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Yamaha F8 Portable Tiller 20
Yamaha F8 Portable Tiller 20

Specs

General Information

Manufacturer
Yamaha
Yamaha
Model
F8 Portable Tiller 20
F8 Portable Tiller 20
Model Code
F8LMHB
F8LMHB
Color
Gray
Gray

Electrical

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

Engine

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

Measurements

Power
8 Horsepower
8 Horsepower
Displacement
212 Cubic Centimeter
212 Cubic Centimeter
Bore x Stroke
56 x 43 mm (2.20 x 1.70 in.)
56 x 43 mm (2.20 x 1.70 in.)
Shaft Length
20"
20"
Dry Weight
89 lbs
89 lbs

Operational

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

Wet sump

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

Engine oil capacity - 0.8 l

Wet sump

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

Engine oil capacity - 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 tilt - 71°

Degree of trim - -4° through +16°

Degree of tilt - 71°

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

  • SMART EVOLUTION: The 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 8-hp tiller handle models, helps keep the propeller and lower unit out of harm's way in shallow water.

Features

  • PORTABILITY, PLUS DISPLACEMENT: Yamaha’s 8-hp Portable has stepped up its displacement to 212cc, joining its 9.9-hp big bro. Still, both feature light weights under 90 pounds, for one of the most impressive power-to-weight ratios in the horsepower class.
  • PROP SHAFT HORSEPOWER: 8 hp at 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

Power & 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 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 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 2,000), 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 four-stroke outboards.

Tiller handle

  • Tiller handle

Convenience & Control

  • SMART EVOLUTION: The 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 8-hp tiller handle models, helps keep the propeller and lower unit out of harm's way in shallow water.

Features

  • PORTABILITY, PLUS DISPLACEMENT: Yamaha’s 8-hp Portable has stepped up its displacement to 212cc, joining its 9.9-hp big bro. Still, both feature light weights under 90 pounds, for one of the most impressive power-to-weight ratios in the horsepower class.
  • PROP SHAFT HORSEPOWER: 8 hp at 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

Power & 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 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 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 2,000), 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 four-stroke outboards.

Tiller handle

  • Tiller handle