2023 Yamaha Outboard 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
- Displacement:139 cc
- Bore:2.44 in (62 mm)
- Stroke:1.81 in (46 mm)
- Ignition:CDI
- Fuel system:Ethanol Blend Limit:10% Maximum
- Exhaust:Above Propeller
Dimensions
- Weight:59 lbs (27 kg) - 61 lbs (28 kg)
- Length:Shaft: 15" - 20"
- Oil Capacity:0.6 L
- Dimensions:Degree of Tilt: 69° | Degree of Trim: -4° through +16°
- Dry Weight:15" shaft: 59 lbs (27 kg) | 20" shaft: 61 lbs (28 kg)
- Lubrication:Wet Sump
- Oil Type:Recommended: Yamalube® 4M (See owner's manual)
- Throttle:Full RPM Range: 4000 ~ 5000
- Warranty:Limited 3-Year Pleasure, 3-Year Government, 1-Year Commercial
- Alternator Output, Maximum:Output at W.O.T.: 6 Amp | 6 Amp
- Features:Intake: 2 | C.A.R.B. Rating: 3-Star
- Cooling:Recommended: Thermostatic Control
- Engine Power:Prop Shaft: 4hp at 4500 rpm
- Engine Type:1 cyl
- Steering:Angle (maximum): 90° from center, either direction
- Starter:System: Manual
- Spark plug:CR6HSB
- Gear Shifter:Forward, Neutral, Reverse
- Compression Ratio:8.9:1
- FUEL TYPE:Recommended: Octane 87 | Recommended Filtration:
- Induction:Carb
- Gear Ratio (Primary):2.08:1
Other
- Manufacturer Type:Four Stroke