400EX oil problem, need input

[paganmac_10]

Hey guys here's my problem.... my crankcase keeps filling with oil. My oil lines are on right and there's no blockage... what would cause this??? Bad oil punp???? Anybody ever run into this???

[NMills]

Is your engine worn out?? do you need seal work done???? you didn't put your oil filter on backwards did you?...

n mills thats some great infow i never thought of the seals.

[paganmac_10]

Originally posted by NMills
Is your engine worn out?? do you need seal work done???? you didn't put your oil filter on backwards did you?...

Pretty sure its good, brand new top end, just pulled the pump apart and it looks good... could it be the 3 lil o rings on the pump u think????

[paganmac_10]

Fixed it guys, the 3 lil o rings between the case and pump were bad, replaced em, pumps like a mother now...