| Brand |
Yamaha
|
Honda
|
| Model |
8HP
|
BF9.9
|
|
Power
|
8HP
|
9HP
|
|
Rated Speed
|
4500r/min
|
5000r/min
|
|
Cylinders Arrangement/Number
|
2
|
2
|
|
Displacement
|
165cm3
|
222cm3
|
|
Weight
|
27kg
|
49.5kg
|
|
Bore
|
|
58mm
|
|
Stroke
|
|
42mm
|
|
Cooling
|
|
Water Cooled
|
|
Gear Ratio
|
2.08:1
|
2.33:1
|
|
ShaftLength
|
15/381(in/mm)
|
15 or 20 or 25/381 or 508 or 6(in/mm)
|
|
Gears
|
|
F N R
|
|
Alternator
|
6A
|
Electric 12 Amps (148 Watts) Manual 6 Amps (76 Watts)
|
|
Ignition
|
CDI
|
Programmed Ignition System
|
|
Starter
|
Manual
|
Manual/Electric
|
|
Exhaust
|
|
Through prop
|
|
Trim
|
|
5 stages
|
|
FuelInduction
|
Carb Cross Flow
|
Single Venturi
|
|
Lubrication
|
100:1 Premix
|
Wet Sump
|
|
Steering
|
|
Remote or tiller
|
|
Engine Type
|
8 HP 2-STROKE
|
9.9 HP 4-STROKE
|
|
Outboard
|
Outboard
|
Outboard
|
