CONVENIENCE & CONTROL

EASY STORAGE: Yamaha’s F4 feature our Easy Storage Oil Retention System. This pressurized oiling system prevents leaks, enabling on-side storage. YAMAHA F4 Portable Tiller
COMFORTABLE CONTROL: Incredibly nimble, the F4 feature 180-degree steering 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

COMPRESSION RATIO: 8.9:1
RECOMMENDED FUEL: Octane 87
C.A.R.B. RATING: 3-Star
INTAKE: 2
SPARK PLUG: CR6HSB
ETHANOL BLEND LIMIT: 10% maximum

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.
ULTRA-LOW EMISSIONS: The Portable F4 is California Air Resources Board (C.A.R.B.) Three-Star Rated for Ultra-Low Emissions and meet federal EPA requirements. The F4 also features a built-in fuel tank with the option of switchable access to an additional external tank for amazing extended range.
RECORD SETTING FUEL EFFICIENCY: Small motors use less fuel, but according to the Guinness Book of World Records, the Yamaha F4 actually set a world record for fuel efficiency, traveling 67.27 continuous statute miles on one gallon of gas.

Reliability & Durability

EASY OPERATION: The F4 feature built-in, see through fuel tanks.
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.
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 F4 has 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.

Specification

Manufacturer Yamaha
Model F4 Portable Tiller
Model Code F4LMHA
Color Black
Alternator OutputAt W.O.T. – 6 A
Engine Type 1 cylinder
Ignition CDI
Starting Manual
Exhaust Above propeller
Power4 Horsepower
Displacement 139 Cubic Centimeter
Bore x Stroke 62 x 46 mm (2.44 x 1.81 in.)
Shaft Length 20″

MEASUREMENT

Power 4 Horsepower
Displacement 139 Cubic Centimeter
Bore x Stroke 62 x 46 mm (2.44 x 1.81 in.)
Shaft Length 20″
Dry Weight 61 lbs

IMPRESSIVE LITTLE PERFORMERS

F4 also features a built-in fuel tank with the option of switchable access to an additional external tank for amazing extended range portable outboard mirrors our OHV F6 . The F4 also features a built-in fuel tank with the option of switchable access to an additional external tank for amazing extended range. There’s no stopping this little brute The F4 also feature switchable access to an optional, 3.1-gallon external fuel tank for extended range. The F4 also features a built-in fuel tank with the option of switchable access to an additional external tank for amazing extended range

Additionally, automatic decompression, built-in auxiliary priming and start-in-gear prevention help make for easier starts. The F4 also features a built-in fuel tank with the option of switchable access to an additional external tank for amazing extended range.

The F4 also features a built-in fuel tank with the option of switchable access to an additional external tank for amazing extended range.

Additionally, automatic decompression, built-in auxiliary priming and start-in-gear prevention help make for easier starts. The F4 also features a built-in fuel tank with the option of switchable access to an additional external tank for amazing extended range. 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. The F4 also feature switchable access to an optional, 3.1-gallon external fuel tank for extended range.

The F4 also features a built-in fuel tank with the option of switchable access to an additional external tank for amazing extended range.

The F4 also features a built-in fuel tank with the option of switchable access to an additional external tank for amazing extended range

SETTING FUEL EFFICIENCY RECORD: Small motors use less fuel, but according to the Guinness Book of World Records, the Yamaha F4 actually set a world record for fuel efficiency, traveling 67.27 continuous statute miles on one gallon of gas.

The outbreak of COVID-19 destructively pressed the break-in engine sales, making the sales almost standstill in leading economies.Small motors use less fuel. But according to the Guinness Book of World Records, the Yamaha F4 actually set a world record for fuel efficiency, traveling 67.27 continuous statute miles on one gallon of gas.