Our 139-cc 6-hp portable is an impressive little outboard. It boasts surprising features for such a small motor, like labyrinth exhaust and a long span mounting system for smooth, quiet power. It also offers the convenience of an external fuel tank (in addition to its built-in tank) for extended range and added convenience.

They weigh as little as 37 pounds, but all offer impressive features like electronic ignition, thermostatic cooling and 180-degree steering.

Features:

• Only 60 pounds
• Shaft Length - 15"
  
• Solid 6-amp alternator (optional)
• Manual Start Only

Easy Operation

The F6, F4 and F2.5 feature built-in, see through fuel tanks. The F6 and F4 also feature switchable access to an optional, 3.1-gallon external fuel tank for extended range.

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 F6, F4 and F2.5 have a carburetor with a factory-selected setting for maximum efficiency. 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.

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 F6, F4 and F2.5 all offer impressive features like electronic ignition, thermostatic cooling and 180-degree steering.

Record Setting Fuel Efficiency