Yamaha 20 HP Outboard Motors
SKU: F20SMHB
Yamaha’s high-powered portables are redefining the expectations for portable horsepower. Their single-overhead-camshaft, two-cylinder designs create power to weight that’s not only eye-opening
Our 432-cc all-new 20-hp portable outboard-built on the same award winning platform as the F25 and sharing its SOHC in-line design and streamlined intake manifold, delivers solid power. Not only that, but it’s one of the most fuel efficient in its class. At just 126 pounds, it’s suitable for lightweight craft such as aluminum fishing boats, tenders and inflatables.
- Available for electric start remote mechanical (controls not included) or tiller-handle control
- Only 126 pounds (15” shaft model)
- Available in 15” and 20” shaft lengths
- Powerful 16-amp alternator
| Engine Type | 2 cyl |
|---|---|
| Displacement | 432 cc |
| Bore x Stroke | 65 x 65.1mm (2.554 x 2.558 in) |
| Prop Shaft Horsepower | 20 hp @ 5500 rpm |
| Full Throttle RPM Range | 5000 ~ 6000 rpm |
| Alternator Output at W.O.T. | 16 Amp |
| Compression Ratio | 9.3:1 |
| Fuel Induction System | EFI |
| Weight † | 57 kg (126 lbs) - 66 kg (146 lbs) |
| Recommended Fuel | Octane 87 |
| Recommended Engine Oil | Yamalube® 4M (See owner's manual) |
| Recommended Fuel Filtration | Yamaha 10-Micron Fuel/Water Separating Filter (external) |
| C.A.R.B. Rating | 2-Star |
| Exhaust | Through Propeller |
| Intake | 4 |
| Ignition | CDI |
| Spark Plug | DPR6EB-9 |
| Starting System | Electric & Manual |
| Lubrication | Wet Sump |
| Engine Oil Capacity | 1.1L/1.0L |
| Recommended Cooling | Thermostatic Control |
| Ethanol Blend Limit | 10% Maximum |
| Gear Ratio | 2.00:1 |
| Gear Shift | Forward, Neutral, Reverse |
| Shaft Length | 15" - 20" |
| Degree of Tilt | 62°- 63° |
| Degree of Trim | -3° through +16° |
| Mounting Centers | N/A |
| Steering | |
| Steering Angle (maximum) | 45° from center, either direction |
| Warranty | Limited 3-Year Pleasure, 3-Year Government, 1-Year Commercial |