2004 Yamaha YZ 450 F "yz450f backfiring" Questions

yz450f... while riding last week it was backfiring on deceleration. it blew a 5 inch hole in the header pipe. i purchased a new one, cleaned the air filter, changed the oil and put a new spark plug in

my o4 yz450f backfires alot how do i get rid of it Also, it will pop on decelleration if it is too lean if fuel & timing are ok it will be the diaghram in the carby pulsating too much & or its

I was riding my 03 yz450f and it back fired and just died. then i tried to start it had a hard kick and had to use hotstart to start it once started ran 2 seconds and backfried and died. then tried ...

I have an 04 yz450f and have a pretty bad backfire. it is mainly when I let of the throttle. I have rebuilt the top end and cleaned my carb. I have owned the bike since it was new and always lived at ...

hi, i just got a 2003 yz450f and theres a black "trigger" right next to the clutch on the handle bars. Is it the choke? because i've held it down and tried to start the bike but it ...