TROUBLESHOOTING
PROBLEM | 
  | PROBABLE CAUSE | 
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Starter Will Not Crank  | 1. Battery dead.  | 1.  | Service battery.  | 
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Engine | 2. Blown fuse.  | 2.  | Replace fuse.  | 
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  | 3.  | Electrical connections loose or corroded.  | 3. Clean and check connections for good contact.  | 
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  | 4.  | Defective ignition switch.  | 4.  | Contact authorized SNAPPER dealer.  | 
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Engine Will Not Start | 1. Blade engagement switch in the “ON” position.  | 1. Move blade engagement switch to “OFF”.  | 
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  | 2.  | Park brake not set.  | 2.  | Set park brake.  | 
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  | 3.  | Fuel tank empty.  | 3.  | Fill fuel tank with fresh fuel.  | 
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  | 4.  | Engine needs choking.  | 4.  | Move choke control to “CHOKE” position.  | 
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  | 5.  | Spark plug wire disconnected.  | 5.  | Place spark plug wire onto spark plug.  | 
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  | 6.  | Battery weak or dead.  | 6.  | Service battery.  | 
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  | 7.  | Faulty parking brake, blade or ignition switch.  | 7.  | Contact authorized SNAPPER dealer.  | 
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Engine Stalls After  | 1. Operator not in seat.  | 1.  | Sit in operator’s seat.  | 
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Running | 2. Choke control in the “CHOKE” position.  | 2.  | Move choke control to “OFF” position.  | 
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  | 3.  | Fuel tank empty.  | 3.  | Fill with fuel to proper level.  | 
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  | 4.  | Engine air   | 4.  | Clean free of all debris.  | 
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  | 5.  | Spark plug defective or gap set improperly.  | 5.  | Service spark plug.  | 
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  | 6.  | Fuel filter stopped up.  | 6.  | Replace fuel filter.  | 
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  | 7.  | Water, debris or stale fuel in fuel system.  | 7.  | Drain and clean fuel system.  | 
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Engine Loses Power | 1. Excessive load on engine.  | 1.  | Lessen load.  | 
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  | 2.  | Engine air   | 2.  | Clean or replace filters.  | 
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  | 3.  | Engine oil level low.  | 3.  | Fill with engine oil to proper level.  | 
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  | 4. Engine cooling fins & air intake screen excessively dirty.  | 4. Clean cooling fins, air intake screen of all debris.  | 
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  | 5.  | Spark plug faulty.  | 5.  | Service spark plug.  | 
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  | 6.  | Water, debris or stale fuel in fuel system.  | 6.  | Drain and clean fuel system.  | 
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Engine Backfires When  | 1. Throttle control set too “FAST”.  | 1. Set throttle control to “SLOW” and allow engine  | to  | ||
Turned To “STOP”  | 
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  | idle. Then, turn key to “OFF”.  | 
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Excessive Vibration | 1. Damaged or bent mower blades.  | 1.  | Service mower blade(s).  | 
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  | 2.  | Loose blade components.  | 2.  | Service and tighten loose parts.  | 
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  | 3.  | Loose or missing air lift (if equipped).  | 3.  | Replace air lifts. Tighten to proper torque.  | 
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(Trouble Shooting Continued on Next Page)
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