows gas to flow from the fuel tank through the petcock, through the vacuum line into the intake manifold, then into the combustion chamber, where it seeps past the piston rings and into the bottom end. I don't see any vacuum line to crack case when I look through the side of the bike so it would be safe to say that the bike isn't a California model. 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996. Inspect the vacuum hose if the vacuum petcock fails to operate. Carb Hose Routing I had quite a hard time sorting out all the lines going in and out of the carbs, due to the previous owner basically messing with things he shouldn't have been. Vacuum Operated. It is a 1/4 id hose. thanks eric. I'm just helping and don't really want to invest in a shop manual. Product Reviews. Im working on a 2012 Tao Tao 150cc. 50 2002-2003 Freightliner Sprinter 25003500 Om612 2. No more vacuum lines are needed. method is the same. YAESU FT-1000MP S Transceiver With Microphone 10W 5F010481 Pre-owned Rare YAESU FT-1000MP FT-1000MP S YAESU Rare Transceiver Pre-owned 10W Microphone With 5F010481 5F010481 With Microphone FT-1000MP Transceiver Pre-owned S 10W YAESU Rare. It was prepared because of the trillions of threads involving the petcock that appear here, and the try-this try-that approach that some people use. Harley Davidson CV Carburetor Upgrade Harley Davidson started equipping models with the CV carburetor in 1989 and has utilized the same carb ever since. I called my local H-D dealer and asked to order it. On a ninja ex250 I recently purchased I noticed the vacuum hose which attaches to the pet cock to actuate the flow of gasoline to the carburetor was detached at the connection to the petcock. The tag under the seat reads trx250y. Open the in-hose vent petcock. It's been a rough spring with the scooter. These threads go on forever, since the problem rarely gets solved. I have a four way petcock pump here, what I'd like to know is, what the heck is the 4th line for? I have googled this a dozen times and can't get a stupid diagram of a 4 way pump with directions. Free shipping on all orders at Parts Giant. This would mean somewhere there is an open line doesn't it. Karcoma Petcock. The original configuration of the breather hose came from the bottom of the tank (other side of petcock from the overflow) to a T fitting, two hoses came off that and. The line is completely dry and it still won't turn over. The fuel line (5/16) goes from petcock to rear fitting. Apply air to the expansion tank, either by gentle use of the Makita blower or by use of a cooling system pressure tester. 2 out of 5 stars 5 $8. Its the bowl overflow line. HCP19586 Aftermarket petcock vacuum diaphram CHECK VALVE. Re: Fuel petcock vacuum hose « Reply #6 on: August 20, 2013, 04:33:08 am » I figured it out there are two ports on the carb one on the intake side and one close to the reed cage the vacuum hose connects to the one closer to the reed cage or engine. Jump to Latest If you have a vacuum-operated fuel tap then I guess it's possible to hook the fuel up to the vacuum chamber and vacuum line to the carbs. With the vacuum hose hooked from the petcock to carb #3 port, I didn’t get anything with the petcock on “on” or “prime” position. replacing petcock just remove and install a new one? Shoot, I didn't have a bike with a vacuum petcock until my 83 Interceptor! Logged Anderson, SC 2015 Suzuki DL650XT "Grey Ghost" 1969 Triumph Bonneville The manual petcock I found for the KLR650 is made for or by Yamaha, yes, it will bolt right up as far as I can see as the Kawasaki. The 93600 YELLOW JACKET BULLET vacuum pump is an affordable option for HVAC technicians who know the importance of pulling a deep vacuum. Vacuum from a cranking or running engine provides the vacuum needed for this action. Wire the coil directly to the battery using an air conditioning relay. Instead it has a vacuum operated diaphragm that opens the fuel flow via a pulse hose from the carburetor when the engine is running. However, when I did that, my bike became very starved for fuel (wouldn’t idle above 1000 rpm). Also Piaggio BV 200, Early S150, Early LXV150. Inspect the condition of the fuel and vacuum lines. Fuel line from petcock fuel port to inline fuel filter in port, inline fuel filter out port to fuel pump in port (should be the angled one), fuel pump out port to Carb rack fuel in port (centered between Carb 2 and Carb 