HONDA Outdoor Motor BF90D - Manual (Page 93)

91
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 supplied
in the tool kit 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.
Install the ignition coil. Reinstall
the bolt.
Push the wire connector onto the
ignition coil. Make sure it locks in
place.
Repeat this procedure for the other
three spark plugs.
Reinstall the covers.
9.
8. 10.
11.
12.
13.
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