oil in air box??? why
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oil in air box??? why
Perhaps your rings are bad? That allows compression to get past the piston and into the crankcase. From there, the only place it has to go is out the breather hose. In the process, it takes some crankcase oil with it....
It is puzzling however, because the crankcase breather on the 400EX is after the airbox. The only place for oil to come from is from the breather, and it should get sucked up into the carb and not back into the airbox.
Check your breather. It has a white plastic reservoir on the end. Is it loaded with oil????
It is puzzling however, because the crankcase breather on the 400EX is after the airbox. The only place for oil to come from is from the breather, and it should get sucked up into the carb and not back into the airbox.
Check your breather. It has a white plastic reservoir on the end. Is it loaded with oil????
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oil in air box??? why
Maybe just drain down off your oil filter?????
http://forums.atvconnection.co...tid/21/threadid/556480
http://forums.atvconnection.co...tid/21/threadid/556480