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Kawasaki w650 carb flooding into air filter - Motorcycles

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Sticking float valve in carb...

Posted on Nov 28, 2012


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Posted on Jan 02, 2017

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SOURCE: can i change my front sprocket on my kawasaki w650

you need to change the rear also the chain teeth are for a 15 tooth so get ready to change your chain also

Posted on Aug 04, 2009

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SOURCE: sounds like my kawasaki w650 is pinking, and I

needs higher octain fuel.

Posted on Sep 29, 2009

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SOURCE: kawasaki KVF 300 carb setting

If spark plug is wet with petrol then float level is incorrect either by dirt under float needle or set too high.

If you havent altered / removed the carb and it has just happened, somtimes gently tapping the float bowl can dislodge the dirt. Otherwise you will need to remove carby, (I assume it has one) and clean out.

Posted on Dec 20, 2009

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SOURCE: Production dates for Kawasaki EJ650A Models

Try this site ...

Posted on Jun 06, 2010

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SOURCE: backfire won't crank

I had the same problem and a friend of mine told me to check the valve clearance.... rocker cover off and slide a feeler gauge under the cam lobes (when the lobe is pointed directly upwards) you should be able to easily slide a .08mm gauge in and have trouble with a .13mm but should still go in (just) if this isnt so then you need to undo the nut on the rocker and adjust the clearance using a screwdriver on the thread. This worked for mine. Hope it helps. IAN

Posted on Nov 10, 2010

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I have a 99 Kawasaki Vulcan classic one car bike why would the bike flood the back spark plugs and put gas in my air filter been trying to figure it out but I need help

Hi, Brandon my guess is you have a faulty spark plug or spark plug wire/cable or ignition coil or wiring to the coil is corrupt, check the ohm reading on your plug wires/cables for more information about your question and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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Apr 29, 2016 | kawasaki Motorcycles

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I have a 99 kawasaki Vulcan 1500 classic when I try to start it it will idle for a few until it floods the back plugs and it spits gas in air filter can some one tell me how to fix my problem

Hi, Brandon and the usual suspects are:
1. Dirt or other foreign matter between float valve and its seat.
2. Float valve sticking.
3. Float valve and/or valve seat worn or damaged.
4. Float misadjusted.
5. Float cracked, leaky or damaged.
6. Excessive "PUMPING" of hand throttle grip.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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Apr 27, 2016 | kawasaki Motorcycles

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I had the oil changed and a new air filter put on my 2000 Kawasaki Vulcan 800 Classic. I rode all day with no problems. The next day, the bike began flooding itself. It goes dead at idle and when the...

Yes, its the needle and seat (in the bottom of the carbs) that controls the flow of gas into the carburetor, when they get ANY dirt (of any kind) between the needle and the seat..this does not allow the flow to shut off completely. This fills the float bowl until it over flows out the needle jet/pilot jet and it runs into the cylinders and back into the air box/air filter.
Your fuel system needs cleaning (NOT WITH ANY ADDITIVE) - actual disassembly and cleaning..INCLUDING the carburetors and add a fuel filter to the fuel line between the tank and the carbs..

Aug 22, 2017 | 2000 kawasaki VN 800 Vulcan Classic

1 Answer

Had a flat battery, tried to push start for a while but did not start.replaced battery, now fuel seems to leak from air filter body when try to start, still no go. is this flooded and how to unflood?

definately flooded
not sure of your model but if it has a vacumn fuel tap there is no OFF position
you need to drain the carb bowls with the small drain screws at the bottom, and make certain the air filter element is not full of fuel, and check the oil is not overfull due to fuel contamination.then try and start with full throttle. Do not run the bike with fuel tap in PRI position or it may flood again

If it has an off position on fuel tap
check air filter
check oil
turn fuel off
start with full throttle
turn fuel on

Apr 07, 2011 | kawasaki ZZR 250 Motorcycles

1 Answer

Carburettors seem to be running too rich. Can't locate air mixture adjusters, if that's the problem.

The air mixture settings dont often change by themselves, its usually a small screw under the carb, and is sometimes blanked over with a alum plug .
as the air filter gets old it can richen the mixture even if the filter looks ok and clean.
the carbs float bowls can flood due to dirt or corrosion as will require a carb overhaul.
If the air filter or exhaust has been changed from standard, this can mean rejetting, the air screws have their main effect at idle

Apr 05, 2011 | kawasaki GTR 1000 Motorcycles

1 Answer

Bought 2004 Kawasaki klx 125 and takes 20-30 kicks to start with choke on and even more when cold. Won't run right until motor warms up n takes a while for it to warm up. Runs fine after it does but it's...

Be certain the battery is in good condition. Install a new spark plug. Clean the carb and air filter. Use the throttle sparingly. The carb has a power valve that gives an extra shot of gas each time the throttle is twisted. Too many twists and the engine floods out. Please rate my answer. Thanks!

Mar 25, 2011 | 2004 kawasaki KLX 125

1 Answer


check that the carb is clean and check that the float height is set to factory spec

Jun 06, 2009 | 1997 kawasaki VN 800 Vulcan Classic

1 Answer

Will start but then stalls and then gas pours out the air filter

float needle probly has some foreing piece of something stuck in it ,, allowing too much fuel in the carb,which floods out the engine

Apr 13, 2009 | kawasaki EN 500 Vulcan Motorcycles

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