Re: backfire - HELP!
Steve S in post #6, thank you the brilliant simple logical explanation of b/fire through exhaust system...I would add for backfiring through the carb to check ign timing, valve timing and valve sealing. If backfire through carb primarily when powering up a hill or accelerating it may be fuel starvation; check fuel level in carb and fuel flow to carb.
Last edited by johnbuckley; 08-13-2017 at 04:25 AM.
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