Spark Plug: Testing and Inspection

INSPECTION OF SPARK PLUGS
1. REMOVE SPARK PLUGS
2. CLEAN AND INSPECT SPARK PLUGS
(a) Clean the spark plugs with a spark plug cleaner or wire brush.
(b) Inspect the spark plugs for electrode wear, thread damage and insulator damage.
If there is a problem, replace the plugs.

Recommended spark plugs:
Fed. & Canada
ND: W14EXR-U11 or WI6EXR-U11
NGK: BPR4EY11 or BPR5EY11
Calif.
ND: W16EXR-U11
NGK: BPR5EY11

3. ADJUST ELECTRODE GAP





Carefully bend the outer electrode to obtain the correct electrode gap.

Correct electrode gap: 1.1 mm (0.043 in.)

4. INSTALL SPARK PLUGS

Torque: 18 Nm (13 ft.lbs.)