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
Photos
Highlights
Boise, Idaho
New
026869
2023
Yamaha Marine
F4
6EC-S-1026869
4
Single Outboard
Gas
15" shaft: 59 lbs (27 kg) | 20" shaft: 61 lbs (28 kg)
Available
Specifications
2023
Yamaha Marine
F4
Base
Four Stroke
1 cyl
Prop Shaft: 4hp at 4500 rpm
139 cc
2.44 in (62 mm)
1.81 in (46 mm)
8.9:1
Full RPM Range: 4000 ~ 5000
Angle (maximum): 90° from center, either direction
Above Propeller
CDI
Recommended: Yamalube® 4M (See owner's manual)
Wet Sump
Recommended: Thermostatic Control
2.08:1
Forward, Neutral, Reverse
Carb
CR6HSB
System: Manual
Output at W.O.T.: 6 Amp | 6 Amp
Ethanol Blend Limit:10% Maximum
Recommended: Octane 87 | Recommended Filtration:
Degree of Tilt: 69° | Degree of Trim: -4° through +16°
Shaft: 15" - 20"
0.6 L
59 lbs (27 kg) - 61 lbs (28 kg)
15" shaft: 59 lbs (27 kg) | 20" shaft: 61 lbs (28 kg)