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.
Features:
Tiller steering
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
Single overhead camshaft
Battery-less electronic fuel injection
Wide-span mounting system
High-output (16A) alternator
45 deg. steering in both directions
Built-In resting pads and carry handles
Variable trolling RPM switch (VTSTM )
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 and 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
Ignition: CDI microcomputer
Lubrication: wet sump
Degree of tilt (power trim and tilt):
-3 deg. through +16 deg. (PTT)
3 deg. through +63 deg. (PTT)
Degree of tilt (manual tilt):
4 positions (manual tilt)
-4 through deg. (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: Fuel tank not included.
Owner’s Manual (6.05 MB)
