Honda WJR4025 Manual Del Propietário página 58

Spark plug service
Recommended spark plug: CMR5H (NGK)
CAUTION:
Never use a spark plug of incorrect heat range.
To ensure proper engine operation, the spark plug must be properly gapped
and free of deposits.
1. Loosen the 4 mm hex. bolt, then remove the engine top cover.
Do not pull the starter grip and start the engine without the engine top cover.
There are rotating part and hot parts under the cover.
ENGINE TOP COVER
4 mm HEX. BOLT
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