Troubleshooting Guide
ENGINE DOES NOT START
What To Check
Does the engine | NO | |
crank? |
| |
| ||
|
|
|
YES |
| NO |
|
| |
| ||
Good compression? | ||
YES
Does the tank contain |
| NO | |
fresh fuel of the proper |
|
| |
|
| ||
grade? |
|
| |
|
|
| |
YES |
|
|
|
|
|
| NO |
|
|
| |
Is fuel visible and |
| ||
|
| ||
|
| ||
moving in the return |
|
| |
line when priming? |
|
| |
|
|
|
|
YES |
|
|
|
|
|
| NO |
|
| ||
Is there spark at |
| ||
the spark plug wire |
|
| |
terminal? |
|
| |
|
|
| |
YES |
|
|
|
|
|
|
|
|
|
| |
Check the spark plug. |
|
| |
|
| ||
|
|
|
|
Possible Cause
Faulty recoil starter.
Fluid in the crankcase.
Internal damage.
Loose spark plug.
Excess wear on cylinder, piston, rings.
Fuel incorrect, stale, or contaminated; mixture incorrect.
Check for clogged fuel filter and/or vent.
Priming pump not functioning properly..
The ignition switch is in “O” (OFF) position.
Shorted ignition ground. Faulty ignition unit.
If the plug is wet, excess fuel may be in the cylinder.
The plug is fouled or improperly gapped.
The plug is damaged internally or of the wrong size.
Remedy
Consult with an authorized servicing dealer.
Tighten and
Consult with an authorized servicing dealer.
Refill with fresh, clean unleaded gasoline with a pump octane of 87 or higher mixed with 50:1 Shindaiwa Premium
Replace fuel filter or vent as required. Restart.
Consult with an authorized servicing dealer.
Move switch to “I” (ON) position and restart.
Consult with an authorized servicing dealer.
Crank the engine with the plug removed, reinstall the plug, and restart.
Clean and regap the plug to 0.6mm. Restart.
Replace the spark plug. Check the unit Specifications page for the proper spark plug for your unit. Restart.
16