3). Turn the pet cock off, loosen the nut holding the petcock to the tank just enough to turn the pet cock 180 degrees then tighten back up. A spring holds a plug in the fuel passage until the diaphragm attached to the plug draws it away. (6) Taiyo Giken Fuel Petcock Cut Off/Shut Off Valve Small Engine/ATV/Go Cart NEW These have a 5/16 inlet and a 3/16 outlet with a ball style valve. Fuel Vacuum Petcock For Honda Vtx1300c Vtx1300cr Vtx1300s Vtx1300t 16950-mem-674 Gas Tank - $64. Fouled spark plugs. More problems for some than they are worth. The Suzuki "on, reserve, Prime" vacuum operated petcock suck. 16956-MJ1-000 16956-MJ1-010. Maybe the previous owner had a fuel drip from the carb overnight & though he'd run this to fix it one way or other. IMHO not worth it rebuilding, also be sure to check vacuum and fuel lines for wear, holes, and cracks, if in doubt replace them. By opening up, these types of valves are designed to allow excess pressure to escape. One of the hose fittings that I'm not sure about is on the intake. Usually vacuum petcocks fail because the diaphragm gets split and/or the vacuum line to the petcock gets disconnected or splits. 2-Snorkel on air box is high enough during transport to be in airstream which causes negative pressure on air box pulling fuel up through the. A vacuum petcock does have a vacuum nipple to receive vacuum which operates the petcock. they both will pull same amount of vacuum. It only flows freely in the "prime" position. 99 You save 38% Product Details. This means that they have a little diaphragm and valve set-up in them which responds to engine vacuum and allows fuel to flow only when the engine is running and supplying vacuum. Shop online for OEM FUEL TANK parts that fit your 1998 Honda CBR900RR A, search all our OEM Parts or call at 800. You might need to find a diagram for the 800 tank to see what the nipples are for. The original configuration of the breather hose came from the bottom of the tank (other side of petcock from the overflow) to a T fitting, two hoses came off that and. It's not pictured. 98 Set Of 2 Fuel Petcocks For Yamaha Xs750 Xs850 Xs1100 - Non-vacuum - Left. It's worth a look - it's cheap (free) and easy to check these things. STKUSA 3CFM Single-Stage Vacuum Pump 1/4HP R410a R134a. Is it really. All the rest of the lines are hooked up exactly like your diagram shows they should be, the carb, petcock, y intake, coils, plugs, rectifier, choke cable, and brainbox are all brand new. When the engine is running, a 'vacuum' exists in the intake manifold (which is what sucks the air into the engine) and this vacuum is also used to open the petcock. these vacuum petcocks are just a lazy man petcock,when cranking engine or running vacuum pulls the diafram open letting gas through,then its gravity feeds,shut engine off shuts gas off. Have Ridden Dirtbikes For Years Though. If you have questions, we have the answers. Then disconnect the vacuum line from the petcock. The right and safe solution is to rebuild the original petcock, I got the rebuild kit from my local Kawasaki dealer for $26. Sitting on the bike, with stock tank, the left carb vacuum hose will go to the petcock. Shop our complete selection of Harley-Davidson Motorcycle parts and accessories including the Drag Specialties Petcock Rebuild Kit - 0705-0202. Product Videos. Now I'm a bit scared - the owner's manual says that it's OK to leave it open, however I see many petcock issues over the internet; looks like vacuum petcocks are prone to fail, fuel can leak into the carburetors, flooding the engine - so I'd like to get some general advice. This vacuum works on a diaphragm (located in the back of the petcock) to allow gas to flow. The yellow hose is connected by a tee to both carbs. His bike then started. Rebuilds one petcock, picture shows contents. My petcock has an unplugged vacuum port. Servicing the Petcock on your Valkyrie: The Petcock is quite simple in its construction and operation. I have read a Banshee Petcock will replace the 80s vacuum operated mess. The original configuration of the breather hose came from the bottom of the tank (other side of petcock from the overflow) to a T fitting, two hoses came off that and. two 1/2" exhaust ports plugged or connected d. It is like #1 in the link of tmy original post. Javascript is disabled on your browser. I live in UK and the new top end arrived today from Kansas. [16950-898-633] for your