The Yamaha Marine Portables 6 HP outboard is a compact powerhouse that delivers impressive performance in an ultra‑lightweight package. Built on the reliable F6 SMHA engine, it offers 6 hp at 5000 rpm from its 139cc single‑cylinder design.

Key highlights include:

• Tiller‑handle control: Forward–neutral–reverse shifting with an ergonomic twist‑grip throttle for smooth operation.
• Weight: Only about 59 lb (15″ shaft model), making it easy to transport and install on a variety of vessels.
• Available in both 15 inch and 20 inch shafts, giving you flexibility for different boat sizes.
• A long‑span mounting system that keeps the engine stable while reducing vibration and noise.
• An integrated external fuel tank option (plus the built‑in tank) extends your cruising range without adding bulk.

Engine specifications:

• Bore × Stroke: 2.44 in × 1.81 in (62 mm × 46 mm)
• Compression ratio: 8.9:1 for efficient power delivery.
• Ignition type: CDI, ensuring reliable starts in any weather.
• Cooling system: Thermostatic control to keep the engine within optimal operating temperatures.
• Fuel flexibility: Runs on up to 10 % ethanol blends; recommended octane 87 fuel for best performance.

The outboard is engineered with a wet‑sump lubrication system and uses Yamalube® 4M oil (or equivalent) as specified in the owner’s manual. Its carbureted induction system provides smooth throttle response, while an above‑propeller exhaust placement keeps noise levels low.

For added convenience, the Yamaha Marine Portables 6 HP outboard includes:

• A maximum alternator output of 6 amps at wide open throttle for powering accessories.
• Manual starter system that’s straightforward to use and maintain.

Overall, this portable engine combines reliability, quiet operation, and user‑friendly features in a lightweight design—ideal for recreational boating enthusiasts who need power without the bulk.