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MAINTENANCE
30 Maintenance TP-6901 6/14
Figure5-19
2. Use a cloth to wipe dirt and oil away from the area
around each of the four spark plug wires (A). See
Figure 5-19.
3. Disconnect the spark plug wires.
4. Wipe the interior of the spark plug tubes.
5. Use a spark plug wrench to remove the spark
plugs.
Figure5-20
6. Inspect the electrodes (B) on each spark plug. See
Figure 5-20. The electrodes should be light brown.
If the electrode appears to be burned, covered with
soot, or fouled with oil, replace the spark plug.
Figure5-21
7. Inspect the body of each spark plug for cracks,
damage, or discoloration and check that the spark
plug O-ring is in good condition. Replace as
needed.
8. Use a spark plug gap tool to measure the gap (C)
on each spark plug. Adjust the gap to specification.
See Figure 5-21.
Spark Plug Gap
0.9–1.0 mm (0.036–0.040 in.)
NOTE:
Ensure that the spark plug tubes are seated before
installing the spark plugs. If the tubes were removed,
reinstall the tubes before installing the spark plugs.
9. Install the spark plugs in the cylinder head.
10. Tighten the spark plugs to specification.
Spark Plug Torque
18 N•m (13.3 ft.lb.)
11. Install spark plug wires to spark plugs.
K0384
A
K0703
B
K0390
C