why does toro lawnmower engine make popping noise?
hopaloong asked:
Recently replaced flywheel key and spark plug on 6.5 hp the engine starts and runs fine except for it sounds like it has a misfire and makes a popping noise I didn’t gap the spark plug cause don’t know what it should be any suggestions?
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Recently replaced flywheel key and spark plug on 6.5 hp the engine starts and runs fine except for it sounds like it has a misfire and makes a popping noise I didn’t gap the spark plug cause don’t know what it should be any suggestions?
August 25th, 2009 at 9:17 pm
Yes, gap the plug. On a 6.5 hp the gap is probably around.018? Try google and look for 6.5 hp toro lawn mowers. Its probably a briggs and straton motor so try that also. Remember to look for specs. when searching.
August 29th, 2009 at 1:09 am
bad plug gap won’t make it pop that ive seen though it will misfire. its likely a lean mixture from the carb jet being plugged or something. it can actually run smooth with a sheared flywheel key on a leaner mixture and then once you fix the ign timing it can surge or pop. clean out the carb/fuel tank/line and try again. and gap the plug .030 inches about. +/- .005 is fine too. you might as well gap the plug first though since thats easy. make sure you have fresh gas.