Honda Outboard Motors
2HP - 20HP

 
BF20
BF15
BF9.9
BF8
BF5
BF2
Type  
4-Stroke SOHC
2 Cylinders/4 Valves
4-Stroke OHV
1 Cylinder/2 Valves
4-Stroke OHV
1 Cylinder/2 Valves
Displacement
350cc
(21.4 cubic inches)
222cc
(13.5 cubic inches)
127cc
(7.8 cubic inches)
57cc
(3.4 cubic inches)
Bore & Stroke
59mm x 64mm
(2.3 x 2.5 in.)
58mm x 42mm
(2.3 x 1.7 in.)
60mm x 45mm
(2.4 x 1.8 in.)
45mm x 36mm
(1.8 x 1.4 in.)
Full Throttle RPM Range
5,000-6,000
RPM
4,500-5,500 RPM
5,000-6,000
RPM
4,500-5,500
RPM
4,000-5,000
RPM
5,000-6,000
RPM
Rated Power
20HP @ 5,500 RPM
15HP @ 5,000 RPM
9.9HP @ 5,500 RPM
8HP @ 5,000 RPM
5HP @ 5,000 RPM
2HP @ 5,500 RPM
Cooling System
Water Cooled
Forced Air
Fuel Delivery
1 Carburetor
Ignition System
PGM-IG
Digital CDI
Transistorized Pointless
Starting System
Electric/Recoil
Recoil
Recoil
Exhaust
Through Hub
Under Water, Above Propeller
Under Water, Above Propeller
Drive
Gear Ratio  
2.08:1
2.33:1
2.08:1
2.40:1
Gear Shift
F-N-R
360 Degree Pivot
Equipment
 
BF20
BF15
BF9.9
BF8
BF5
BF2
Alternator
w/ voltage regulator		 (Electric Start)

(Manual Start)
12-Amp (151 watt)

6-Amp (76 watt)
Optional 3-Amp
(38 watt)
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-
-
Propellor  
4-Blade Aluminum
3 Blade Aluminum
3 Blade Plastic
Diameter x Pitch
 Standard
Powerthrust
9-1/4 x 10 inches
10 x 7-5/8 inches
9-1/4 x 8 inches
10 x 6.5 inches
7-7/8 x 7-1/2 inches
7-1/4 x 4-3/4 inches
Power Tilt  
Available
NA
NA
PowerTrim & Tilt
NA
Gas-Assisted Tilt
-
-
-
-
NA
NA
Oil Pressure Alert
Standard
-
Temperature Alert
Standard
-
-
Rev-Limiter
Standard
-
-
Speedometer Pickup
-
-
-
-
-
-
Dimensions
 
BF20
BF15
BF9.9
BF8
BF5
BF2
Overall Width  
350mm/13.8 inches
345mm/13.6 inches
340mm/13.5 inches
255mm/10 inches
Recommended
Transom Height 		(S-type)
381mm/15 inches
(L-type)
507mm/20 inches
(X-type)
635mm/25 inches
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-
Dry Weight (S-type)
46kg/101lbs
42kg/92 lbs
27kg/60 lbs
12.2kg/27 lbs
(L-type)
49kg/108lbs
44kg/98lbs
27.5kg/61 lbs
12.7/28lbs
(X-type)
62kg/136lbs
48kg/107lbs
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CARB 2008 RATING  
3 Stars