Question about 2005 kawasaki VN 800 Vulcan Classic

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I have a kawasaki 800 vulcan every time i start it it runs for 30 seconds and then starts pouring out gas through the air cleaner do you have any ideas as to whats wrong ?

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Could be a sticky needle and seat, or float level. First try tapping on the carby bottoms with a screwdriver handle, sometimes this can dislodge a partical of dirt causing the problem. If not, then the carby will have to be removed and taken apart. This is a common problem if your bike has been in storage over winter.

Posted on Apr 27, 2010

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2003 Kawasaki Vulcan 800 classic has a fuel leak from the carburetor


Hi, Carlos and the usual suspects are:
1. Damaged or restricted fuel tank venting system.
2. Loose float bowl screws.
3. Damaged float bowl o-ring.
4. improper fuel level in the float bowl.
5. Worn or dirty inlet valve or seat.
6. Damaged or leaking float assembly.
7. Particle contamination in inlet fitting cavity.
8. Damaged petcock diaphragm allowing fuel to flow through the vacuum line into the combustion chamber.
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For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
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Jun 12, 2017 | 2003 kawasaki VN 800 Vulcan Classic

1 Answer

Earlier today I tried to start my 800 vulcan classic but the bike would idle really rough then die so I put it back in the garage and decided to deal with it later. Just went back to the garage and there...


Has the bike been sitting??? If the carbs are gummed up from sitting and the float and or float needle get stuck in the "add fuel" position it could cause this

Feb 21, 2010 | 2000 kawasaki VN 800 Vulcan Classic

1 Answer

After starting the 04 vulcan 800 i push in the choke and it dies. Is this a carb/plug problem or something else?


The machine is doing the right thing by dying. The role of the choke is to block the air intake and allow more gas to go into the carb. It is meant for starting a cold engine. If you apply choke to a running engine, it will flood the carb and cylinder and not allow it to ignite. The spark is enough to ignite a mixture os gas and air and not gas alone. Hence the engine dies. So give choke only when starting under cold/freezing conditions.
There is nothing wrong with your bike.

Feb 09, 2010 | 2004 kawasaki VN 800 Vulcan Classic

1 Answer

I have a 95 Kawasaki Vulcan 800. Here lately I just can't get it to act right. I keep having a problem with lots of raw gas pouring out of the exhaust pipes. I have had the carb professionally cleaned...


Sounds like the carb has not been cleaned properly, gas overflow like that could be caused from a worn seat/needle. Did you put after market exhaust on it?

Oct 22, 2009 | 1997 kawasaki VN 800 A Vulcan

2 Answers

What knock index to use kawasaki vulcan 800 classic


todays bikes run perfect on Regular, which can be from 87 to 90 in some cases. you would not damage the bike by using pump gas like super or premium but anything higher may cause problems. but there is no advantage to using premium

Aug 02, 2009 | 1996 kawasaki VN 800 Vulcan Classic

1 Answer

96 Vulcan 800 misfiring around 30 mph


sounds like a dirty carb or faulty spark plugs, run some sea foam cleaner, I done it before helped my bike specially after a long winter sitting, PLEASE LOOK AT THE LABEL AN FOLLOW THE INSTRUCTIONS ON THE CAN...you may find seafoam cleaner at a speedway gas station or autoparts.

May 26, 2009 | 1996 kawasaki EN 500 Vulcan Classic

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Carburator problem


yes or needle&seat replacement for the float

Apr 17, 2009 | 2001 kawasaki VN 800 A Vulcan

1 Answer

1995 vulcan 800 gas comin out carb intake


This sounds like a carb float being stuck open. Turn off the gas and drain the offending carb. Next, turn the gas back on and sharply tap the float bowl with the plastic handle of a screwdriver as the fuel bowl refills. The goal here is to vibrate the float to free it up. If doing this process a couple of times does not free the float I would remove the carb and clean it with a spray carb cleaner. Pay special attention to the float needle. Clean the air filter then re-mount carb. Next Remove the water trap bowl at the bottom of the petcock, (gas valve). Dump it, clean it and re-mount it, ( not all bikes have a water trap bowl ). Now would be a good time to install an in-line fuel filter if you don't already have one.

Install new stock spark plugs AFTER you make sure that the bad cylinder is getting spark. Be sure to balance and sync the carbs when finished.

Please rate this solution as " FixYa " if all goes well. Thanks

Mar 27, 2009 | 1995 kawasaki VN 800 A Vulcan

1 Answer

Just went to start after winter blowing gas out the air cleaner.


sounds like the needle and seat is not sealing.It is a common problem when bics are stored over winter.Either remove carb and clean nedle and seat or replace to be sure.

Mar 15, 2009 | 2000 kawasaki VN 1500 Vulcan Classic...

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