| Brand |
Honda
|
Yamaha
|
| Model |
BF50
|
50HP
|
|
Power
|
50HP
|
50HP
|
|
Rated Speed
|
5500r/min
|
4500r/min
|
|
Cylinders Arrangement/Number
|
3
|
3
|
|
Displacement
|
808cm3
|
698cm3
|
|
Weight
|
93kg
|
86kg
|
|
Bore
|
70mm
|
|
|
Stroke
|
70mm
|
|
|
Cooling
|
Water Cooled
|
|
|
Gear Ratio
|
2.08:1
|
1.85:1
|
|
ShaftLength
|
20 or 25/508 or 635(in/mm)
|
20/508(in/mm)
|
|
Gears
|
F N R
|
|
|
Alternator
|
Electric 10 Amps (126 Watts)
|
6A
|
|
Ignition
|
Programmed Ignition System
|
CDI
|
|
Starter
|
Electric
|
Electric
|
|
Exhaust
|
Through prop
|
|
|
Trim
|
-4? to +12?
|
|
|
FuelInduction
|
3 Venturi
|
Carb Loop Charged
|
|
Lubrication
|
Wet Sump
|
Precision Blend Oil Injection
|
|
Steering
|
Remote or tiller
|
|
|
Engine Type
|
50 HP 4-STROKE
|
50 HP 2-STROKE
|
|
Outboard
|
Outboard
|
Outboard
|
