| Brand |
Honda
|
Yamaha
|
| Model |
BF90
|
90HP
|
|
Power
|
90HP
|
90HP
|
|
Rated Speed
|
5300r/min
|
4500r/min
|
|
Cylinders Arrangement/Number
|
4
|
3
|
|
Displacement
|
1496cm3
|
1140cm3
|
|
Weight
|
163kg
|
119kg
|
|
Bore
|
73mm
|
|
|
Stroke
|
89.4mm
|
|
|
Cooling
|
Water Cooled
|
|
|
Gear Ratio
|
2.33:1
|
2.00:1
|
|
ShaftLength
|
20 or 25/508 or 635(in/mm)
|
20/508(in/mm)
|
|
Gears
|
F N R
|
|
|
Alternator
|
44 Amps (35 Amps Battery Charging)
|
10A
|
|
Ignition
|
Microcomputer Programmed
|
CDI/Computer
|
|
Starter
|
Electric
|
Electric
|
|
Exhaust
|
Through prop
|
|
|
Trim
|
-4? to +16?
|
|
|
FuelInduction
|
PGM-FI VTEC
|
Carb Loop Charged
|
|
Lubrication
|
Wet Sump
|
Precision Blend Oil Injection
|
|
Steering
|
Remote or tiller
|
|
|
Engine Type
|
90 HP 4-STROKE
|
90 HP 2-STROKE
|
|
Outboard
|
Outboard
|
Outboard
|
