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PROBLEM POSSIBLE FAULT REMEDY
Engine will not turn over Engine stop lever released. Operate engine stop lever.
Incorrect oil level. Check oil level.
Obstruction under deck. Remove obstruction.
Battery discharged (412 Only) Charge battery
Engine smokes Excess oil level. Check oil level.
Air cleaner cartridge oil Service air cleaner.
soaked or blocked.
Engine runs then stops Fuel starvation. Fill fuel tank.
Fuel cap vent blocked. Clean fuel cap vent.
Engine will not start Engine under load. Raise height of cut.
Fuel starvation. Fill fuel tank.
Engine cold. Set throttle to ‘choke’ position.
Incorrect/contaminated fuel. Drain fuel tank and fill with
correct fuel.
Spark plug lead disconnected. Connect spark plug lead.
Throttle setting incorrect. Set throttle to ‘fast’position.
Engine brake not released. Operate engine brake lever.
Faulty spark plug. Clean and adjust gap or replace.
Battery discharged (412 Only) Charge battery
Wiring fault. Check wiring.
Engine runs rough Spark plug lead becoming Connect spark plug lead.
disconnected in use.
Faulty spark plug. Clean and adjust gap or replace.
Air cleaner blocked. Service air cleaner.
Incorrect/contaminated fuel. Drain tank and fill with correct fuel.
1.29
TROUBLE SHOOTING