Honda BF8 BF9 Outboard

The BF8 and BF9.9 offer more of what you want. More battery charging power. Easier to use features. Quieter performance. Dependable performance in a portable package. Better reliability. And with Honda’s exclusive True 5 warranty, the best warranty in the business. Add in the optional Power Thrust design, and you’ve got an even more powerful and world-known Honda four-stroke motor, with 60% more thrust in reverse and 15% more in forward.

BF8 BF9.9
Type 4-Stroke SOHC 2 Cylinder/4 Valves 4-Stroke SOHC 2 Cylinder/4 Valves
Displacement 222 cc (13.5 cubic inches) 222 cc (13.5 cubic inches)
Bore & Stroke 58 mm x 42 mm (2.3 x 17 inches) 58 mm x 42 mm (2.3 x 1.7 inches)
Full Throttle RPM Range 4,500-5,500 RPM 5,000-6,000 RPM
Rated Power 8 HP @ 5,000 RPM 9.9 HP @ 5,500 RPM
Cooling System Water Cooled Water Cooled
Fuel Delivery 1 Carburetor 1 Carburetor
Ignition System PGM-IG PGM-IG
Starting System Electric/Recoil Electric/Recoil
Exhaust Through Hub Through Hub
Lubrication Wet Sump Wet Sump
Trim Range 5 Stage 4°-8°-12°-16°-20° 5 Stage 4°-8°-12°-16°-20°
Tilt Range 71° 72°


BF8 BF9.9
Gear Ratio 2.33:1 2.33:1
Gear Shift F-N-R F-N-R


BF8 BF9.9
Alternator with voltage regulator (Electric Start) 12-Amp (148 watt) 12-Amp (148 watt)
Alternator with voltage regulator (Manual Start) 6-Amp (76 watt) 6-Amp (76 watt)
Propeller 4-Blade Aluminum 4-Blade Aluminum
Diameter x Pitch, Standard 9¼ x 8 inches 9¼ x 8 inches
Diameter x Pitch, Power Thrust 10 x 6.5 inches 10 x 6.5 inches
Power Tilt Available Available
Power Trim & Tilt NA NA
Gas Assisted Tilt NA NA
Oil Pressure Alert Standard Standard
Temperature Alert Standard Standard
Rev-Limiter Standard Standard


BF8 BF9.9
Overall Width 345 mm/13.6 inches 345 mm/13.6 inches

Transom Height

BF8 BF9.9
S Type 381 mm/15 inches 381 mm/15 inches
L Type 508 mm/20 inches 508 mm/20 inches
X Type 635 mm/25 inches 635 mm/25 inches

Dry Weight

BF8 BF9.9
S-Type 42 kg/92 lbs. 42 kg/92 lbs.
L-Type 44 kg/98 lbs. 44 kg/98 lbs.
X-Type 48 kg/107 lbs. 48 kg/107 lbs.


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