Troubleshooting - Shindaiwa 300S 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
chamber
YES
NO
Is there spark
at the spark
plug wire
terminal?
YES
Check the spark
plug.
32
ENGINE DOES NOT START
Possible Cause
Faulty recoil starter.
Fluid in the crankcase.
Internal damage.
Loose spark plug.
Excess wear on cylinder,
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 authorized
servicing dealer.
Tighten and re-test.
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 re-start.
Move switch to ON
and re-start.
Consult with an authorized
servicing dealer.
Crank the engine with the
plug removed, replace the
plug, and re-start. See pg.
18 (Starting a flooded
engine).
Clean and re-gap the plug
to 0.24 inch (0.6mm).
Re-start.
Replace the plug with a
Champion CJ6Y. Re-start.
For EMC Compliance units
use NGK BMR7A.