| Brand |
MERCURY
|
Yamaha
|
| Model |
F40 BIGFOOT
|
F40JET
|
|
Power
|
40HP
|
40HP
|
|
Rated Speed
|
5500r/min
|
5000r/min
|
|
Cylinders Arrangement/Number
|
4
|
3
|
|
Displacement
|
995cm3
|
747cm3
|
|
Weight
|
118kg
|
101kg
|
|
Bore
|
65mm
|
|
|
Stroke
|
75mm
|
|
|
Cooling
|
Water-cooled w/thermostat
|
|
|
Gear Ratio
|
2.33:1
|
|
|
ShaftLength
|
20/508(in/mm)
|
20/508(in/mm)
|
|
Gears
|
F N R
|
|
|
Alternator
|
18-amp/223-watt
|
16A
|
|
Ignition
|
ECM 555 Digital Inductive
|
CDI/Computer
|
|
Starter
|
Electric (Turn key)
|
Manual or Electric
|
|
Exhaust
|
Through prop
|
|
|
Trim
|
Power trim
|
|
|
FuelInduction
|
2-Valve per Cylinder, Single Overhead Cam (SOHC)
|
SOHC
|
|
Lubrication
|
Integrated Wet Sump
|
Wet sump
|
|
Steering
|
Remote
|
|
|
Engine Type
|
40 HP BIGFOOT
|
40 HP JET DRIVE
|
|
Outboard
|
Outboard
|
Outboard
|
