INSPECTION AND MAINTENANCE74
10
6. Tighten the propeller nut to specified
torque and align one of grooves to
propeller shaft hole.
Propeller nut torque:
35 N·m (25 ft·lb, 3.25kgf·m)
7. Install a new split pin into the nut hole
and bend both ends of pin apart to
lock propeller in place.
ENOM00087-B
Spark plugs replacement
ENOW00087-1
z Do not reuse spark plug, if the insulation
is damaged or sparks can leak through
crack, potentially leading to electric
shock, explosion and/or fire.
z Do not touch spark plugs immediately
after stopping engine as they will be hot
and could cause severe burns if touched.
ENOW00929-0
Use only the recommended spark plugs.
Spark plugs which have an different heat
range may cause engine damage.
If the spark plug(s) is fouled, has carbon
build up, or is worn, it should be
replaced.
When reusing spark plugs, remove dirt
from the electrodes and check the spark
gap to specification.
1. Stop the engine.
2. Remove the top cowl.
3. Remove the spark plug caps.
4. Remove the spark plugs by turning it
counter-clockwise, using a 21 mm (13/
16 in) socket wrench and handle that
is provided in tool bag.
5. Inspect the spark plug. Replace the
spark plug with wear on electrodes
and if the insulators are cracked or
chipped.
6. Measure the spark gap with a wire
type feeler gauge. The gap should be
0.9-1.0 mm (0.035-0.039 inches). If
the gap is different, replace the spark
plug with a new one
Use spark plug :
NGK B7HS-10/BR7HS-10 (40D2)
NGK B8HS-10/BR8HS-10 (50D2)
1. Electrode
2. Spark gap (0.9–1.0 mm, 0.035–0.039 in)
7. Install the spark plug by hand and turn
it carefully to avoid cross-threading.
WARNING
CAUTION
1
2
ENOF00085-0
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