Spark Plugs
Spark Plug Removal and Replacement
1.Remove both seats.
2.Remove the rear service panel. See page 31.
3.Remove the spark plug cap.
4.Using the spark plug wrench provided in the tool kit, remove the plug by rotating it
5.Reverse the procedure for spark plug installation. Torque to specification. See page 86.
Spark Plug Condition
Normal Plug
MAINTENANCE
Spark Plugs
The normal insulator tip is gray, tan or light brown. There will be few combustion deposits. The electrodes are not burned or eroded. This indi- cates the proper type and heat range for the engine and the service.
Tip: The tip should not be white. A white insulator tip indicates overheating, caused by use of an improper spark plug or incorrect throttle body adjust- ments.
Wet Fouled Plug
The wet fouled insulator tip is black. A damp oil film covers the firing end. There may be a carbon layer over the entire nose. Generally, the electrodes are not worn. General causes of fouling are excessive oil, use of
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