| Brand |
MERCURY
|
Honda
|
| Model |
F8 4S
|
BF9.9
|
|
Power
|
8HP
|
9HP
|
|
Rated Speed
|
5000r/min
|
5000r/min
|
|
Cylinders Arrangement/Number
|
2
|
2
|
|
Displacement
|
209cm3
|
222cm3
|
|
Weight
|
38kg
|
49.5kg
|
|
Bore
|
55mm
|
58mm
|
|
Stroke
|
44mm
|
42mm
|
|
Cooling
|
Freshwater thermostatic control
|
Water Cooled
|
|
Gear Ratio
|
2.08:1
|
2.33:1
|
|
ShaftLength
|
15 or 20/381 or 508(in/mm)
|
15 or 20 or 25/381 or 508 or 6(in/mm)
|
|
Gears
|
F N R
|
F N R
|
|
Alternator
|
6-amp/76-watt available
|
Electric 12 Amps (148 Watts) Manual 6 Amps (76 Watts)
|
|
Ignition
|
CDI w/electric spark advance
|
Programmed Ignition System
|
|
Starter
|
Manual or electric
|
Manual/Electric
|
|
Exhaust
|
Through prop
|
Through prop
|
|
Trim
|
5 positions
|
5 stages
|
|
FuelInduction
|
2-valve single overhead cam
|
Single Venturi
|
|
Lubrication
|
Pressurized wet sump
|
Wet Sump
|
|
Steering
|
Tiller
|
Remote or tiller
|
|
Engine Type
|
8 HP 4-STROKE
|
9.9 HP 4-STROKE
|
|
Outboard
|
Outboard
|
Outboard
|
