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CYLINDER 1
CYLINDER 2
CYLINDER 3
CYLINDER 4
6.
Install the spark plugs carefully,
by hand, to avoid cross-threading.
7.
After each spark plug seats, tighten
with a spark plug wrench to
compress the sealing washer.
PLUG 1
If reinstalling used spark plugs,
PLUG 2
tighten 1/8 1/4 turn after the
spark plugs seat.
PLUG 3
If installing new spark plugs,
PLUG 4
tighten 1/2 turn after the spark
plugs seat.
Loose spark plugs can overheat
and damage the engine.
Overtightening the spark plugs
can damage the threads in the
cylinder head.
8.
Attach the spark plug caps. Each
cord is marked with a number near
the spark plug cap. Match the cord
numbers with the cylinder
numbers, as shown.
9.
Install and lock the engine cover.
SERVICING YOUR OUTBOARD MOTOR
75
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