Description
Honda BF20 (2005 model) is a twin-cylinder, 4-stroke portable outboard built for jon boats, aluminum fishing boats, inflatables, and small workboats. It is widely respected for its smooth performance, excellent fuel economy, and strong build quality, making it a popular choice for both recreational and light commercial users.
It uses Honda’s PGM-IG ignition system for reliable starting and stable engine performance, even in cold or harsh marine conditions.
The engine is designed with a 350cc displacement twin-cylinder platform, giving it better torque and load-carrying ability compared to smaller portable engines.
⚙️ Key Features
20 Horsepower 4-Stroke Engine
Twin Cylinder 350cc Platform
Carbureted Fuel Delivery System
PGM-IG Electronic Ignition System
Electric Start or Manual Start Options
Tiller Handle Steering Control
Forward / Neutral / Reverse Gear System
Water-Cooled Engine System
Lightweight Portable Design
Quiet Low-Vibration Operation
Excellent Fuel Efficiency
Shallow Water Drive Capability
External Fuel Tank Compatibility
Strong Low-End Torque
Reliable Cold Starting System
Saltwater Corrosion Protection
Simple Mechanical Maintenance Design
Long Shaft & Short Shaft Options
Power Trim (on select versions)
Designed for Fishing & Utility Boats
🔧 Technical Specifications
- Engine Type: 4-stroke SOHC twin-cylinder
- Horsepower: 20HP
- Displacement: 350cc
- Bore x Stroke: 59 mm × 64 mm
- Fuel System: Carburetor (1-carb system)
- Ignition: PGM-IG electronic ignition
- Cooling System: Water-cooled
- Starting System: Manual / Electric
- Steering: Tiller handle
- Gear Shift: F-N-R
- Gear Ratio: 2.08:1
- RPM Range: 5000 – 6000 RPM
- Fuel Type: Unleaded gasoline
- Oil System: Wet sump (4-stroke oil)
- Dry Weight: ~46–55 kg (varies by setup)
- Shaft Length: 15” / 20” options