Cub Cadet RZT SX 42 Operation Manual - Page 11
Troubleshooting
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Troubleshooting 7 Problem Engine Fails to start Cause 1. Spark plug boot disconnected. 2. Fuel tank empty or stale fuel. 3. Faulty spark plug. 4. Engine flooded. 5. Dead battery. 6. Blown fuse. Engine runs erratic 1. Spark plug boot loose. 2. Vent in gas cap plugged. 3. Water or dirt in fuel system. 4. Dirty air cleaner. Engine overheats 1. Engine oil level low. 2. Air flow restricted. Occasional skips (hesitates) at 1. Spark plug gap too close. high speed Idles poorly 1. Spark plug fouled, faulty, or gap too wide. 2. Dirty air cleaner. Remedy 1. Connect wire to spark boot. 2. Fill tank with clean, fresh gasoline. 3. Clean, adjust gap, or replace. 4. Crank engine with throttle in FAST position. 5. Recharge battery. See equipment operator's manual. 6. Replace blown fuse. See equipment operator's manual. 1. Connect and tighten spark plug boot. 2. Clear vent. 3. Drain fuel tank. Refill with fresh fuel. 4. Replace air cleaner element and/or clean pre- cleaner. 1. Fill crankcase with proper oil. 2. Clean grass clippings and debris from around the engine's cooling fins and blower housing. 1. Remove spark plug and adjust gap. 1. Reset gap or replace spark plug. 2. Replace air cleaner element and/or clean pre- cleaner. 11