Owner's Manual

2. Visually inspect the spark plug. Discard it if the insulator is cracked or

chipped. Clean the spark plug with a wire brush if it is to be reused.

3. Measure the plug gap with a feeler gauge. The gap should be 0.7-0.8

mm (0.028-0.031 in). Correct as necessary by bending the side

electrode.

I 0.7-0.8 mm

(0.028~0.031 in)

4. Attach the plug washer. Thread the plug in by hand to prevent cross-

threading.

5. Tighten a new spark plug l/2 turn with the wrench to compress the

washer. If you are reusing a plug, it should only take l/8- l/4 turn after

the plug seats.

IMPORTANT NOTICE

1 The spark plug must be securely tightened. An im-

properly tightened plug can become very hot and possibly damage the

engine. Never use a spark plug with an improper heat range.