compression test ned help asap

[86250rbanshee]

Just got a lt400 in the shop to work on won't start what shoud the compression be at i'm only getting aroun 60-80 after a couple cranks. I'm thinking not even close to being enough.

[drzoo2]

142psi


http://home.stny.rr.com/wscomputers/ATV/compress.jpg

[Defiant1585]

hey while were on the subject of specs what is the valve clearences suposed to be 10-20 on intake and 20 - 30 exaust?

[drzoo2]

http://home.stny.rr.com/wscomputers/Post/valve.jpg

[86250rbanshee]

Anyone got any suggestions, took it all apart timing its dead on cams look good, piston looks good although fairly dark on top not bad, and cylinder looked good anyone got any idea why this stupid thing has little compression and won't start.

[Defiant1585]

bad head gasket bad rings probably