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150 FourStroke

Brief Summary

The Mercury 150-hp FourStroke outboard has the low-end torque of a two-stroke and the fuel-efficiency that made four-strokes popular. It is the lightest outboard in class at just 455 lbs. (206.8 kgs.) With this model, Mercury Marine moved heaven and earth to make her durable in saltwater…or anywhere else.

Key Features

  • Large displacement for "out of the hole" performance
  • Compact design
  • Fewer parts
  • Quiet operation
  • Tested in all conditions for all-around performance
  • Stainless steel components for corrosion protection and durability
  • 60 amp alternator has greater charging for longer battery life
  • 3-year corrosion warranty


Type of Engine 4-Stroke
Number of Cylinders 4
Horse Power 150
Configuration In-line
Weight 455.00lbs
Fuel Type Gasoline
Fuel Delivery Fuel Injected
Shaft Length Options 20'' (508 mm) / 25'' (635 mm)
Shift Throttle Control Cable
Displacement 183.00cu in
Steering Control
Recommended Fuel Unleaded Regular 87 Octane Minimum
Alternator Output 60 amp / 75 watt
CARB Rating
Engine Monitoring System Standard

Captain's Report