Yamaha

Yamaha / FourStroke

Yamaha F150

The In-Line Four 150 is one that started it all and it’s more popular than ever.

All Yamaha outboards
Yamaha F150

FourStroke

F150

Power
150 hp
Configuration
Inline 4
Displacement
2.7L (Mechanical) / 2.8L (DEC)
Weight
20” Mechanical 231kg (509 lbs) 20” DEC 237kg (522 lbs)
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About this engine

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.

Key features

  • Impressive Power-to-Weight
  • Optimum Power
  • Better Charging
  • Quick Acceleration
  • Powerful Hole Shot
  • NEW POWER-ASSISTED TILLER
  • Repower Ready
  • Variable Trolling
  • Easy Engine Flushing
  • Quieter Operation

Full 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 Angle (maximum)
30° from center, either direction
Warranty
Limited 3 Year Limited Pleasure Boat - 1 Year Limited Commercial