Yamaha / High Thrust
Yamaha F25 High Thrust
Our 432-cc 25-hp High Thrust outboard boasts the best power-to-weight ratio of any high-thrust 25 horsepower outboard on the water.
All Yamaha outboards
High Thrust
F25 High Thrust
- Power
- 25 hp
- Configuration
- 2 cyl
- Displacement
- 432cc
- Weight
- 64kg (141 lbs) / 70kg (154 lbs)
Authorizeddealer
View on Yamaha site dealerAbout this engine
Our 432-cc 25-hp High Thrust outboard boasts the best power-to-weight ratio of any high-thrust 25 horsepower outboard on the water. It features no-battery-required Electronic Fuel Injection and electric and manual start on all models. With 20- and 25-inch shaft lengths and our Variable Trolling RPM Switch (VTS®) for slower trolling than in-gear idle, it’s a flexible fishing machine.
Key features
- More Thrust
- Max Muscle
- Optimum Performance
- Single Overhead Camshaft
- Fuel Economy
- ERGONOMIC CONTROL
- EASY ENGINE FLUSHING
Full specifications
- Weight †
- 64kg (141 lbs) / 70kg (154 lbs)
- Full Throttle RPM Range
- 5000 ~ 6000 rpm
- Fuel Induction System
- Electronic Fuel Injection
- Recommended Engine Oil
- Yamalube® 4M (See owner's manual)
- Engine Type
- 2 cyl
- Displacement
- 432cc
- Bore x Stroke
- 65 x 65.1mm (2.554 x 2.558 in.)
- Prop Shaft Horsepower
- 25hp @ 5500rpm
- Alternator Output at W.O.T.
- 16 Amp
- Compression Ratio
- 9.3:1
- Recommended Fuel
- Octane 87
- Recommended Fuel Filtration
- Yamaha 10-Micron Fuel/Water Separating Filter (external)
- C.A.R.B. Rating
- 2-Star
- Exhaust
- Through Propeller
- Intake
- 4
- Ignition
- CDI Microcomputer
- Spark Plug
- DPR6EB-9
- Starting System
- Electric and Manual
- Lubrication
- Wet Sump
- Engine Oil Capacity
- 1.1L/1.0L
- Recommended Cooling
- Thermostatic Control
- Ethanol Blend Limit
- 10% Maximum
- Gear Ratio
- 2.08:1
- Gear Shift
- Forward, Neutral, Reverse
- Shaft Length
- 20" or 25"
- Degree of Tilt
- 63°
- Degree of Trim
- -3° through +16°
- Mounting Centers
- N/A
- Steering Angle (maximum)
- 45° from center, either direction
- Warranty
- Limited 3 Year Limited Pleasure Boat - 1 Year Limited Commercial
