Yamaha F20SWB 20 HP Four-Stroke Remote Outboard, 15" Shaft, Electric Start
The Yamaha F20SWB is a 20 HP, two-cylinder four-stroke outboard with EFI, a 15-inch shaft and mechanical remote steering. It has electric and manual starting, and its 432 cc SOHC in-line engine weighs 126 lbs.
Yamaha lists a full-throttle range of 5,000 to 6,000 RPM, and the engine uses a streamlined intake manifold. It is sized for light craft such as aluminum fishing boats, tenders and inflatables. Standard equipment includes an aluminum propeller, electric start, a fuel line, a safety lanyard and the owner's manual.
Highlights
20 HP, 2-cylinder SOHC four-stroke with EFI
15-inch shaft, mechanical remote steering
Electric and manual starting
126 lbs, 432 cc
Aluminum prop, fuel line and safety lanyard included
Specifications
Brand | Yamaha |
Model | F20SWB |
Horsepower | 20 HP |
Cylinders | 2 |
Displacement | 432 cc |
Shaft Length | 15 in |
Steering | Remote (mechanical) |
Starting | Electric + Manual |
Weight | 126 lbs |
Fuel Induction | EFI |
Full Throttle Range | 5,000–6,000 RPM |
Good to know
Confirm shaft length, controls and propeller rotation against your boat before ordering, and stay within the maximum horsepower on the boat's capacity plate.
Installation, rigging and commissioning by a qualified marine technician are recommended; follow the manufacturer's pre-delivery and break-in procedures.

