16. MAINTENANCE
Spark Plugs
Inspect:
l Insulator
Abnormal color: Replace.
Normal color is a medium-
To-light tan color.
l Electrode
Wear/damage:Replace.
Clean:
l Spark plug
(with spark plug cleaner or
wire brush)
Measure:
l Spark plug gap
Out of specification: Adjust
gap.
Spark Plug Removal and Replacement
WARNING
Never attempt to remove a spark plug while the engine is warm.
The exhaust system or engine could burn you causing severe
injury.
Remove the spark plug by rotating counterclockwise.
Reverse the procedure for spark plug installation. Torque to
17ft.Ibs (23N.m).
Standard spark plug
DR8EA(NGK)
③ Gap:0.6-0.7mm
88
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