2023 Yamaha Marine F4 Base
- Year 2023
- Make Yamaha Marine
- Model F4
2023 Yamaha Marine F4
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.
Features may include:- Tiller-handle control with forward-neutral-reverse shifting and an ergonomic twist-grip throttle
- Only 59 pounds (15” shaft model)
- Available in 15” and 20” shaft lengths
- Solid 6-amp alternator
Engine
Engine Type
1 cyl
Engine Power
Prop Shaft: 4hp at 4500 rpm
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 (See owner's manual)
Lubrication
Wet Sump
Cooling
Recommended: Thermostatic Control
Gear Ratio (Primary)
2.08:1
Gear Shifter
Forward, Neutral, Reverse
Induction
Carb
Spark Plug
Spark Plug
CR6HSB
Electric
Starter
System: Manual
Alternator Output, Maximum
Output at W.O.T.: 6 Amp | 6 Amp
Fuel System
Fuel System
Ethanol Blend Limit:10% Maximum
Fuel Type
Recommended: Octane 87 | Recommended Filtration:
Dimensions
Length
Shaft: 15" - 20"
Dimensions
Degree of Tilt: 69° | Degree of Trim: -4° through +16°
Capacities
Oil capacity
0.6 L
Weights
Weight
59 lbs (27 kg) - 61 lbs (28 kg)
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