Yamaha F300 Offshore 4.2L Nizpro 332HO ECU Tune (B Series 2021+)

Unlock stronger real-world performance from your Yamaha 4.2L Offshore engine with the Nizpro 332HO calibration, designed to significantly increase horsepower and deliver stronger performance across the entire RPM range.

This calibration is ideal for newer offshore platforms where improved efficiency and power delivery are critical for real-world boating conditions.

Performance Data
Stock Output: 300 HP
Tuned Output: 332 HP
Power Increase: +32 HP

Fuel Savings: Up to 10–15% improved efficiency
Minimum Fuel Required: 89 Octane

What this tune improves

The Nizpro 332HO calibration enhances performance with:

Stronger acceleration
Improved mid-range torque
Better throttle response
Enhanced load handling
Improved cruising efficiency

This results in a more capable and responsive offshore engine.

Compatible Engines

F300  — 2021 to current

ECU Compatibility

6AW
6AX
6AY
6AZ
6BG

How to identify your ECU
Locate ECU label

How to order
Select options → checkout

Service Options

Mail-In + Local

Important before ordering

Verify engine + ECU

Notes
Performance may vary
Use correct fuel