F150
The In-Line Four 150 is one that started it all and it’s more popular than ever. Powerful, light, and compact, it’s mechanical or digital compatible and uses integrated steering, making it more streamlined and responsive than ever before.
- Comes with integrated electro-hydraulic steering for digital models and integrated hydraulic steering for mechanical models
- Only 509 pounds (20” shaft DEC model)
- Available in 20” or 25” shafts
- Powerful 50-amp alternator (2.8-liter digital) or 35-amp alternator (2.7-liter mechanical)
- Digital F150 available in signature Yamaha gray, pearlescent white, and classic white
- Mechanical F150 available in signature Yamaha gray


SPECIFICATIONS
- Weight *: 20” Mechanical 231kg (509 lbs) 20” DEC 237kg (522 lbs)
- Full Throttle RPM Range: 5000 ~ 6000 rpm
- Fuel Induction System: EFI
- Recommended Engine Oil: Yamalube® 4M (See owner's manual)
- 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
- Alternator Output at W.O.T.: 35 / 50 Amp
- Compression Ratio: 9.0:1 / 10.3:1
- Recommended Fuel: Octane 87 / Octane 89
- 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
- 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°
- Mounting Centers: 26"
- Steering:
- Steering Angle (maximum): 30° from center, either direction
- Warranty: Limited 3 Year Limited Pleasure Boat - 1 Year Limited Commercial
*Weight refers to shortest shaft length, and is measured without motor oil, gearcase oil and propeller (except models 25 hp and under, which include a standard propeller). All Jet model weights include the jet pump assembly (weight estimated).
COMPATIBILITY
The In-Line Four 150 is compatible with a range of mechanical or digital controls, gauges, and props to suit your preference for performance, control, and the display of data. Explore compatible components below and contact your dealer for rigging expertise.
Compatible Controls:
Helm Master® EX
Digital Controls
Mechanical Controls
Compatible Gauges:
CL5 Touchscreen Display
Digital and Analog Gauges
PERFORMANCE BULLETINS
FEATURES & BENEFITS
Power and Performance:
Impressive Power-To-Weight
Optimum Power
Better Charging
Quick Acceleration
Powerful Hole Shot
Convenience and Control:
New Power-Assisted Tiller
Repower Ready
Variable Trolling
Easy Engine Flushing
Quieter Operation

RELIABILITY & DURABILITY
CORROSION RESISTANCE
Combined with our proprietary alloy (YDC-30), our exclusive Phaze Five™ electro-deposited, anti-corrosive paint system provides a tough, five-layer barrier against corrosion. This protection is standard on all Yamaha In-Line Fours.