GREASER
XS1B CHOPPER
ok back again with more problems when bike is on idle it sounds like the left side is not fireing correctly and throws out warm air and un burned fuel and right side is hot sounds good when i rev it it works but kind of back fires not loud but out seqence and also this is the part that really caught my attention the breather on top of the motor was thowing out hot air and not to sure but had a smell of gas to it i was thinking it was a piston ring but hoping for more opinions bike is a 1971 xs1b