| Brand |
Yamaha
|
Evinrude
|
| Model |
F50F
|
E55M
|
|
Power
|
50HP
|
55HP
|
|
Rated Speed
|
5000r/min
|
5500r/min
|
|
Cylinders Arrangement/Number
|
4
|
2
|
|
Displacement
|
996cm3
|
864cm3
|
|
Weight
|
110kg
|
132kg
|
|
Bore
|
65mm
|
91mm
|
|
Stroke
|
75mm
|
66mm
|
|
Cooling
|
|
Pressure and Temperature Controlled Water Cooled
|
|
Gear Ratio
|
1.85:1
|
2.67:1
|
|
ShaftLength
|
(in/mm)
|
20/508(in/mm)
|
|
Gears
|
|
F N R
|
|
Alternator
|
12V - 17A
|
81 Amps Total Output / 25 Amps Net Dedicated
|
|
Ignition
|
TCI/Computer
|
|
|
Starter
|
Electric
|
Rope
|
|
Exhaust
|
|
Through prop
|
|
Trim
|
Power Trim & Tilt (FET), Hydro tilt assist (FED)
|
Manual Tilt w/Assist Cylinder
|
|
FuelInduction
|
Electronic Fuel Injection
|
Direct Fuel Injection w/stratified low RPM combustion mode
|
|
Lubrication
|
Wet sump
|
Multi-point, targeted oiling
|
|
Steering
|
|
Tiller (Drop Down Handle)
|
|
Engine Type
|
50 HP 4-STROKE
|
55 HP MULTI-FUEL
|
|
Outboard
|
Outboard
|
Outboard
|
