Spark Plug Cap - Honda GX31 Owner's Manual

3. Spark plug service
Recommended spark plug:
CR5HSB (NGK)
U16FSR-UB (DENSO)
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. Remove the spark plug cap and use the proper size spark plug
wrench to remove the spark plug.
If the engine has been running, the muffler will be very hot. Be
careful not to touch the muffler.

SPARK PLUG CAP

SPARK PLUG
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