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Troubleshooting
Hard Starting / Poor Running
- Incorrect Fuel (Level, Age, Octane, Ethanol Content)
- Fuel System Contamination and / or Debris in Carburetor
- Incorrect Oil Level
- Weak Battery / Charging System
- Spark Plug (Incorrect Gap, Fouled, Loose or Faulty)
- Air Filter Restriction
- Air Intake System Leaks
- Ignition Coil to Flywheel Gap Incorrect
- Weak / No Spark
- Incorrect Fuel Solenoid / Fuel Pump Operation
- Choke / Governor Linkage
- Operating RPM Incorrect
- Governor Adjustment Incorrect
- Engine Valve Clearance out of Specification
- Low Compression or Excessive Leakdown
Overheating
- Incorrect Oil Level
- Cylinder Head Gasket Leak
- Debris Build-Up Restricting Air Flow
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