Troubleshooting

If you are experiencing a problem that is not listed in this chart, see your John Deere distributor for service.

When you have checked all the possible causes listed and you are still experiencing the problem, see your John Deere distributor.


IF	CHECK
Engine Will Not Start Or Is Hard To Start	Stale fuel.
	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 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.

Tiller


IF	CHECK
Poor Tilling	Poor tilling conditions too wet/dry
	Trying to till too much too fast
	Wrong engine speed
	Tines installed backwards
Tines Won't Engage	Drive belt
	Drive cable needs adjustment
	Failed parts inside gearbox - see your John Deere Dealer

Introduction