Author Topic: Who makes good cylinder, piston rings, for 372 and 390xp's?  (Read 2344 times)

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Offline KilliansRedLeo

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Tim and 660,  question for you both.  Are either of you using a base gasket or copper shim?   And what is the squish on your saws? 

Also, I did not try to start it yesterday, wanted the gasket in a tube to set up before fuel gets at it.
Al, I am running no gasket, (Yamabond4) and been a while since I built that saw but my notes say that the target was .020 and I settled on .023 and 198PSI. I am going to build up another one for a customer after the holidays, I let you know the numbers on that saw also.
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