OUTBOARD INSTALLATION
110 eng
• Do not install the steering brackets to the powerhead studs (upper studs).
• Trim the port and starboard bottom cowls as needed.
NOTICE
Attaching rear‑mounted steering rams or tie bars to the powerhead studs
may cause cylinder distortion and premature engine failure. Attach steering
brackets to the correct installation locations.
a - Exhaust adaptor plate
b - Powerhead studs
c - Steering bracket
mounting locations
(driveshaft housing
mounting studs)
Determining Outboard Mounting Height
INCREASING OUTBOARD MOUNTING HEIGHT
Increasing the height of the outboard generally provides more steering torque,
more top speed, and more propeller cavitation, particularly noticeable when
planing off or when operating with a heavy load.
Observe the following:
• Monitor water pressure and engine temperature at all times. Improper
mounting height may result in reduced available power due to low water
pressure and high temperature.
• Prevent exhaust restriction, which could result in poor idle performance,
by mounting the outboard high enough on the transom to keep the
exhaust relief hole at least 25 mm (1 in.) above the water line when the
engine is operating at idle speed.
• All gearcase models except Sport Master: Be sure that the outboard
mounting height does not exceed 71.1 cm (28 in.). Mounting outboards
with these gearcases too high exposes the upper water inlets, causing
possible damage to the powerhead from loss of water pressure.
4087
a
aac
bbb
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