Originally Posted by havv
ive also read a lot in the forums that it could be the dissy???
The dizzy could make it backfire if it's on it way out
it aint got a cable tie round it by any chance has it??
or as said if the timing is out that will do it too or if the spark plug gaps are wrong
Originally Posted by havv
if the bottom end was out, would the engine even run?
It will still start and drive if the bottom end is gone but it will knock it's nuts off
Is the noise coming from the bottom of the engine or the top(if you can tell)