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Old March 4th, 2013, 07:37 AM   #10
Motofool
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Name: Hernan
Location: Florida
Join Date: Mar 2011

Motorcycle(s): 2007 Ninja 250

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Quote:
Originally Posted by cuong-nutz View Post
.........I didn't measure the float heights when I cleaned the carbs but the valves seemed to function normal. They were not sticking.
You could have altered the heights by pressing on the floats; I would check it.

Quote:
Originally Posted by bruce71198 View Post
Ok, ruled that out. Now you need to find out how the extra fuel is making its way to the crank case.......
If the rings are not working properly, compression should be low and enough raw mix should leak down into the crankcase during each compression stroke.

A compression and leak test would be advisable as well.
If positive results for leaking rings, then follow post #3.
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