how much compression (P.S.I.) should there be in a 380cc snowmobile engine???

[william w]

i got 100 p.s.i. on both sides is that good or bad?

[talon699]

380 means nothing without relating it to a specific motor/ model /yr . And you failed to specify wht the problem was. Blow the $20 and just buy a manual. chances are if you don`t know simple things , the manual may help you with other problems. Happy sledding