Engine Will Not Start

Fuel tank is empty.

Loose or corroded wiring.

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.

Carburetor needs adjustment.

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

Carburetor needs adjustment.

Choke knob not in the OFF position.

Loose electrical connections.

Faulty spark plug.

Stale fuel.

Dirty shroud and fins.

Engine not warm.

Engine Overheats

Carburetor needs adjustment.

Dirty shroud and fins.

Low engine oil.

Operate snowblower at a slower travel speed.

Engine Loses Power

Low engine oil.

Faulty spark plug.

Carburetor needs adjustment.

Stale fuel.

Dirty shroud and fins.

Operate snowblower at a slower travel speed.

Engine Knocks

Wrong fuel.

Operate snowblower at a slower travel speed.

Engine Backfires

Carburetor needs adjustment.

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.

Check differential lock.

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

Engine not running at fast speed.

Chute is plugged.

Auger drive belt.

Travel speed too fast.

Object lodged in auger.

Broken shear bolt