Description
The 2002 Yamaha 50HP 2-Stroke Outboard Motor is a compact and dependable mid-range marine engine designed for fishing boats, jon boats, aluminum boats, and light commercial applications. It belongs to Yamaha’s inline 3-cylinder 2-stroke family, which is well known for its strong acceleration, simple design, and long-term durability.
This engine is especially popular in the used market because it offers a strong balance of power, weight, and reliability, making it ideal for inland waters, rivers, and coastal fishing.
⚙️ Key Features
50 Horsepower 2-Stroke Marine Engine
Inline 3-Cylinder Yamaha Design
Carbureted Fuel Delivery System
Oil Injection System (or pre-mix depending on model)
Electric Start System
Remote Steering Control
Tiller Handle Option (on some setups)
Power Trim & Tilt System
CDI Electronic Ignition System
Water-Cooled Thermostat System
Through-Prop Exhaust Design
Strong Low-End Torque Output
Fast Acceleration (Good Hole-Shot)
Lightweight Compared to 4-Stroke Engines
Simple Mechanical Design for Easy Maintenance
Forward / Neutral / Reverse Gear System
Saltwater-Resistant Components
External Fuel Tank System
Shallow Water Drive Capability
Reliable Cold Starting Performance
Long Shaft & Short Shaft Options
Heavy-Duty Gearcase Construction
Designed for Fishing & Utility Boats
Good Fuel Efficiency for a 2-Stroke
🔧 Technical Specifications (Typical Yamaha 50HP 2-Stroke)
- Engine Type: Inline 3-cylinder, 2-stroke
- Horsepower: 50 HP
- Displacement: ~698cc–849cc (varies by model generation)
- Fuel System: Carburetor
- Ignition: CDI electronic ignition
- Cooling System: Water-cooled
- Starting System: Electric start
- Steering: Remote or tiller
- Gear Shift: Forward / Neutral / Reverse
- Gear Ratio: ~1.85:1 (varies by model)
- RPM Range: ~4500–5500 RPM
- Fuel Type: Gasoline
- Oil System: Oil injection or pre-mix
- Dry Weight: ~90–110 kg depending on shaft length
- Shaft Length: 15”, 20”, or 25”










