Yamaha ECU Flash F300, F350C

Ship your ECU to us at 3232 26th Ave E UNIT D, Bradenton, FL 34208 for our professional tune, and we'll return it via mail. 

Outboard EFI ECU tune for Yamaha F300, F350C

Once tuned the HP for the 2007-2019 F300 will be 425HP

Once tuned the HP for the 2007-2019 F350C will be 425HP

Please note: Installing a tune will not correct pre-existing engine faults.

The fuel and ignition curve is optimized for 89 octane (95 EU for outside North America) or better fuel. This allows your tune to easily get to the max HP and slightly beyond. 

We recommend ensuring your shipment to protect your unit during transit. Our technicians will reprogram your engine control unit and send it back ready to install.