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Yamaha 150 HP 4 Stroke Outboard Motor Engine

Engine Type: Inline 4
Displacement: 2.7L (Mechanical) / 2.8L (DEC)
Bore x Stroke: 94 x 96.2 (3.70 x 3.79in) - 96 x 96.2mm (3.78 x 3.79in)
Prop Shaft Horsepower: 150hp @ 5500 rpm
Full Throttle RPM Range: 5000 ~ 6000 rpm
Alternator Output at W.O.T.: 35 - 50 Amp
Compression Ratio: 9.0:1 & 10.3:1
Fuel Induction System: EFI
Weight*: 20" shaft / 217kg (478 lbs), 25" shaft / 221kg (487 lbs)
Recommended Fuel: Octane 87 & Octane 89
Recommended Engine Oil: Yamalube® 4M (See owner's manual)
Recommended Fuel Filtration: Yamaha 10 Micron Fuel/Water Separating Filter (external)
C.A.R.B. Rating: 3-Star
Exhaust: Through Propeller
Intake: 16
Ignition: TCI Microcomputer
Spark Plug: NGK-LFR6A-11 & LFR5A-11
Alternator Output: 35 - 50 Amp
Starting System: Electric
Lubrication: Wet Sump
Engine Oil Capacity: 4.5L/4.3L
Recommended Cooling: Thermostatic Control
Ethanol Blend Limit: 10% Maximum
Gear Ratio: 2.00:1
Gear Shift: F-N-R
Shaft Length: 20" - 25"
Degree of Tilt: 70°
Degree of Trim: -4° through +16°
Dry Weight: 217kg (478 lbs) - 222kg (489 lbs)
Mounting Centers: 26"

Steering
Steering Angle (maximum): 32° from center, either direction
Warranty: Limited 4 Year Limited Pleasure Boat - 2 Year Limited Commercial