Cr80 help

[#ShowOff]

My cr80/85 is not hitting power band any suggestions?

 

[Rich Rohrich]

You'll need to provide a lot more information than that if you hope to get anyone to help.

 

[#ShowOff]

I replaced the piston,reeds the bike sputter and will not hit the powerband until it gets into 4 gear I have no clue what could be wrong with it at this point my bike is a 1998 cr80 top end off of a 03 cr85

 

[jake.adams]

hi i have recently bought a cr 80 barrel that has been bored to 52mm but has no sleeve is it ok to use i have heard of people boring them to more but i'm not sure it has been glaze busted but i just wounded if anyone can help me much appreciated