Are you after a cost effective and simple solution for more power out of your outboard engine? Perhaps you bought a 225hp but really wanted that 300hp? A Nizpro Marine ECU Re-Flash is the answer.
Our ECU Re-Flashes have been painstakingly developed on our state of the art vertical marine engine dynamometer and then put through grueling boat tests on the water.
Nizpro Marine have developed an ECU Re-Flashing system that is so simple to use that even you can do it in your own home! Alternatively, you can send us or one of our authorized dealers your ECU and have the experts carry out the procedure.
So if you’re after a tried and tested way to increase the horsepower of your outboard engine AND improve the fuel economy! Select your engine below and prepare to experience your outboards true potential!

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STOCK YAMAHA 200 SHO VS NIZPRO ECU RE-FLASH

​Once your ECU has been re-flashed with the Nizpro Marine calibration your Yamaha 200 SHO will now be making 320HP and able to rev to 6400rpm. With gains to torque throughout the rev range to help get your boat up and out of the water.
  • 60% Power increase up to 320 hp
  • 27% Torque increase up to 327Ftlbs
  • RPM limiter increased to 6400rpm
  • Improved fuel economy
STOCK YAMAHA 225 SHO VS NIZPRO ECU RE-FLASH

​Once your ECU has been re-flashed with the Nizpro Marine calibration your Yamaha 225 SHO will now be making 320HP and able to rev to 6400rpm. With gains to torque throughout the rev range to help get your boat up and out of the water.
  • 42% Power increase up to 320 hp
  • 25% Torque increase up to 327Ftlbs
  • RPM limiter increased to 6400rpm
  • Improved fuel economy
STOCK YAMAHA 250 SHO VS NIZPRO ECU RE-FLASH

​Once your ECU has been re-flashed with the Nizpro Marine calibration your Yamaha 250 SHO will now be making 320HP and able to rev to 6400rpm. With gains to torque throughout the rev range to help get your boat up and out of the water.
  • 28% Power increase up to 320 hp
  • 5% Torque increase up to 327Ftlbs
  • RPM limiter increased to 6400rpm
  • Improved fuel economy
​STOCK YAMAHA F225 VS NIZPRO RE-FLASH

​Once your ECU has been re-flashed with the Nizpro Marine calibration your Yamaha F225 will now be making 320HP and able to rev to 6600rpm. With gains to torque throughout the rev range to help get your boat up and out of the water.
  • 42% Power increase up to 320 hp
  • 25% Torque increase up to 327Ftlbs
  • RPM limiter increased to 6600rpm
  • Improved fuel economy
​STOCK YAMAHA F250 VS NIZPRO RE-FLASH

​Once your ECU has been re-flashed with the Nizpro Marine calibration your Yamaha F250 will now be making 320HP and able to rev to 6600rpm. With gains to torque throughout the rev range to help get your boat up and out of the water.
  • 28% Power increase up to 320 hp
  • 21% Torque increase up to 327Ftlbs
  • RPM limiter increased to 6600rpm
  • Improved fuel economy
​STOCK YAMAHA F300 VS NIZPRO RE-FLASH​

​Once your ECU has been re-flashed with the Nizpro Marine calibration your Yamaha F300 will now be making 320HP and able to rev to 6600rpm. With gains to torque throughout the rev range to help get your boat up and out of the water.
  • 5% Power increase up to 320 hp
  • 10% Torque increase up to 327Ftlbs
  • RPM limiter increased to 6600rpm
  • Improved fuel economy