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Yamaha F15 Portable Tiller 20
Yamaha F15 Portable Tiller 20

Specs

General Information

Manufacturer
Yamaha
Yamaha
Model
F15 Portable Tiller 20
F15 Portable Tiller 20
Model Code
F15SMHA
F15SMHA
Color
Gray
Gray

Electrical

Alternator Output
At W.O.T. - 10 A
At W.O.T. - 10 A

Engine

Engine Type
2 cylinder
2 cylinder
Ignition
CDI
CDI
Starting
Manual
Manual
Exhaust
Through propeller
Through propeller

Measurements

Power
15 Horsepower
15 Horsepower
Displacement
362 Cubic Centimeter
362 Cubic Centimeter
Bore x Stroke
63 x 58.1 mm (2.48 x 2.29 in.)
63 x 58.1 mm (2.48 x 2.29 in.)
Shaft Length
20"
20"
Dry Weight
132 lbs
132 lbs

Operational

Steering
Angle (maximum) - 45° from center, either direction
Angle (maximum) - 45° from center, either direction
Fuel Type
Unleaded
Unleaded
Use
Fresh and Salt Water
Fresh and Salt Water
Full Throttle RPM Range
5,000 - 6,000 rpm
5,000 - 6,000 rpm
Fuel Induction
EFI
EFI
Lubrication

Wet sump

Recommended engine oil - Yamalube® 4M (See owner's manual)

Engine oil capacity with filter - 1.8 l

Engine oil capacity without filter - 1.6 l

Wet sump

Recommended engine oil - Yamalube® 4M (See owner's manual)

Engine oil capacity with filter - 1.8 l

Engine oil capacity without filter - 1.6 l

Cooling
Recommended - Thermostatic control
Recommended - Thermostatic control
Gear Ratio
2.08:1
2.08:1
Gear Shift
Forward, Neutral, Reverse
Forward, Neutral, Reverse
Trim System

Degree of trim - -4° through +16°

Degree of tilt - 67°- 71°

Degree of trim - -4° through +16°

Degree of tilt - 67°- 71°

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

  • 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 four-stroke outboards.
  • MAX MANEUVERABILITY: A 45-degree steering angle in each direction means great maneuvering potential.
  • EASY ENGINE FLUSHING: A Freshwater Flush Device allows you to flush the engine without running it, for added convenience and extended engine life.
  • PORTABILITY AND STORAGE: Incredible light weights, built-in resting pads and carry handles, an easy oil retention system and an optional folding tiller handle, allow for easy carrying and on-side storage without oil leakage or cowling scuffs.

Features

  • PROP SHAFT HORSEPOWER: 15 hp @ 5,500 rpm
  • 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: 3-Star
  • INTAKE: 4
  • SPARK PLUG: DPR6EB-9
  • ETHANOL BLEND LIMIT: 10% maximum

Power & Performance

  • EFFICIENT POWER: The F15 all feature a two-valve-per-cylinder, single-overhead-camshaft design that provides better breathing and more power.
  • OPTIMUM PERFORMANCE: An optimally balanced crankshaft and labyrinth exhaust deliver smooth power, while Microcomputer Ignition adjusts timing to maintain maximum engine performance, economy and power under all conditions
  • STREAMLINED INTAKE: An intake silencer and manifold on the F15 result in more direct airflow, for minimum noise and maximum power.
  • RESPONSIVE ACCELERATION: An acceleration pump on the F15 gives the engine the fuel it needs--when it needs it--like during rapid throttle advance. This ensures responsive acceleration.

Reliability & Durability

  • ENGINE WARNING SYSTEM: Protects the outboard with a range of functions including: overheat protection and low-oil-pressure warning (automatically reducing maximum RPM to 2000), over-rev protection, start-in-gear protection and shift-in prevention at open throttle.
  • OPTIMAL OPERATION: CDI Microcomputer Ignition monitors throttle position, engine speed and atmospheric conditions in order to precisely adjust ignition timing under all conditions for optimum ignition performance, ensuring smooth and reliable operation.
  • WET SUMP: A pressurized oil delivery system incorporates a compact and durable oil pump to keep all of the moving parts of their SOHC systems lubricated and running smoothly for maximum reliability.

Convenience & Control

  • 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 four-stroke outboards.
  • MAX MANEUVERABILITY: A 45-degree steering angle in each direction means great maneuvering potential.
  • EASY ENGINE FLUSHING: A Freshwater Flush Device allows you to flush the engine without running it, for added convenience and extended engine life.
  • PORTABILITY AND STORAGE: Incredible light weights, built-in resting pads and carry handles, an easy oil retention system and an optional folding tiller handle, allow for easy carrying and on-side storage without oil leakage or cowling scuffs.

Features

  • PROP SHAFT HORSEPOWER: 15 hp @ 5,500 rpm
  • 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: 3-Star
  • INTAKE: 4
  • SPARK PLUG: DPR6EB-9
  • ETHANOL BLEND LIMIT: 10% maximum

Power & Performance

  • EFFICIENT POWER: The F15 all feature a two-valve-per-cylinder, single-overhead-camshaft design that provides better breathing and more power.
  • OPTIMUM PERFORMANCE: An optimally balanced crankshaft and labyrinth exhaust deliver smooth power, while Microcomputer Ignition adjusts timing to maintain maximum engine performance, economy and power under all conditions
  • STREAMLINED INTAKE: An intake silencer and manifold on the F15 result in more direct airflow, for minimum noise and maximum power.
  • RESPONSIVE ACCELERATION: An acceleration pump on the F15 gives the engine the fuel it needs--when it needs it--like during rapid throttle advance. This ensures responsive acceleration.

Reliability & Durability

  • ENGINE WARNING SYSTEM: Protects the outboard with a range of functions including: overheat protection and low-oil-pressure warning (automatically reducing maximum RPM to 2000), over-rev protection, start-in-gear protection and shift-in prevention at open throttle.
  • OPTIMAL OPERATION: CDI Microcomputer Ignition monitors throttle position, engine speed and atmospheric conditions in order to precisely adjust ignition timing under all conditions for optimum ignition performance, ensuring smooth and reliable operation.
  • WET SUMP: A pressurized oil delivery system incorporates a compact and durable oil pump to keep all of the moving parts of their SOHC systems lubricated and running smoothly for maximum reliability.