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Yamaha F9.9 Portable 15 in. Mechanical
Yamaha F9.9 Portable 15 in. Mechanical

General Information

Manufacturer
Yamaha
Yamaha
Model
F9.9 Portable 15 in. Mechanical
F9.9 Portable 15 in. Mechanical
Model Code
NA
NA
Color
Pearlescent White
Pearlescent White

Electrical

Alternator Output
At W.O.T. - 6A
At W.O.T. - 6A

Engine

Cylinders
2
2
Ignition
CDI Microcomputer
CDI Microcomputer
Starting
Electric and manual
Electric and manual
Exhaust
Through propeller
Through propeller

Measurements

Power
9.9 Horsepower
9.9 Horsepower
Displacement
212 Cubic Centimeter
212 Cubic Centimeter
Bore x Stroke
2.20 x 1.70 in. (56 x 43 mm)
2.20 x 1.70 in. (56 x 43 mm)
Shaft Length
15"
15"
Dry Weight
87 lbs
87 lbs

Operational

Steering

Mechanical

Angle (maximum) - 43° from center, either direction

Mechanical

Angle (maximum) - 43° from center, either direction

Fuel Type
Unleaded
Unleaded
Full Throttle RPM Range
5,000 - 6,000 rpm
5,000 - 6,000 rpm
Fuel Induction
Carburetor
Carburetor
Lubrication

Wet sump

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

Engine oil capacity - 0.8 qt. (0.8 l)

Wet sump

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

Engine oil capacity - 0.8 qt. (0.8 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 trim - -4° through +16°

Other

Additional Colors

Pearlescent White

Yamaha Gray

Pearlescent White

Yamaha Gray

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

Convenience and Control

  • SMART EVOLUTION: The F9.9 and F8 feature a shorter handle for more comfortable operation. This also ensures that when the handle in hinged back, it tucks in tighter to the cowl for more stable, flexible storage.
  • 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.
  • PROPELLER PROTECTION: Yamaha's Shallow Water Drive, standard on all 9.9- and 8-hp tiller handle models, helps keep the propeller and lower unit out of harm's way in shallow water.

Features

  • Prop shaft horsepower - 9.9 hp @ 5,500 rpm
  • Compression ratio - 9.4:1
  • 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 - BR6HS-10
  • Ethanol blend limit - 10% maximum
  • Degree of tilt - 71°
  • Compatible controls - Mechanical
  • Compatible gauges - Digital and analog

Power and Performance

  • COMPACT, LIGHTWEIGHT DESIGN: A two-cylinder, single-overhead-camshaft platform and streamlined intake manifold provides an efficient, light design.
  • RESPONSIVE ACCELERATION: An acceleration pump on the F9.9 and F8 gives these engines the fuel they need--when they need it--like during rapid throttle advance. This ensures responsive acceleration.
  • STREAMLINED INTAKE: An intake silencer and manifold on the F9.9 and F8 result in more direct airflow, for minimum noise and maximum power.

Reliability & Durability

  • SOLID AND DEPENDABLE: Incoming air is routed through the Air Intake Labyrinth System that traps and drains water before it enters the engine's intake for maximum reliability.
  • OPTIMAL OPERATION: A 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.
  • 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.
  • CORROSION PROTECTION: Combined with our proprietary alloy (YDC-30), our exclusive Phaze Five™ anti-corrosive paint system provides a tough, five-layer barrier against corrosion. This protection is standard on all Yamaha outboards.

Convenience and Control

  • SMART EVOLUTION: The F9.9 and F8 feature a shorter handle for more comfortable operation. This also ensures that when the handle in hinged back, it tucks in tighter to the cowl for more stable, flexible storage.
  • 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.
  • PROPELLER PROTECTION: Yamaha's Shallow Water Drive, standard on all 9.9- and 8-hp tiller handle models, helps keep the propeller and lower unit out of harm's way in shallow water.

Features

  • Prop shaft horsepower - 9.9 hp @ 5,500 rpm
  • Compression ratio - 9.4:1
  • 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 - BR6HS-10
  • Ethanol blend limit - 10% maximum
  • Degree of tilt - 71°
  • Compatible controls - Mechanical
  • Compatible gauges - Digital and analog

Power and Performance

  • COMPACT, LIGHTWEIGHT DESIGN: A two-cylinder, single-overhead-camshaft platform and streamlined intake manifold provides an efficient, light design.
  • RESPONSIVE ACCELERATION: An acceleration pump on the F9.9 and F8 gives these engines the fuel they need--when they need it--like during rapid throttle advance. This ensures responsive acceleration.
  • STREAMLINED INTAKE: An intake silencer and manifold on the F9.9 and F8 result in more direct airflow, for minimum noise and maximum power.

Reliability & Durability

  • SOLID AND DEPENDABLE: Incoming air is routed through the Air Intake Labyrinth System that traps and drains water before it enters the engine's intake for maximum reliability.
  • OPTIMAL OPERATION: A 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.
  • 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.
  • CORROSION PROTECTION: Combined with our proprietary alloy (YDC-30), our exclusive Phaze Five™ anti-corrosive paint system provides a tough, five-layer barrier against corrosion. This protection is standard on all Yamaha outboards.