Yamaha 25 HP Tiller Outboard Motor – F25 – 2023

Yamaha’s F25 is so light, powerful, and feature-rich that it won a coveted NMMA® Innovation Award shortly after introduction. As the lightest 25 horsepower outboard available—two-stroke or four-stroke—it features the highest power to weight ratio in its class and several very popular models to choose from including power trim and tilt, tiller or remote and short or long shafts.

Features:

• CDI Microcomputer
• Wet Sump Lubrication
• Engine Warning System
• Mechanical Single Throttle Valve Intake System
• SST Drive, Prop, Shift Shafts
• SST Steering Tube
• Magnetic Drain Plug
• Sacrificial Anodes
• YDC-30 Aluminum Alloy
• Phaze Five™ Paint System
• Electro-deposited Powerhead Paint Process
• New Light-weight, Compact, Powerful Design
• Single Overhead Camshaft
• Battery-less Electronic Fuel Injection
• Wide-Span Mounting System
• High-Output (16A) Alternator
• Electric and Pull-Start Available Together (some models)
• Retrofit Electric Start Available
• 45-Degree Steering in both Directions
• Built-In Resting Pads and Carry Handles
• Variable Trolling RPM Switch (VTSTM )
• Power Trim & Tilt (LWTC model)
• Freshwater Flush
• Spin-on Oil Filter
• Offset Steering Friction Lever
• Auto Decompression Device
• Vibration Reduction Mounting System
• C.A.R.B. Ultra Low Emissions 3 Star Rating
• Meets All Current Federal EPA Emission Standards
• External Oil Drain Plug

Specifications:

• Engine Type: Two-Cylinder, In-line
• Displacement: 432 cc
• Bore & Stroke: 5 x 65.1 mm (2.554 x 2.558″)
• Rpm Range: 5000-6000
• Compression Ratio: 9.3:1
• Induction System: SOHC, 2 valves per cylinder
• Alternator Output: 16A
• Fuel Delivery: Battery less EFI
• Starting: rope or electric
• Ignition: CDI Microcomputer
• Lubrication: Wet sump
• Degree of tilt (power trim and tilt):
  • -3° through +16° (PTT)
  • 3° through +63° (PTT)
• Degree of tilt (manual tilt):
  • 4 positions (manual tilt)
  • -4 through +62° (manual tilt)
• Exhaust: Through Propeller
• Cooling: Water/Thermostatic Control
• Gear Shift: F/N/R
• Gear Ratio: 27:13 / 2.08:1
• Recommended Fuel: Regular Unleaded (Minimum Pump Octane 87)
• Recommended Oil: Yamalube® 4-M 10w-30
• Shaft Length: 15″ or 20″
• Dry Weight: 57-67 kg (126-147 lbs)
• Standard Propeller: 3-Blade Aluminum (9 7/8″ x 11 1/4″)
• Fuel Line Included
• Factory Warranty: 3 years. Warranty begins on date of purchase.

Note: External fuel tank not included.

Owner’s Manual (6.05 MB)