What to do if McCulloch Lawn Mower has loss of power?
- SSteven CaseyNov 24, 2025
If your McCulloch Lawn Mower is losing power, it could be due to several factors: cutting too much grass or moving too fast; a buildup of grass, leaves, and trash under the mower; a dirty air filter; low or dirty oil; a faulty spark plug; stale or dirty fuel; water in the fuel; a loose spark plug wire; dirty engine air screen or fins; a dirty or clogged muffler; loose or damaged wiring; or engine valves out of adjustment. Try the following: raise the cutting height or reduce speed; clean the underside of the mower housing; clean or replace the air filter; check and change the oil; clean, regap, or change the spark plug; empty and refill the fuel tank with fresh gasoline; connect and tighten the spark plug wire; clean the engine air screen and fins; clean or replace the muffler; and check a...







