2001 Yamaha Warrior - Compression Trouble

[scottweiser38]

Have a 01 worrior have no compression on head but sucking on the tail pipe. Pulled inspection plate and valve and cam are moving ok. Any ideas ? Thanks

[jeeptuff]

Sucking on tailpipe? Broken ring(s) or piston? What does it sound like when turning it over?

[scottweiser38]

Just spins, if so do I need to sleeve it or can I hone if little damage ?

[scottweiser38]

No clatter all smooth

[justme21]

No clatter all smooth

if its sucking air through your tail pipe i would check and see if when u try and start the bike if the carb pushes gas into the breather then you know their is either a whole in your piston, rings are shot, or your intake valve is stuck open and the head is pushing air instead of sucking from the carb and out the tail pipe. compression problems could be as simple as no plug in the bike bad piston bad rings anything of that nature check your carb and see if its pushes gas into your breather when you try and start it then let me know what happens.