Specifications

13 HP Engine For technical questions, please call 1-800-444-3353. PAGE 17
Troubleshooting
Problem Possible Causes Probable Solutions
Engine misres Spark plug wire loose.1.
Incorrect spark plug gap or 2.
damaged spark plug.
Defective spark plug wire.3.
Old or low quality gasoline. 4.
Incorrect compression.5.
Check wire connections.1.
Re-gap or replace spark plug. 2.
Replace spark plug wire.3.
Use only fresh 89+ octane unleaded 4.
gasoline.
Diagnose and repair compression. 5.
(Use Engine will not start:
COMPRESSION RELATED section.)
Engine stops
suddenly
Low oil shutdown. 1.
Fuel tank empty or full of impure or 2.
low quality gasoline.
Defective fuel tank cap creating 3.
vacuum, preventing proper fuel
ow.
Faulty magneto. 4.
Clogged Fuel Filter5.
Fill engine oil to proper level. Check 1.
engine oil before EVERY use.
Fill fuel tank with fresh 89+ octane 2.
unleaded gasoline.
Test/replace fuel tank cap. 3.
Have qualied technician service 4.
magneto.
Replace Fuel Filter.5.
Engine stops
when under
heavy load
Dirty air lter.1.
Clogged Fuel Filter.2.
Engine running cold.3.
Clean or replace element.1.
Replace Fuel Filter.2.
Allow engine to warm up prior to 3.
operating equipment.
Engine knocks Old or low quality gasoline. 1.
Engine overloaded.2.
Incorrect spark timing, deposit 3.
buildup, worn engine, or other
mechanical problems.
Fill fuel tank with fresh 89+ octane 1.
unleaded gasoline.
Do not exceed equipment’s load rating.2.
Have qualied technician diagnose and 3.
service engine.
Engine
backres
Impure or low quality gasoline. 1.
Engine too cold. 2.
Intake valve stuck or overheated 3.
engine.
Fill fuel tank with fresh 89+ octane 1.
unleaded gasoline.
Use cold weather fuel and oil additives 2.
to prevent backring.
Have qualied technician diagnose and 3.
service engine.
Follow all safety precautions whenever diagnosing or servicing the
equipment or engine.