Determining The Mounting Height Of The Outboard - Mercury Jet OptiMax 110 Manual

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2. Assemble the steering link rod to the engine with the special
washer head bolt "a" and self‑locking nylon insert locknut
"b."
3. Torque the head bolt, then the locknut to specifications.
Description
Cable coupler nylon insert locknut
"d"
Head bolt nylon insert locknut "b"
Special washer head bolt

Determining the Mounting Height of the Outboard

The following outboard mounting height settings will work good
for most applications, however, because of different boat/hull
designs, the setting should be rechecked by test running the
boat. Refer to Water Testing.
Installing the outboard too high on the transom will allow the
water intake to suck in air and cause cavitation. (Cavitation
will cause the engine to overspeed in spurts and reduce
thrust.) This condition should be avoided by proper height
setting.
Installing the outboard too low on the transom will allow
excessive drag.
eng
OUTBOARD INSTALLATION
Nm
Tighten locknut until it seats, then
loosen ¼ turn.
27
27
95
lb‑in.
lb‑ft
20
20

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