For those who want power, performance and portability
The sun just broke the horizon, but your day began hours ago—the second you started your trusty Yamaha Portable. Maybe you’re skimming the marsh in a jon boat during duck season, pushing a sailboat ‘til the wind kicks up or hopping to the cuddy on a tender. Wherever the day takes you, these nimble, lightweight, efficient portables are up for the ride. Available in a range of horsepower from the F20, to the F2.5, including the redesigned F8 with 7.5 percent more displacement, these 1- or 2-cylinder dynamos provide big performance in streamlined designs.
2017 Yamaha F20 SEHA Outboard Motor
- SOHC
- Large Displacement Engine
- Streamlined Intake Manifold
- Large Volume Air Silencer
- Labyrinth Exhaust
- Water-Cooled Fuel Pump
- Acceleration Pump
- Long Span Mounting System
- Four Stroke Engine Design
2017 Yamaha F20 SEHA Outboard Motor
Year 2017
Manufacturer Yamaha Marine
Model Name F20
Trim Name SEHA
Generic Type (Primary) Four Stroke
Engine
Engine Type 2 Cylinder
Engine Power 20 hp @ 5500 rpm
Alternator (Output): 10A **
Displacement 22.1 ci (362 cc)
Gear Ratio (Primary) (27:13) 2.08:1
Lubrication Wet sump
Fuel Type Induction: SOHC
Ignition System: CDI Micro Computer
Oil Type (Recommended): Yamalube® 4M (See owner’s manual)
Fuel Type (Recommended): Regular Unleaded (Minimum Pump Octane 87)
Fuel Type (Recommended Filtration): Yamaha Mini 10-Micron Fuel/Water Separating Filter (external)
Steering Angle (Maximun): 45° from center, either direction
Capacities
Oil capacity 1.8L/1.6L w/without filter
Spark Plug
Spark Plug DPR6EB-900-000
Range
Note Full Throttle RPM Range: 5000-6000
Dimensions
Length Shaft: S=15
Bore 2.48 in. (63 mm)
Stroke 2.29 in. (58.1 mm)
Weights
Dry Weight F20SEHA 53kg (117 lbs)
Features
Starter Manual or Electric
Features Degree of Tilt: 67°-71° | Degree of Trim: 4 positions
Cooling Water/Thermostatic Control
Note Ethanol Blend Limit: 10% Maximum
Note Gear Shift: Forward, Neutral, Reverse
Features C.A.R.B. Rating: 3 Star
Intake Design Carburetor
Compression Ratio 9.3:1
Exhaust Through Propeller
Note Mounting Centers: 28.6″
Warranty
Warranty 3-Year Pleasure (2-year on jet pump assembly), 3-Year Government (2-year on jet pump assembly), 1-Year Commercial (1-year on jet pump assembly)