Engine Will Not Start

· Fuel tank is empty.

· Dirty fuel tank cap vents.

· Disconnected or dirty spark plug.

· Plugged fuel filter, if equipped.

· Stale fuel.

· Fuel shut-off valve closed.

· Starter faulty.

Engine Starts But Will Not Keep On Running

· Faulty wiring.

· Faulty spark plug.

· Dirty fuel tank cap vents.

Engine Will Not Run With Throttle In The Slow Position

· Faulty spark plug.

· Dirty fuel tank cap vents.

· Stale or dirty fuel.

Engine Misses Or Surges

· Loose electrical connections.

· Choke knob not in the off position.

· Faulty spark plug.

· Stale fuel.

· Dirty shroud and fins.

· Engine not warm.

Engine Overheats

· Dirty shroud and fins.

· Low engine oil.

· Operate snowblower at a slower travel speed.

Engine Loses Power

· Low engine oil.

· Faulty spark plug.

· Stale fuel.

· Dirty shroud and fins.

· Operate snowblower at a slower travel speed.

Engine Knocks

· Wrong fuel.

· Operate snowblower at a slower travel speed.

Snowblower Vibrates Too Much

· Loose hardware/parts.

· Damage to snowblower.

Snowblower Will Not Move When You Engage Traction Drive

· Faulty traction drive.

· Faulty drive chain.

· Faulty friction wheel.

· Friction wheel needs adjustment.

· Cable needs adjustment.

Speed Selector Lever Hard To Move Or Will Not Return To Neutral When You Release It From Reverse Position

· Lever linkage not lubricated.

Snowblower Will Not Blow Snow

· Cable needs adjustment.

· Chute is plugged.

· Auger drive belt needs adjustment.

· Travel speed too fast.

· Object lodged in auger.

· Broken shear bolt

· Engine not running at fast speed.