Yamaha Marine F4SMHA Four Stroke 4HP Short Shaft Outboard Engine

Yamaha Marine F4SMHA Four Stroke 4HP Short Shaft Outboard Engine.

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 Specifications:

Color: Gray

HP: 4 / 139-cc

Weight: 60 lbs (27 kg )

Full Throttle RPM Range:4000 ~ 5000

Fuel Induction System: Carb

Recommended Engine Oil: Yamalube 4M

Engine Type: 1 cyl

Displacement: 139cc

Bore x Stroke: 62 x 46mm (2.44 x 1.81in)

Prop Shaft Horsepower: 4hp at 4500 rpm

Alternator Output at W.O.T.: 6 Amp

Compression Ratio: 8.9:1

Recommended Fuel: Octane 87

Recommended Fuel Filtration: N/A

C.A.R.B. Rating: 3-Star

Exhaust: Above Propeller

Intake: 2

Ignition: CDI

Spark Plug: CR6HSB

Starting System: Manual

Lubrication: Wet Sump

Engine Oil Capacity: 0.6L

Recommended Cooling: Thermostatic Control

Ethanol Blend Limit: 10% Maximum

Gear Ratio: 2.08:1

Gear Shift: Forward, Neutral, Reverse

Shaft Length: 15"

Degree of Tilt: 69°

Degree of Trim: -4° through +16°

:Steering: Tiller:

Steering Angle (maximum): 90° from center, either direction

NOW COMPATIBLE WITH SIREN MARINE MONITORING