WEN POWER 212cc Owner's Manual page 22

Problem Cause
Engine will not COMPRESSION RELATED:
start
Cylinder not lubricated.
Problem after long storage
periods.
Loose or broken spark plug.
(Hissing noise will occur when
trying to start.)
Loose cylinder head or
damaged head gasket. (Hissing
noise will occur when trying to
start.)
Engine valves or tappets
misadjusted or stuck.
Engine misfires Spark plug cap loose.
Incorrect spark plug gap or
damaged spark plug.
Defective spark plug cap.
Old or low quality gasoline.
Incorrect compression.
Engine stops Low oil shutdown.
suddenly
Fuel tank empty or full of
impure or low quality gasoline.
Defective fuel tank cap creating
vacuum, preventing proper
fuel flow.
Faulty magneto.
Disconnected or improperly
connected spark plug cap.
Solution
COMPRESSION RELATED:
Pour tablespoon of oil into spark plug
hole. Crank engine a few times and try to
start again.
Tighten spark plug. If that does not work,
replace spark plug. If problem persists,
may have head gasket problem.
Tighten head. If that does not remedy
problem, replace head gasket.
Have qualified technician diagnose/repair
ignition system.
Check wire connections.
Re-gap or replace spark plug.
Replace spark plug cap.
Use only fresh 87+ octane
unleaded gasoline.
Diagnose and repair compression.
(Use Engine will not start:
COMPRESSION RELATED section.)
Fill engine oil to proper level. Check
engine oil before EVERY use.
Fill fuel tank with fresh 87+ octane
unleaded gasoline.
Test/replace fuel tank cap.
Have qualified technician
service magneto.
Secure spark plug cap.
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