| Weight † | 27 kg (60 lbs) – 28 kg (61 lbs) |
|---|---|
| Full Throttle RPM Range | 4500 ~ 5500 |
| Fuel Induction System | Carb |
| Recommended Engine Oil | Yamalube® 4M (See owner’s manual) |
| Engine Type | 1 cyl |
| Displacement | 139cc |
| Bore x Stroke | 62 x 46mm (2.44 x 1.81in) |
| Prop Shaft Horsepower | 6hp at 5000 rpm |
| Alternator Output at W.O.T. | 6 Amp |
| Compression Ratio | 8.9:1 |
| Recommended Fuel | Octane 87 |
| Recommended Fuel Filtration | N/A |
| C.A.R.B. Rating | 3-Star |
| Exhaust | Above Propeller |
| Intake | 2 |
| Ignition | CDI |
| Spark Plug | CR6HSB |
| Starting System | Manual |
| Lubrication | Wet Sump |
| Engine Oil Capacity | 0.6L |
| Recommended Cooling | Thermostatic Control |
| Ethanol Blend Limit | 10% Maximum |
| Gear Ratio | 2.08:1 |
| Gear Shift | Forward, Neutral, Reverse |
| Shaft Length | 15″ – 20″ |
| Degree of Tilt | 69° |
| Degree of Trim | -4° through +16° |
| Mounting Centers | N/A |
| Steering | |
| Steering Angle (maximum) | 90° from center, either direction |
| Warranty | Limited 3-Year Pleasure, 3-Year Government, 1-Year Commercial |
Yamaha 139-cc 6-hp Portable Outboard Motor
$1,584.00
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. Weighing only 60 pounds for the 15-inch shaft model, it is available in 15” and 20” shaft lengths and features an optional solid 6-amp alternator.
Key Features
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Smooth & Quiet Performance: Equipped with a labyrinth exhaust system and a long span mounting system to minimize noise and vibration.
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Extended Fuel Range: Offers the dual convenience of a built-in fuel tank alongside an external fuel tank connection.
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Lightweight Portability: Weighs only 60 pounds (15” shaft model) for effortless transport and handling.
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Configuration Options: Available in 15” and 20” shaft lengths with an optional 6-amp alternator.
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Shipping & Delivery
Shipping & Delivery
We pride ourselves on offering fast and reliable shipping directly from our warehouse. Most in-stock outboard engines ship within 1–3 business days, ensuring you get your new engine as quickly as possible. Nationwide delivery is available across the U.S., with all engines carefully packaged to prevent damage during transit.
For local customers, we offer the convenience of pickup from our warehouse or local delivery. Our team is happy to assist with loading, and if you need installation or rigging support, we can help with that too.
If you're ordering from outside the U.S., we also offer international shipping. Contact us directly for a customized shipping quote, including rates, timelines, and any additional import details to ensure a smooth delivery to your location.
