Engine Will Not Crank

· Brake is not pushed down.

· Loose or corroded electrical connections.

· PTO knob is in ON position.

· Fuse is blown.

· Transmission lever out of NEUTRAL position and brake pedal not pushed down.

Engine Runs Unevenly

· Cooling fins plugged.

· Loose electrical connections.

· Choke or throttle cable sticking.

Engine Will Not Idle

· Spark plug not gapped correctly.

· Faulty spark plug.

Engine Is Hard To Start

· Fuel filter is gummed or plugged.

· Spark plug is fouled.

· Faulty spark plug or wire.

· Spark plug is not gapped correctly.

· Loose or corroded electrical connections.

· Stale fuel.

· Choke is adjusted incorrectly.

Engine Misses Under Load

· Faulty spark plug.

· Stale fuel.

Engine Vapor Locks

· Fuel tank vent plugged.

· Dirt in fuel filter.

· Debris plugging fuel pick-up tube inside fuel tank.

· Loose hose connection at fuel filter or fuel pump.

Engine Overheats

· Air cleaner element plugged.

· Engine air intake screen plugged.

· Cooling fins plugged.

· Engine oil low.

· Engine operated too long at slow idle speed.

Engine Loses Power

· Engine overheating.

· Too much oil in engine.

· Dirty air cleaner.

· Faulty spark plug.

Engine Knocks

· Low engine speed.

· Stale or low octane fuel.

· Engine overloaded.

· Oil level low.

Engine Backfires

· Faulty spark plug.

Tractor Vibrates Too Much

· Attachment drive belts worn or damaged.

· Dirt on drive sheaves.

Tractor Will Not Move With Engine Running

· Transmission hydraulic oil level low.

Tractor Moves With Engine Running And Hydrostatic Control In Neutral

· Linkage out of adjustment.

Cruise Control Lever Creeps

· Adjust cruise control lever tension

Cruise Control Lever Requires High Effort to Move

· Adjust cruise control lever tension

Starter Does Not Work Or Will Not Turn Engine

· Brake pedal not down.

· Transmission control lever not in neutral (gear transmission).

· PTO knob in ON position.

· Battery terminals corroded.

· Battery dead or low charge.

Battery Will Not Charge

· Battery cables and terminals dirty.

· Low engine speed or excessive idling.

· Dead cell in battery.

Mower (or other attachment) Stops when REVERSE foot pedal is depressed and attachment is engaged.

· Normal condition. (See Using Reverse Implement Option in the OPERATING Section.)

Attachment is difficult to lift.

· Adjust lift lever assist spring. (See Adjusting Lift Assist Spring in Service-Miscellaneous section.)