Yamaha 139-cc 6-hp Portable Outboard Motor
$1,584.00
Yamaha 6 HP for sale, a 139cc single-cylinder portable outboard delivering 6 HP at 5,000 RPM at the propeller shaft, with a carbureted fuel system, manual start, and a 15″ or 20″ shaft. Backed by Yamaha’s limited warranty program.
Yamaha 6 HP for sale, a lightweight portable outboard engineered for reliable performance, delivering 6 HP at 5,000 RPM at the propeller shaft.
Yamaha 6 HP Engine Specifications
This engine is a single-cylinder design with 139cc displacement and a bore x stroke of 62 x 46mm (2.44 x 1.81 in). It uses a carbureted fuel induction system, a compression ratio of 8.9:1, and runs on 87 octane recommended fuel with a maximum ethanol blend of 10%. Full throttle RPM range is 4,500–5,500 RPM, intake is 2-valve, and the engine carries a C.A.R.B. 3-Star emissions rating.
Yamaha 6 HP Electrical, Ignition, and Lubrication
Ignition is a CDI system with a CR6HSB spark plug, and starting is manual. The alternator delivers 6 amp output at wide-open throttle. Lubrication is a wet sump system using Yamalube 4M recommended engine oil, with an oil capacity of 0.6L. Cooling is thermostatically controlled, and exhaust routes above the propeller.
Yamaha 6 HP Shaft and Mounting
This outboard is available in 15″ or 20″ shaft lengths, with a gear ratio of 2.08:1 and forward-neutral-reverse gear shift. Maximum steering angle is 90° from center in either direction. Degree of tilt is 69°, and degree of trim ranges from -4° through +16°. Total weight ranges from 27 kg (60 lbs) to 28 kg (61 lbs).
| Specification | Detail |
|---|---|
| Weight | 27 kg (60 lbs) – 28 kg (61 lbs) |
| Full throttle RPM range | 4500–5500 RPM |
| Fuel induction system | Carbureted |
| Recommended engine oil | Yamalube 4M |
| Engine type | 1-cylinder |
| Displacement | 139 cc |
| Bore x stroke | 62 x 46mm (2.44 x 1.81 in) |
| Prop shaft horsepower | 6 HP 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-valve |
| 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 angle (maximum) | 90° from center, either direction |
| Warranty | Limited 3-Year Pleasure, 3-Year Government, 1-Year Commercial |
Contact us today to secure this Yamaha 6 HP portable outboard, backed by Yamaha’s limited multi-tier warranty.
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