Honda BF90D User Manual

117
OPERATION
If an excessive amount of throttle is
used when operating in forward gear,
the outboard motor will return to the
transom angle adjusting rod. (G type)
Multiple Outboard Motors
On boats equipped with more than
one outboard motor, all motors
normally operate at the same time.
If one or more motor(s) is stopped
while the other(s) is running, put the
stopped motor in “N” (neutral) and
tilt it up so its propeller is above the
water's surface.
If the propeller of the stopped motor
is left in the water, it may turn as the
boat moves through the water,
causing a reverse flow of water from
the exhaust side. This reverse flow
will happen if the stopped engine's
propeller is in the water, its gearshift
is in “R” (reverse), and the boat is
moving forward. Reverse flow can
cause an engine malfunction.
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Honda BF90D Specifications

General

Bore & Stroke	73 mm x 89.4 mm
Horsepower	90 HP
Cooling System	Water Cooled
Starting System	Electric
Gear Ratio	2.33:1
Trim Range	-4° to +16°
Tilt Range	70°
Dry Weight	163 kg (359 lbs)
Lubrication	Wet Sump
Recommended Fuel	Unleaded Gasoline (86 Octane or higher)
Gear Shift	F-N-R
Steering	Remote
Trim Method	Power Trim and Tilt
Displacement	1496 cc
Exhaust	Through propeller
Alternator Output	44 Amps
Recommended Engine Oil	10W-30 FC-W
Shaft Length	20" or 25"
Engine Type	4-Stroke SOHC, 4 Cylinders
Fuel Delivery	Programmed Fuel Injection