Extremely frustrating and confusing

Yamaha Raptor 350 & Warrior Forum

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Np57

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Hello all. I rebuild the top end of my warrior. Brand new cylinder jug along with brand new cylinder head. I started it and it runs good. But here's the catch.. It leaks oil out of the cylinder jug gasget. The gasget that sits on the bottom end. I made sure all of my bolts are tight but it appears that it is seeping out. The gasket was brand new and un damaged. Does anyone know what's wrong?
 
Did you put the O-Rings between the cylinder and the case?
 
I'm not sure I'll have to check. It was a good aftermarket one I'm pretty sure
 
Shot that might be it! I don't thing I did.. I didn't even know a no ring went there... Lol... Dumb mistake.... So what exactly goes there?
 
So there's a o ring that goes between the cylinder and the case?
 
Last edited:
Yes there`s an O-Ring that goes around the big alignment pin with the oil passage.
 
Big alignment pin.... The outter sleeve do you mean?
 
That`s what I like about this forum everybody helps everybody.
 
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