I have a craftsman riding lawn mower and the engine runs rough - cutting in and out. The engine also backfires while driving. To date I've changed the fuel filter and spark plug. Any ideas? Thanks,

I have a Briggs & Stratton Twin cylinder 16 hp engine used by a Simplicity lawn tractor. So far, I have installed a new battery, new spark (and gaped) plugs, new air filter, new fuel filter, and changed the oil and filter. The flywheel has been removed and the keyway has been inspected. It is...

Have a 10 year old 20 hp I c twin started last year but doesn't start this year. Cranks over but sputters to get gas, check fuel line to carb, getiing gas to intake, tries to start blows blue smokes out exaust and backfires and stops trying to start. Replaced spark plugs still not starting,cloged...

Hello,I have a briggs intek 13.5hp ohv single cylinder engine I just rebuilt.when I go to start it up I have to choke it to get it to start.while its running it back fires through the exhaust and carb.Also the govener hunts.If I choke it half way it will idle high and run without backfire or...

Took my Murray 42" select out of mothballs from winter storage. Replace the battery, checked and cleaned fuel line, checked float valve and needle, cleaned the fuel bowl, filled tank with new gas. Started first crank, but after a few seconds it began to backfire (shot flames) and continued until I...