Honda Outboard Motors
25HP - 90HP

   
BF90
BF75
BF50
BF40
BF30
BF25
Type  
4-Stroke SOHC
4 Cylinders/12 Valves
4-Stroke SOHC
3 Cylinders/6 Valves
Displacement
1,590cc
(97 cubic in.)
808cc
(49.3 cubic in.)
552cc
(33.7 cubic in.)
Bore & Stroke
75mm x 90mm
(3.0 x 3.5 in.)
70mm x 70mm
(2.8 x 2.8 in.)
61mm x 63mm
(2.4 x 2.5 in.)
Full Throttle RPM Range
5,000-6,000
RPM
5,500-6,500
RPM
5,000-6,000
RPM
5,700-6,200
RPM
5,000-6,000
RPM
Rated Power
90HP @ 5,500 RPM
75 HP @ 5,500 RPM
50HP @ 6,000 RPM
40HP @ 5,500 RPM
30HP @ 5,950 RPM
25HP @ 5,500 RPM
Cooling System
Water Cooled
Fuel Delivery
4 Carburetors
3 Carburetors
Ignition System
Digital CDI
PGM-IG
Starting System
Electric
Electric/Recoil
Exhaust
Through Hub
Drive
Gear Ratio  
2.30:1
2.08:1
Gear Shift
F-N-R
Equipment
   
BF90
BF75
BF50
BF40
BF30
BF25
Alternator
w/ voltage regulator

(Electric Start)

(Manual Start)
16-Amp
(202 watt)
-
10-Amp
(126 watt)
-

10-Amp
(126 watt)
4-Amp
(50 watt)

Propellor  
Optional
3-Blade Aluminum
Diameter x Pitch
 Standard
-
-
-
-
-
-
Power Tilt  
NA
PowerTrim & Tilt
Standard
Gas-Assisted Tilt
Standard
Oil Pressure Alert
Standard
Temperature Alert
Standard
Rev-Limiter
Standard
Speedometer Pickup
Standard
-
-
Dimensions
   
BF90
BF75
BF50
BF40
BF30
BF25
Overall Width  
481mm/18.9 in.
370mm/14.6 in.
375mm/14.8 in.
Recommended
Transom Height 		(S-Type)
-
-
-
-
381mm/15 in.
(L-Type)
507mm/20 in.
(X-Type)
635mm/25 in.
-
(XX-Type)
-
-
-
-
-
Dry Weight (S-Type)
-
-
-
-
75.5kg/166 lbs
70.5kg/155 lbs
(L-Type)
169kg/373 lbs
93kg/205 lbs
72.5kg/160 lbs
(X-Type)
174kg/384 lbs
97kg/213 lbs
-
-
-
(XX-Type)
-
-
-
-
-
-
CARB 2008 RATING  
3 Stars