Question about 2003 Yamaha YZ 250 F

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Oil not returning to oil tank the crankcase just filled up with oil

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  • bczerkie May 11, 2010

    John sorry nobody has helped you yet.

    I am not familiar with your bike, but maybe some clarification will help others.

    1. 2 or 4 stroke?

    2. Reason I ask is,, oil tank sounds like maybe 2 stroke

    3. if 2 stroke, you should only put 2 stoke mix oil in the oil injection tank that will later mix with the gas to provide mixed gas. and it will not EVER return to the tank,

    4. Are you saying the MOTOR Oil in the motor is overFull,

    OR are you saying that the actual Crankcase area (which on a 2 stroke should not have anything in it except for a trace of mixed gas) Is full of 2 stroke oil, or gas.

    Sorry to be so basic. but gotta start somewhere.

    Bill













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Hi mate change the oil filter also check the oil pump is working

Posted on Jul 08, 2009

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