Troubleshooting - Shindaiwa 488EMC Owner's/Operator's Manual

Troubleshooting

What to Check
Does the engine
NO
crank?
YES
NO
Good
compression?
YES
NO
Does the tank
contain fresh
fuel of the
proper grade?
YES
NO
Is fuel reaching
the cylinder and
combustion cham-
ber
YES
NO
Is there spark
at the spark
plug wire
terminal?
YES
Check the spark
plug.
20
ENGINE DOES NOT START
Possible Cause
Faulty recoil starter.
Fluid in the crankcase.
Internal damage.
Loose spark plug.
Excess wear on cylin-
der, piston, rings.
Stale or contaminated
fuel mixture.
Check for clogged fuel
filter and/or vent.
Is the ignition switch
ON?
Faulty ignition ground.
Faulty transistor unit.
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
may be the wrong size.
Remedy
Consult with an autho-
rized servicing dealer.
Tighten and retest.
Drain and refill with
fresh, clean unleaded
gasoline with a pump
octane of 87 or higher
mixed with Shindaiwa 2-
cycle Engine Oil and
gasoline at a 50:1 ratio).
Clean and replace as
required and restart.
Move switch to ON
and restart.
Consult with an autho-
rized servicing dealer.
Crank the engine with
the plug removed, replace
the plug, and restart. See
pg. 10 (Starting a flooded
engine).
Clean and re-gap the
plug to 0.24 inch
(0.6mm).
Restart.
Replace the plug with a
NGK BMR7A.