2025 Yamaha F4SMHA

2025 Yamaha F4SMHA Portable Outboard

The Yamaha F4SMHA is a lightweight, dependable 4 HP four-stroke outboard designed for dinghies, tenders, jon boats, small fishing boats, and sailboat auxiliary applications. Weighing only 59 lbs., it offers exceptional portability without sacrificing reliability. Yamaha's proven four-stroke technology delivers smooth, quiet operation, excellent fuel economy, and easy starting.

Key Features:

• 4 HP Four-Stroke Engine

• 15" Short Shaft

• Manual Start

• Tiller Handle Steering

• Forward / Neutral / Reverse Gear Shift

• Built-In Fuel Tank

• External Fuel Tank Capability

• Lightweight Design – Only 59 lbs.

• Integrated Carrying Handles

• 6-Amp Charging System

• Water-Cooled with Thermostatic Control

• Yamaha CDI Ignition System

• 3-Star CARB Emissions Rating

Specifications:

• Horsepower: 4 HP

• Engine Type: 1-Cylinder OHV 4-Stroke

• Displacement: 139cc

• Full Throttle Range: 4,000–5,000 RPM

• Starting System: Manual Pull Start

• Steering: Tiller Handle

• Gear Ratio: 2.08:1

• Gear Shift: Forward / Neutral / Reverse

• Shaft Length: 15"

• Alternator Output: 6 Amps

• Fuel Type: 87 Octane Gasoline

• Oil Capacity: 0.6 Liter

• Weight: 59 lbs.

• Trim Positions: 5-Position Manual Tilt

Ideal For:

• Dinghies & Tenders

• Small Fishing Boats

• Jon Boats

• Sailboat Kickers

• Portable Auxiliary Power Applications

The Yamaha F4SMHA combines portability, fuel efficiency, and legendary Yamaha reliability, making it an excellent choice for boaters seeking dependable power in a compact package.