Three white outboard motors labeled 350 V6 on a boat, with a captain at the helm against a clear blue sky.

Item 2

A Yamaha outboard boat engine shown from the front with the propeller below.

A gray marine outboard motor/engine shown from the front, with a propeller at the bottom and control unit on top.

A black Yamaha outboard boat engine is shown from the front on a white background.

SKU# F4SMHA

Yamaha F4SMHA

$1,805.00

Model: F4SMHA

Horsepower: 4 HP

Throttle / Shift: Tiller Handle

Starter: Manual

Shaft: 15" Short

Trim & Tilt: Manual Tilt

Rotation: Standard

GET INFORMATION

The Yamaha F4SMHA is a lightweight, portable four-stroke outboard built to deliver dependable performance for life's smaller adventures on the water. Powered by Yamaha's proven 139cc single-cylinder engine, the F4SMHA offers smooth operation, outstanding fuel efficiency, and easy portability for tenders, inflatables, jon boats, and small fishing boats. Compact, reliable, and easy to operate, it's an excellent choice for boaters looking for trusted Yamaha performance in a highly portable package.

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Compact Four-Stroke Engine
Provides smooth, quiet operation with outstanding fuel economy.
Manual Starting System
Reliable pull-start operation delivers dependable performance wherever your adventures take you.
Tiller Handle Steering
Offers comfortable throttle, shift, and steering control from one ergonomic handle.
Lightweight & Portable Design
Weighing just under 60 pounds, it's easy to transport, install, and remove.
Integrated Fuel Tank
Built-in fuel tank provides convenience, while an external fuel connection allows for extended run time.
Corrosion Protection Technology
Advanced Yamaha coatings help protect the engine in both freshwater and saltwater environments.
Legendary Yamaha Reliability
Engineered for years of dependable service in both freshwater and saltwater environments.
Motor Specifications
- Engine Type: 139cc Single-Cylinder Four-Stroke
- Horsepower: 4 HP @ 5,500 RPM
- Shaft Length: 15" Short
- Rotation: Standard Rotation
- Throttle / Shift: Tiller Handle
- Starter: Manual
- Trim & Tilt: Manual Tilt
- Steering: Tiller
- Propeller: Aluminum Prop
- Fuel System: Carbureted
- Displacement: 139cc
- Alternator Output: Optional 6 Amp Charging System
- Weight: Approximately 59 lbs
- Full Throttle Operating Range: 4,500 - 5,500 RPM
- Fuel Tank Capacity: 1.1 L Integrated Tank
- Cylinders: 1
- Recommended Fuel: 87 Octane
- Warranty: Yamaha Limited 3-Year Warranty
Additional Features
- Owner's Manual

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