Honda Lawn Equipment - We have the parts and diagrams to make your repairs easy. Reset Zoom In Zoom Out. GY6 50cc-150cc Fuel Pump Petcock Valve Vacuum Switch for ATV Scooter Roketa Sunl Taotao Quad Moped Bike 50 70 90 110 125 150CC 100% NEW by I-Joy 4. The petcock on your air compressor is also known as a drain valve. If you don't know where the petcock is, follow the fuel line from the rear/left side of your carb. The Ninja 250 uses a gravity fuel feed by locating the fuel tank higher than the carburetor. Karcoma Petcock Right Side Airheads 1970- Bmw R100 R90 R80 R75 R60 R50 Carb Bing For Sale Online. Not on "On", "Reserve", or "Off. vacuum petcock. A radiator drain petcock valve, or shut-off valve, allows the radiator to be drained without removing it from the vehicle. :D ;) It was having trouble starting, so I pulled some of it apart to see what I had to start with. Replace or rebuild the valve as required. YFM250X Beartracker 99-04, YFM250B Bruin 250 05-06. At a normal pressure level the valve should close again. Line from #4 cylinder sync port to petcock vacuum port, plus the other 3 sync port holes. The stock LT80 petcock is a bit of a mystery to many owners. Thanks 82CB650SC, where is the vacuum port on the carburetor, and how would I plug it? And when you say run a new line from the petcock to the carb, I've heard the pieces in the pic I posted called the petcock, but also the vacuum diaphragm, so just figuring out if I still need to assemble it. We Pass more Gas! Pingel Enterprise has long been known for our fuel valves, also known as petcocks. These vacuum generators use a small amount of air and make an occasional soft psss sound. Petcock can be set up for dual outlets-run a separate fuel line to each carb. Engine flooded as a result of overuse of the enricher. Goes from the rear, shorter hose of the lower petcock to the outer frontal hose of the lower petcock. A friend picked it up very cheap and every vac tube was disconnected. I was a dummy and took my old carb off thinking I was going to immediately put it back. fuel lines and vacuum lines on a 1989 kawasaki zx750f3. I had to go to the house of the other to find his hose was gone! I told him take his over flow line off his carb, put it on his petcock and suck. A vacuum leak will destruct an engine. The fuel lines go between carbs (stock hitachi) into brass T connections (carb-T-carb-T-carb). The Only Way I Can Ride It Is With The Petcock In Between The Prime And The On Po. But really, any carb vacuum port would work. Top quality petcock allows convenient control of fuel flow. When purchased the bike started up instantly without choke and drove great at highway speeds for about an hour and shifted fine through all the gears. They come complete with the O-Ring seal, have ON-OFF-RES positions. Shop online for OEM FUEL TANK parts that fit your 2004 Honda VT750C A, search all our OEM Parts or call at 800-964-1882. Part Diagrams. These petcocks are great for use in custom tanks. You should have one vacuum line going from the fuel petcock usually to the intake manifold. If your petcock says "On/Off/Reserve", no vacuum connection is required. You can also find other images like wiring diagram, parts diagram, replacement parts, electrical diagram, repair manuals, engine diagram, engine scheme, wiring harness, fuse box, vacuum diagram, timing belt, timing chain, brakes diagram, transmission diagram, and engine problems. nihao For 1987 - 2006 Suzuki LT 80 LT80 Fuel Gas Petcock Valve Switch Pump ATV Quad Review. From reading posts about similar model year VT700's, I am pretty sure I now know the answer to my question is that the hose I am referring to vents to the atmosphereand that the vacuum hose from the petcock to the engine is the only vacuum hose. You can replace a vacuum petcock with a manual one on a scooter. There are numerous types for most any purpose. 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996. If the original dual. For the life of me I cannot figure out where the extra vacuum line attaches to. com was only $17. New Chrome petcock. Drop us a line or give us a call and let our expert customer service team help you find exactly what you're looking for, every time. If that port is not capped off then yes there will be a huge vacuum leak to whatever cylinder is not capped off tight. Petcock Rebuild Kit. The stock LT80 petcock is a bit of a mystery to many owners. It should be to short if I remember right. The petcocks are 1/4" National Pipe Thread. An excessively rich mixture will result in poor fuel economy, poor idle, weak. Your petcock operates on a gravity system controlled by valves. I have the diagram for the emissions routing but it doesn't. The petcocks are vacuum operated petcocks. 