NIZPRO Yamaha XTO F425 V8 5.6L ECU Calibration - Mail-In

Ship your ECU to us at 3232 26th Ave E UNIT D, Bradenton, FL 34208 for our professional flashing, and we'll return it via mail. We suggest $3000 insurance when you mail it. we ship back for free with insurance worry free.

Suitable for the following engines. This motor and boat must be present for tune

Yamaha OFFSHORE XTO Series F425 5.6L  V8   2018 to current

Upgrade Your Yamaha V8 5.6L 425 with the NIZPRO Marine Performance Repower – Enhanced tune will upgrade your motor to a 482Hp - ECO will upgrade your motor to a 436Hp And Both Tunes Require Minimum 89 Octane Fuel.

Choose between the 436 ECO tune for reliable, proven performance and Proven Fuel efficiency see upwards of 25% better fuel economy, or the 482 High Output for maximum power and efficiency gains. You will see on average 15% better fuel eco with maximum power out of your motor.

Please note that installing a Nizpro tune WILL NOT correct any existing faults with your engine. we recommend just using 89 octane fuel, but it isn't a requirement for all tunes