Honda BF40A - Page 71

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SERVICING YOUR OUTBOARD MOTOR
Loose spark plugs can overheat
and damage the engine.
Overtightening the spark plugs
can damage the threads in the
cylinder head.
Install the spark plugs carefully,
by hand, to avoid cross-threading.
After each spark plug seats, tighten
with a spark plug wrench to
compress the sealing washer.
If reinstalling used spark plugs,
tighten 1/8 1/4 turn after the
spark plugs seat.
If installing new spark plugs,
tighten 1/2 turn after the spark
plugs seat.
Attach the spark plug caps.
Install and lock the engine cover.
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05/02/22 10:55:25 31ZW3600_070