Engine knock is the sharp, metallic sound that cuts through the hum of a healthy engine. At its core, engine knock is a problem of timing. In a knocking engine, parts of the air-fuel mixture don't ...

I’ve restored dozens of gas engine lawn mowers, and it’s been my experience that people put them out in the trash while the machines have plenty of life left in them. The average mower sitting ...

If you've performed all the necessary steps to maintain your lawnmower, there's a good chance the engine will outlast the rest of the mower. However, like all things mechanical, there is the ...

Posture Check: Air Up the Tires — Low tire pressure tilts the mower causing an uneven cut and increased resistance, forcing the engine to work harder. Properly inflated tires keep the mower level for ...

Add Yahoo as a preferred source to see more of our stories on Google. Engine knock is the sharp, metallic sound that cuts through the hum of a healthy engine. At its core, engine knock is a problem of ...