HONDA F220 - Manual (Page 38)

36
SERVICING YOUR TILLER
HONDA F220 (E) 00X31-V14-6120 -
1/8 – 1/4 turn after the spark plug seats.
If installing a new spark plug, tighten 1/2 turn after the spark plug seats.
A loose spark plug can overheat and damage the engine.
Overtightening the spark plug can damage the threads in the cylinder head.
7. Attach the spark plug cap.
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