2020 Yamaha Marine F4 Base

2020 Yamaha Marine F4 Base

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  • Year 2020
  • Make Yamaha Marine
  • Model F4
2020 Yamaha Marine F4 Base

2020 Yamaha Marine F4 Base

2020 Yamaha Marine F4

Yamaha’s smallest Portables, the F6, F4 and F2.5, weigh in at as little as 37 pounds, with streamlined overhead-valve, one-cylinder designs. Their light weights, combined with built-in carrying handles, resting pads and an oil-leak prevention system for on-side storage capability create true portability. Add to that their efficiency, performance and reliability and these pint-sized powerhouses are perfect for all sorts of light duty, like hopping to the cuddy on a tender. Wherever the day takes you, you can take along a little extra power with an F6, F4 or F2.5 Yamaha Portable.

Our 139-cc 4-hp portable outboard mirrors our OHV F6, with a couple less horses. It features the same ergonomic, easy-grip starter handle with a built-in decompression device for effortless starts. The F4 also features a built-in fuel tank with the option of switchable access to an additional external tank for amazing extended range. There’s no stopping this little brute.

Engine

Engine Type 1 cyl
Engine Power 4 hp at 4500 rpm
Starter System: Manual
Displacement 139 cc
Bore 2.44 in (62 mm)
Stroke 1.81 in (46 mm)
Compression Ratio 8.9:1
Throttle Full RPM Range: 4000 ~ 5000
Steering Angle (maximum): 90° from center, either direction
Exhaust Above Propeller
Ignition CDI
Oil Type Recommended: Yamalube® 4M
Lubrication Wet Sump
Cooling Recommended: Thermostatic Control
Gear Ratio (Primary) 2.08:1
Gear Shifter Forward, Neutral, Reverse

Spark Plug

Spark Plug CR6HSB

Electric

Alternator Output, Maximum 6 Amp | at W.O.T.: 6 Amp

Fuel System

Fuel System Induction: Carb | Ethanol Blend Limit: 10% Maximum
Fuel Type Recommended: Octane 87

Dimensions

Length Shaft: 15" - 20"
Dimensions Degree of Tilt: 69° | Degree of Trim: -4° through +16°

Capacities

Oil capacity 0.6 L

Weights

Dry Weight 15" shaft: 59 lbs (27 kg) | 20" shaft: 61 lbs (28 kg)

Features

Features Intake: 2 | C.A.R.B. Rating: 3-Star

Warranty

Warranty Limited 3-year Pleasure, 3-year Government, 1-Year Commercial

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