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Idiomas disponibles
Idiomas disponibles
A
25.400
Spark Plug Maintenance
The spark plug must be properly gapped and free of
deposits in order to ensure proper engine operation.
To check:
1. Loosen the screws at the side of the right
maintenance cover. Remove cover and set aside.
2. Remove the spark plug cap (B).
3. Clean any dirt from around base of spark plug.
4. Remove spark plug (A) using provided wrench.
5. Inspect spark plug for damage, and clean with a
wire brush before reinstalling. If insulator is
cracked or chipped, spark plug should be replaced.
6. Measure plug gap. The correct gap is 0.028-0.031
in. (0.7-0.8 mm). To widen gap, if necessary,
carefully bend the ground (top) electrode. To
lessen gap, gently tap ground electrode on a hard
surface.
7. Seat spark plug in position; thread in by hand to
prevent cross-threading.
8. Tighten with wrench to compress washer. If spark
plug is new, use 1/2 turn to compress washer
appropriate amount. If reusing old spark plug, use
1/8 to 1/4 turn for proper washer compression.
NOTE:
An improperly tightened spark plug will become
very hot and could damage the engine.
9. Reinstall the spark plug cap (B).
A
B
B
A - Spark plug
B - Spark plug cap
Valve Clearance
Important: Please contact Authorized Service Center
for service assistance. Proper valve clearance is
essential for prolonging the life of the engine. Check
valve clearance per maintenance schedule.
Valve
0.004~0.006 inch
Clearance
Torque
NOTICE
Checking and adjusting valve clearance must be
done when the engine is cold.
Cleaning the Spark Arrestor
1. Allow the engine to cool completely before
servicing the spark arrestor.
2. Loosen the screws at the side of the left
maintenance cover. Remove cover and set aside.
3. Loosen the screw (A) to be able to remove clamp
(B) and cover plate (C).
4. Remove the spark arrestor screen (D).
5. Carefully remove the carbon deposits from the
spark arrestor screen with a wire brush.
6. Replace the spark arrestor if it is damaged.
7. Position the spark arrestor on the muffler and
reinstall the muffler cover with the screws
removed in step 2.
Page 22
0.7 - 0.8 mm
0.028 - 0.031 in.
Intake Valve
Exhaust Valve
0.006~0.008 inch
0.1~0.15 mm
0.15~0.2 mm
10-12 N·M
10-12 N·M
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