Yamaha F20 363CC ECU Reflash Tune - 25HP Gain
Yamaha F20 363CC ECU Reflash License
Outboard EFI Performance Tune
1 ECU Reflash License for Yamaha F20 363CC 4-Stroke Outboard Engine
Revitalize your compact Yamaha F20 363CC 4-stroke outboard with this powerful ECU reflash license from Outboard EFI. Only 1 tune is needed per engine.
This flash delivers a strong 25 horsepower output, giving your small-sized Yamaha engine impressive gains in acceleration and overall responsiveness for better on-water performance.
Optimized Engine Tuning:
Fuel and ignition curves expertly optimized for 89 octane (95 EU outside North America) or better fuel
Torque limiters raised to safe, reliable levels for smooth, usable power delivery
Key Performance Benefits:
Solid 25 HP gain for noticeably quicker throttle response and acceleration
Ideal upgrade for small boats, dinghies, and portable applications
Retains great fuel efficiency with proper octane fuel
Convenient Tuning Services: Take advantage of our professional mail-in ECU reflash service—purchase the license and ship your ECU for fast expert tuning. Local in-shop tuning is also available for nearby customers.
Warranty Information: Built for reliability and safety, our tunes allow many customers to retain factory warranty coverage on external mechanical and corrosion issues (always verify with your Yamaha dealer). Full support included.
Why This F20 Tune Excels:
Tailored specifically for the Yamaha F20 363CC 4-stroke platform
Simple, effective software solution with no major hardware changes needed
Perfect for boaters wanting maximum performance from their compact Yamaha outboard
Important Notes:
Compatible only with Yamaha F20 363CC models
Use 89 octane or higher fuel for best results
Maintain regular Yamaha service intervals for optimal longevity
Unlock the true potential of your Yamaha F20 with this ECU reflash. Enjoy enhanced power and confidence on the water. Order your license today!


