Yamaha F20 SEHA Outboard Motor

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)