Repair manual

CRT Repair Maintenance

wc_tx000581gb.fm 41

4.8 Spark Plug—CRT 36

Clean or replace spark plug as needed to ensure proper operation.

Refer to the engine Owner’s Manual.

Recommended Plug: Champion RC12YC

The muffler and engine cylinder become very hot during operation and

remain hot for a while after stopping the engine. Allow engine to cool

before removing spark plug.

4.8.1 Remove spark plug and inspect it.

4.8.2 Replace plug if the insulator is cracked or chipped. Clean spark plug

electrodes with a wire brush.

4.8.3 Set gap to 0.76 mm (0.030 in).

4.8.4 Tighten spark plug securely.

CAUTION: A loose spark plug can become very hot and may cause

engine damage.

4.9 Spark Plug—CRT 48

Clean or replace spark plug as needed to ensure proper operation.

Refer to the engine Owner’s Manual.

Recommended Plug: NGK ZGR5A, DENSO J16CR-U

The muffler and engine cylinder become very hot during operation and

remain hot for a while after stopping the engine. Allow engine to cool

before removing spark plug.

4.9.1 Remove spark plug and inspect it.

4.9.2 Replace plug if the insulator is cracked or chipped. Clean spark plug

electrodes with a wire brush.

4.9.3 Set gap to 0.70 mm (0.028 in).

4.9.4 Tighten spark plug securely.

CAUTION: A loose spark plug can become very hot and may cause

engine damage.

WARNING