Spark Plug Gap
NGK BPZ8H-N-10 1.0 mm (0.040 in.)
NGK BUZHW-2 Surface gap
4. Before installing spark plugs, 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
Steering Pull Adjustment
The steering on some boats will have the tendency to pull towards starboard. This pulling condition can be corrected
by using a pliers and bending the ends of the exhaust fins 1.5 mm (1/16 in.) toward the starboard side of the
outboard.
a - Exhaust fins
Worn/Dull Impeller
The intake of gravel through the pump can round off and wear the leading edges of the impeller. Some conditions
that could be experienced from a worn/dull impeller are as follows:
• Noticeable performance loss, especially on acceleration
• Difficulty getting the boat on plane
• An increase in engine RPM at wide open throttle
IMPORTANT: Do not sharpen or alter the top side lifting angle.
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