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smoke coming out of carb after engine turned off...

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smoke coming out of carb after engine turned off... Empty smoke coming out of carb after engine turned off...

Post  speedracer April 4th 2010, 5:55 pm

i have a 521 race motor. when i shut the engine off after its been running, i notice some light smoke coming out of the carb? it runs and idles great. what could cause this to happen? need your opinion guys..... THANKS

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Post  dfree383 April 4th 2010, 5:57 pm

Should just be fuel evaporating
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Post  chuck stevens April 4th 2010, 10:46 pm

Possibly float level to high.

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Post  bruno April 5th 2010, 7:28 am

condensation ???? what kind of fuel are you using ?

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Post  billandlori April 5th 2010, 1:40 pm

dfree383 wrote:Should just be fuel evaporating

X2, mine does that too. My floats are right on, pump gas.

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Post  rmcomprandy April 5th 2010, 2:32 pm

Fuel perculating in the carb, (or outright leaking from somewhere), and entering the intake manifold where you see the vapor escaping from that happening.

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Post  The Mad Porter April 5th 2010, 11:53 pm

rmcomprandy wrote:Fuel perculating in the carb, (or outright leaking from somewhere), and entering the intake manifold where you see the vapor escaping from that happening.

X2




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