ECU Reflash License Yamaha 750cc F30 F40 JET40/30

Reflash license for Yamaha F30 F40 JET40/30 EFI 750cc 4 stroke engine.

Unlock your mid sized Yamaha 750cc this flash combined with removing the intake restrictor on certain models will make 47 horsepower.

The 30 and 40 models will make 47hp and the 70. On the JET 40/30 Jet the hp gain will be at the powerhead but the increase will still be very noticeable.

The fuel and ignition curve is optimized for 89 octane (95 EU for outside North America) or better fuel, Torque limiters are raised to a safe level. Electronic throttle bodies are controlled to allow 100% air flow when present. Often manufacturers will use the exact same engine for multiple horsepower models and simply detune them for the lower HP models. This allows Outboard EFI to easily get to the max HP and slightly beyond.