3. Remove the spark plug to inspect. Replace spark plug if electrode is worn
or the insulator is rough, cracked, broken, blistered or fouled.
Spark Plug
Spark plug gap 1.0 mm (0.040 in.)
5. Before installing spark plug, clean off any dirt on the spark plug seats.
Install plugs finger tight, and then tighten 1/4 turn or torque to
specifications.
Description
Nm lb‑in. lb‑ft
Spark plug 27 – 20
Engine Idle Speed Adjustment
1. With boat tied securely to dock, start engine and allow it to warm up.
2. With outboard in forward gear, reduce engine speed to idle.
MAINTENANCE
36 eng
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