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Posted

Hey everyone i am wandering to tell how the ring's are no good. Or how to tell if there wearing. And i got like little gashes in the top of my piston. That cant be good. Ill have it fixed at a yammy dealer though. thank's

Posted

A compression test is a good way to judge how good your top end is doing. Just get a good tester and test both cylinders... they should be within 10% of eachother.

Posted

A compression tester as stated will tell you the general health of the top end.

 

Gashes in the top of your piston could mean a few things, poor fuel quality, too much timing, piston worn out and starting to come apart.

 

Air leak, lean jetting, dirt in the motor....

 

Hopefully...you dealer won't just throw a top end on and call it a day, hopefully they find the reason for the gashes...

Posted

Why are you taking it to a stealership pull the cylinders and change them yourself

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