Honda BF90D User Manual

90
8. OPERATION
Break-in Procedure
Break-in period: 10 hours
Break-in operation allows the mating
surfaces of the moving parts to wear
evenly and thus ensures proper
performance and longer outboard
motor life.
Break-in your new outboard motor as
follows.
First 15 minutes:
Run the outboard motor at trolling
speed. Use the minimum amount of
throttle opening necessary to
operate the boat at a safe trolling
speed.
Next 45 minutes:
Run the outboard motor up to a
maximum of 2,000 to 3,000 min
-1
(rpm) or 10% to 30% throttle
opening.
Next 60 minutes:
Run the outboard motor up to
maximum of 4,000 to 5,000 min
-1
(rpm) or 50% to 80% throttle
opening. Short bursts of full
throttle are acceptable but do not
operate the outboard motor
continuously at full throttle.
Next 8 hours:
Avoid continuous full throttle
operation (100% throttle opening).
Do not run the outboard motor at
full throttle for more than 5
minutes at a time.
For boats that plane easily, bring the
boat up on plane then reduce the
throttle opening to the specified
break-in settings called out above.
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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