Some gas cloud expelled back towards airbox - Ex-500.com - The home of the Kawasaki EX500 / Ninja 500R
 
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post #1 of 4 (permalink) Old 6-16-2019, 4:29 AM Thread Starter
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Some gas cloud expelled back towards airbox

Hello all,

Something that puzzles me is when I give a good gas on the EX500 my left carb splits back towards the airbox a light cloud of fuel/air mix.

It only happens on the left carb.

Any idea what this can be?

PS: I am still due to do a sync of carbs (if it is related to the issue in any shape of form IDK)

G
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post #2 of 4 (permalink) Old 6-16-2019, 8:57 AM
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I'd suggest to wet test off the bike, I think you may find a high fuel level that needs correction in that carb. But needs verification.

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post #3 of 4 (permalink) Old 6-16-2019, 9:15 AM
fog
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check your valves then do a compression test, odds are you left intake valve has a problem.
Little back spitting in normal due to the cam overlap. but it should be even on both carbs ,and never enough to not get sucked right in

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Last edited by fog; 6-16-2019 at 9:17 AM.
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post #4 of 4 (permalink) Old 6-16-2019, 10:31 AM
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well the last 2 posts'll keep you busy for awhile at least

“Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba....” quote Hunter S Thompson

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