TROUBLESHOOTING GUIDE
ENGINE DOES NOT START
What To Check
Does the engine crank?
YES
Good compression?
YES
Does the tank contain fresh fuel of the proper grade?
YES
Is fuel filling the fuel primer bulb during priming operations?
YES
Is there spark at the spark plug wire terminal?
YES
Check the spark plug
Possible Cause
Faulty recoil starter. NO 
Fluid in the crankcase.
Internal damage.
Loose spark plug. NO 
Excess wear on
cylinder, piston, rings.
Fuel/mixture incorrect, NO 
stale, contaminated.
Check for clogged fuel NO 
filter and/or vent.
NO | Faulty ignition ground. |
|
If the plug is wet, excess 
fuel may be in the
cylinder.
The plug may be fouled or improperly gapped.
The plug may be damaged internally or of the wrong size.
Remedy
Consult with an authorized servicing dealer.
Tighten and
Refill with fresh fuel of the correct mixture (gasoline and ISO EGD
or JASO FC class
Clean as required;
Consult with an authorized servicing dealer.
Crank the engine with the plug removed, replace the plug, and
Clean and
Replace the plug with a
Champion CJ8.
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