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Yamaha F2.5 Portable 15 in. Tiller MS
Yamaha F2.5 Portable 15 in. Tiller MS

Specs

General Information

Manufacturer
Yamaha
Yamaha
Model
F2.5 Portable 15 in. Tiller MS
F2.5 Portable 15 in. Tiller MS
Model Code
F2.5SMHB
F2.5SMHB
Color
Signature Yamaha Gray
Signature Yamaha Gray

Engine

Cylinders
1
1
Ignition
TCI
TCI
Starting
Manual
Manual
Exhaust
Above propeller
Above propeller

Measurements

Power
2.5 Horsepower
2.5 Horsepower
Displacement
72 Cubic Centimeter
72 Cubic Centimeter
Bore x Stroke
2.13 x 1.24 in. (54 x 31.5 mm)
2.13 x 1.24 in. (54 x 31.5 mm)
Shaft Length
15"
15"

Operational

Steering
Angle (maximum) - 360° from center, either direction
Angle (maximum) - 360° from center, either direction
Fuel Type
Unleaded
Unleaded
Use
Fresh and Salt Water
Fresh and Salt Water
Full Throttle RPM Range
5,250 - 5,750 rpm
5,250 - 5,750 rpm
Fuel Induction
Carburetor
Carburetor
Lubrication

Splash

Recommended Engine Oil - Yamalube® 4M (See owner's manual)

Engine Oil Capacity - 0.37 qt. (0.35 l)

Splash

Recommended Engine Oil - Yamalube® 4M (See owner's manual)

Engine Oil Capacity - 0.37 qt. (0.35 l)

Cooling
Recommended - Thermostatic control
Recommended - Thermostatic control
Gear Ratio
2.01:1
2.01:1
Gear Shift
Forward, Neutral, Reverse
Forward, Neutral, Reverse
Trim System

Degree of Tilt - 79°

Degree of Trim - -4° through +16°

Degree of Tilt - 79°

Degree of Trim - -4° through +16°

Propeller
Aluminum
Aluminum

Other

Warranty
Limited 3-year pleasure, 3-year government, 1-year commercial
Limited 3-year pleasure, 3-year government, 1-year commercial

Features

Convenience & Control

  • EASY STORAGE: Yamaha’s F2.5 feature our Easy Storage Oil Retention System. This pressurized oiling system prevents leaks, enabling on-side storage.
  • COMFORTABLE CONTROL: Incredibly nimble, the F2.5 features 360-degree steering with a dynamically balanced and dampened twist-grip throttle for comfort and convenient maneuverability.
  • PORTABILITY AND STORAGE: Built-in front and rear handles make these lightweights easy to carry. Resting pads and an easy oil retention system allow for convenient on-side storage without cowling scuffs or oil leakage.

Features

  • Prop Shaft Horsepower - 2.5 hp at 5,500 rpm
  • Compression Ratio - 8.8:1
  • Recommended Fuel - Octane 87
  • C.A.R.B. Rating - 2-Star
  • Intake - 2
  • Spark Plug - CR6HSB
  • Ethanol Blend Limit - 10% maximum
  • Compatible with Tiller Control
  • Standard Equipment - Tiller handle, integral fuel tank

Power & Performance

  • LIGHTWEIGHT, PORTABLE POWER: They may weigh as little as 37 pounds, but these Overhead-Valve portable outboards are packed with features that create smooth, quiet power. This includes a CDI or TCI ignition system, an optimally balanced crankshaft, a long span mounting system and a labyrinth exhaust.
  • SURPRISING PERFORMANCE: The portable F2.5 all offer impressive features like electronic ignition, thermostatic cooling and 180-degree steering.

Reliability & Durability

  • EASY OPERATION: The F2.5 feature built-in, see through fuel tanks.
  • WET SUMP: A pressurized oil delivery system that incorporates a compact and durable oil pump to keep all of the moving parts of their Overhead Valve systems lubricated and running smoothly for maximum reliability.
  • MAXIMUM EFFICIENCY: The F2.5 have a carburetor with a factory-selected setting for maximum efficiency, which helps them achieve a C.A.R.B. Three-Star Rating for Ultra-Low Emissions. Additionally, automatic decompression, built-in auxiliary priming and start-in-gear prevention help make for easier starts.
  • CORROSION PROTECTION: Combined with our proprietary alloy (YDC-30), our exclusive Phaze Five™ electro-deposited, anti-corrosive paint system provides a tough, five-layer barrier against corrosion. This protection is standard on all Yamaha Portable outboards.

Convenience & Control

  • EASY STORAGE: Yamaha’s F2.5 feature our Easy Storage Oil Retention System. This pressurized oiling system prevents leaks, enabling on-side storage.
  • COMFORTABLE CONTROL: Incredibly nimble, the F2.5 features 360-degree steering with a dynamically balanced and dampened twist-grip throttle for comfort and convenient maneuverability.
  • PORTABILITY AND STORAGE: Built-in front and rear handles make these lightweights easy to carry. Resting pads and an easy oil retention system allow for convenient on-side storage without cowling scuffs or oil leakage.

Features

  • Prop Shaft Horsepower - 2.5 hp at 5,500 rpm
  • Compression Ratio - 8.8:1
  • Recommended Fuel - Octane 87
  • C.A.R.B. Rating - 2-Star
  • Intake - 2
  • Spark Plug - CR6HSB
  • Ethanol Blend Limit - 10% maximum
  • Compatible with Tiller Control
  • Standard Equipment - Tiller handle, integral fuel tank

Power & Performance

  • LIGHTWEIGHT, PORTABLE POWER: They may weigh as little as 37 pounds, but these Overhead-Valve portable outboards are packed with features that create smooth, quiet power. This includes a CDI or TCI ignition system, an optimally balanced crankshaft, a long span mounting system and a labyrinth exhaust.
  • SURPRISING PERFORMANCE: The portable F2.5 all offer impressive features like electronic ignition, thermostatic cooling and 180-degree steering.

Reliability & Durability

  • EASY OPERATION: The F2.5 feature built-in, see through fuel tanks.
  • WET SUMP: A pressurized oil delivery system that incorporates a compact and durable oil pump to keep all of the moving parts of their Overhead Valve systems lubricated and running smoothly for maximum reliability.
  • MAXIMUM EFFICIENCY: The F2.5 have a carburetor with a factory-selected setting for maximum efficiency, which helps them achieve a C.A.R.B. Three-Star Rating for Ultra-Low Emissions. Additionally, automatic decompression, built-in auxiliary priming and start-in-gear prevention help make for easier starts.
  • CORROSION PROTECTION: Combined with our proprietary alloy (YDC-30), our exclusive Phaze Five™ electro-deposited, anti-corrosive paint system provides a tough, five-layer barrier against corrosion. This protection is standard on all Yamaha Portable outboards.