2 out of 5 stars 5 $8. You can replace with any non vacuum petcock but it should be turned off every time you shut the bike off to prevent fuel over flow at the carb. Shop online for OEM FUEL TANK ('99-'00) parts that fit your 2000 Honda CBR600F4 A, search all our OEM Parts or call at (231)737-4542. 00 shipping, they fit right in the tubes of the petcock, but if the one for the. The Bike Runs Out Of Gas With The Petcock In The On Position. It was prepared because of the trillions of threads involving the petcock that appear here, and the try-this try-that approach that some people use. Kawasaki -amp; Yamaha applications with an asterisk * may require longer bolts. There are a number of different petcock sizes available. Make usre you are getting vacuum. The Only Way I Can Ride It Is With The Petcock In Between The Prime And The On Po. Product - GAST 1023-V131Q-G608NEX Pump,Vacuum,3/4 HP. Tracking number included. It has ON/OFF/Reserve settings. We've designed this easy bolt on kit to eliminate the vacuum portion of the valve so it operates as any other standard fuel valve and eliminates the associated problems with vacuum fuel valves. Post Nov 29, 2017 #1 2017-11-29T17:18. No more vacuum lines are needed. Besides the main fuel line out of the petcock There is are three valves to link up. The above items are straight bolt-on items with the following modification (the reason for purging the tank) - you must enlarge the oval-shaped opening where the old petcock standpipes / screen insert. Vacumm operated petcock and vent hose configuration the past but I wanted to know if someone with a 2003 Suzuki knows off hand the vent configuration from the carb to the petcock and to the breather valve in the gas tank. Have Ridden Dirtbikes For Years Though. Javascript is disabled on your browser. Carb Cleaners and Fuel Additives: What Works? - Duration: 22:54. Free shipping on Vacuum Petcock. We are also a prime source for vintage Yamaha carburetor replacement parts. Compared to the progressive control of a gate valve a ball valve style petcock's is coarse, confining their use principally to on-off applications. I have a 1981 XS400 special. The way a vacuum petcock works is the vacuum pulls the diaphragm back, compressing a spring and releasing pressure on a ball or some other sort of valve, this allows fuel to flow around the ball and to the carb. The Suzuki "on, reserve, Prime" vacuum operated petcock suck. They come complete with the O-Ring seal, have ON-OFF-RES positions. Or had a chicken farm. We are your #1 source for Kawasaki & Suzuki Vintage Motorcycle Parts. Questions & Answers (14) Direct OE replacement fuel valves (petcocks). Thanks 82CB650SC, where is the vacuum port on the carburetor, and how would I plug it? And when you say run a new line from the petcock to the carb, I've heard the pieces in the pic I posted called the petcock, but also the vacuum diaphragm, so just figuring out if I still need to assemble it. The vacuum hose runs from the back of the frame-mounted petcock to the inside of the left carburetor. When a spree has been stored for a long period the vacuum shutoff valve (or petcock) often sticks shut and will not allow fuel to flow even under vacuum. YFM350FW Big Bear 4X4 98-99. I Just Bought An 05 DRZSM With 3900 Miles on It. The Vacuum Line is usually connected to the lower nipple on the Fuel Valve on most models. Float level wrong. Vacuum petcock works, A. I searched around to get another price and opinion. to the right side vacuum hose fitting on the intake. You're correct on the vacuum function of the petcock. A straight bore plastic stopcock without the female joint. Run a single, long hose from the left fitting on the intake all the way up to the petcock. I have also read the LT 160 petcock fits and has a hose fitting that matches the 80s carb. , it'll go to the petcock. Everyone I know that had a Vacuum petcock fail just got rid of it. This setup allows more fuel before reserve due to tube height, but less fuel available after reserve is reached. In the second picture the same hose comes up between the carburetors from below.