| Brand |
MERCURY
|
Yamaha
|
| Model |
175 OPTIMAX
|
150HP
|
|
Power
|
175HP
|
150HP
|
|
Rated Speed
|
5500r/min
|
4500r/min
|
|
Cylinders Arrangement/Number
|
V6 (60 degrees)
|
V6 (90 degrees)
|
|
Displacement
|
2507cm3
|
2596cm3
|
|
Weight
|
195kg
|
194kg
|
|
Bore
|
89mm
|
|
|
Stroke
|
67mm
|
|
|
Cooling
|
Water-cooled with thermostat & pressure-controlled
|
|
|
Gear Ratio
|
1.87:1
|
1.86:1
|
|
ShaftLength
|
20 or 25/508 or 635(in/mm)
|
25/635(in/mm)
|
|
Gears
|
F N R
|
|
|
Alternator
|
60-amp/756-watt belt-driven
|
25A
|
|
Ignition
|
PCM 07 multi-strike
|
CDI/Computer
|
|
Starter
|
Electric (turn-key)
|
Electric
|
|
Exhaust
|
Through prop
|
|
|
Trim
|
Power trim
|
|
|
FuelInduction
|
2-stage direct fuel injection
|
Carb Loop Charged
|
|
Lubrication
|
Electronic multipoint oil injection
|
Precision Blend Oil Injection
|
|
Steering
|
Remote
|
|
|
Engine Type
|
175 HP PRO XS
|
150 HP 2-STROKE
|
|
Outboard
|
Outboard
|
Outboard
|
