Operation Manual

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3. SPARK PLUG SERVICE
RECOMMENTDED SPARK PLUG: 75020: CR5HSB - U16FSR-UB, 75022:
A7RTC, 75025: A7RC, 75036: R6-388.
To ensure proper engine operation, the spark plug must be properly gapped and
free of deposits.
1.Remove the spark plug maintenance cover.
2. Remove the spark plug cap.
3. Clean any dirt from around the spark plug base.
4. Use the wrench to remove the spark plug.
5. 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.
6.Measure the plug gap with a feeler gauge.