Component Tests and General Diagnostics

1. Remove the spark plug cables.

CAUTION: When pulling off the spark plug cable from the plug always hold the cable cap, not the cable.

2. Remove the spark plugs.
3. Check for burned out electrode or damaged insulator. Check for even burning.
4. Remove carbon deposits with wire brush or plug cleaner. Remove sand from plug screw with compressed air.

Spark Plug Check And Cleaning:

5. Use a plug gap gauge to check that the plug gap is within the standard value range.
Standard value: 0.7 - 0.8 mm (0.028 - 0.031 in.)
If the plug gap is not within the standard value range, adjust by bending the earth electrode.
6. Clean the engine plug holes.

CAUTION: Use care not to allow foreign matter in cylinders.

7. Install the spark plugs.