ENGINE WILL NOT START OR IS HARD TO START

Stale fuel.

Fuel shut-off valve.

Improper fuel / fuel level.

Plugged air intake filter.

Spark plug wire is loose or disconnected.

Spark plug not gapped correctly.

ENGINE WILL NOT IDLE

Carburetor problems - See your John Deere Dealer.

ENGINE RUNS ROUGH

Stale fuel.

Improper fuel / fuel level.

Plugged air intake filter.

Fuel cap vent dirty.

Spark plug not gapped correctly.

Replace spark plug.

Carburetor problems - See your John Deere Dealer.

ENGINE OVERHEATS

Clean cooling fins.

Low oil level.

Plugged air intake filter.

Operating at too fast ground speed for conditions.

ENGINE KNOCKS

Fuel is bad. Fill tank with fresh fuel, correct octane.

Reduce load.

Operate engine at FAST idle.

ENGINE RUNS ROUGH

Stale fuel.

Improper fuel / fuel level.

Plugged air intake filter.

Fuel cap vent dirty.

Spark plug not gapped correctly.

Replace spark plug.

Carburetor problems - See your John Deere Dealer.

IF

CHECK

ENGINE LACKS POWER

Reduce load.

Plugged air intake filter.

Drain and fill tank with correct fuel.

Clean cooling fins to help prevent overheating.

Spark plug.

ENGINE USES TOO MUCH OIL

Find and correct oil leaks.

Incorrect engine oil.

Plugged air intake filter.

ENGINE BACKFIRES THROUGH MUFFLER

Carburetor problems - See your John Deere Dealer.

ENGINE BACKFIRES THROUGH CARBURETOR

Carburetor problems - See your John Deere Dealer.

POOR TILLING

Poor tilling conditions to wet/dry

Trying to till to much to fast

Wrong ground speed

Wrong engine speed

Tines installed backwards

TINES WON'T ENGAGE

Drive belt

Drive clutch needs adjustment

Failed parts inside gearbox - see your John Deere Dealer