Yamaha / FourStroke
Yamaha F300
Our 4.2-liter F300 is a reliable, offshore favorite—and it's only getting better.
All Yamaha outboards

FourStroke
F300
- Power
- 300 hp
- Configuration
- V6
- Displacement
- 4.2L
- Weight
- 250 kg (551 lbs) / 254 kg (562 lbs) / 265 kg (588 lbs)
Authorized
dealer
View on Yamaha site About this engine
Our 4.2-liter F300 is a reliable, offshore favorite—and it's only getting better. It now features a fresh, new cowling design (with engine-mounted Propeller Indicator Lights if rigged with Helm Master® EX), new integrated digital electric steering*, and rerouted exhaust for enhanced reverse thrust. It’s destined to be a top choice offshore for years to come.
Key features
- 4.2 Liter Big Bore Displacement
- Fuel Efficiency
- Light Weight
- Throttle Response & Acceleration
- Responsive Electric Steering
- Precise and Convenient Trolling
- More Functionality / Security
- Top Speed and Smooth Shifting
- Fast, Easy Tilting
- Powerful, Precise Maneuvering
Full specifications
- Weight †
- 250 kg (551 lbs) / 254 kg (562 lbs) / 265 kg (588 lbs)
- Full Throttle RPM Range
- 5000 ~ 6000 rpm
- Fuel Induction System
- EFI
- Recommended Engine Oil
- Yamalube® 4M (See owner's manual)
- Engine Type
- V6
- Displacement
- 4.2L
- Bore x Stroke
- 96 x 96mm (3.78 x 3.78 in)
- Prop Shaft Horsepower
- 300hp at 5500 rpm
- Alternator Output at W.O.T.
- 50 - 70 Amp
- Compression Ratio
- 10.3:1
- Recommended Fuel
- Octane 89
- Recommended Fuel Filtration
- Yamaha 10-Micron Fuel / Water Separating Filter (external)
- C.A.R.B. Rating
- 3-Star
- Exhaust
- Through Propeller
- Intake
- 24
- Ignition
- TCI Microcomputer
- Spark Plug
- LFR6A-11
- Starting System
- Electric
- Lubrication
- Wet Sump
- Engine Oil Capacity
- 6.3L/6.0L
- Recommended Cooling
- Thermostatic Control
- Ethanol Blend Limit
- 10% Maximum
- Gear Ratio
- 1.75:1
- Gear Shift
- Forward, Neutral, Reverse
- Shaft Length
- 25" - 30" - 35" (F300 DEC Only)
- Degree of Tilt
- Mechanical 67°, Digital Electric Steering 69°, Bolt-on steering 70°
- Degree of Trim
- -3° through +16°
- Mounting Centers
- 28.5"
- Steering
- Integrated, Electric Actuation
- Steering Angle (maximum)
- 32° from center, either direction
- Warranty
- Limited 3-Year Pleasure, 3-Year Government, 1-Year Commercial























