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Recommended spark plug:
Never use a spark plug with an improper heat range.
Spark plug service
If the engine has been running, the muffler will be very hot. Be
careful not to touch the muffler.
SIDE ELECTRODE
SPARK PLUG WRENCH
INSPECTION LID
SPARK PLUG CAP
0.6
0.7 mm
(0.024
0.028 in)
To ensure proper engine operation, the spark plug must be properly
gapped and free of deposits.
Pull off the spark plug inspection lid and disconnect the spark plug
cap.
Remove the spark plug with spark plug wrench.
Visually inspect the spark plug. Discard
it if the insulator is cracked or chipped.
Clean the spark plug with a wire brush if
it is to reused.
Measure the plug gap with a feeler
gauge.
Spark plug gap:
Correct as necessary by bending the
side electrode.
U14FSR-UB (DENSO)
CR4HSB (NGK)
0.6
0.7 mm (0.024
0.028 in)
1.
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3.
4.
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08/08/06 08:14:15 32V19600_043