HONDA BF20D - Manual (Page 37)

35
ATTACHMENT
(types with clamp screws)
INSTALLATION
CLAMP SCREW
WASHER
BOLT
LOCK NUT
MOUNTING HOLE
WASHER
TRANSOM
BOARD
ROPE
LOCK NUT
BOLT
IDLE PORT
FULLY TRIM/TILT
DOWN
WATER LEVEL
5.9 in (150 mm)
or more
If the transom needs to be modified
to accommodate the outboard motor,
contact the boat manufacturer and
follow their recommendations for
corrective action.
Optimum installation height varies
with boat type and bottom shape.
Contact the boat manufacturer for
any special recommendations that are
unique to a specific model of boat.
If the outboard motor is installed too
high, that will cause propeller
ventilation.
If the outboard motor is installed too
low, the boat will squat and be hard
to plane, and the motor will spray
water that may enter the boat. It will
tend to porpoise, and high-speed
stability will be reduced.
When the outboard motor is installed
extremely low, the idle port may be
immersed and the engine may
become hard to start or may run
poorly. Check that the idle port is
high enough from the water level
when the engine is stopped with the
boat fully loaded.
Adverse effect to the engine can
occur if the installation position of
the outboard motor is too low. Trim/
tilt down the outboard motor with the
boat fully loaded and stop the engine.
Check that the idle port is 5.9 in (150
mm) or more above the water level.
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