Is it bad for the engine?
Is it bad for the engine?
If your running lean and it's backfiring its not good for it, but if it's running right engines dont normally backfire.
04' YFZ 450
06' LTR 450
03' Z400
01' 406EX- R.I.P
97' MXZ 583
02' mxzx 600
District 34, #450
Aim: Hippiekicker 250