The Yamaha Outboard 4-Stroke F225 4.2i V6 Offshore ECU flash is available from VR Tuned. Unlock the full potential of your watercraft with our ECU Tuning. Expect faster acceleration, better performance, and improved throttle control.

Engine Power Ratings:

• Stock Power 225bhp
• Tuned Power 250bhp
• Gains 25bhp

What are the benefits of our tuning?

• Our team of calibrators have tuned engines worldwide.
• ECU tuning is done to perform while being safe and reliable.
• With our ECU Flash, basic bolt-on performance parts will not require a retune of your ECU.
• For gasoline vehicles, if you add higher octane fuel, the ECU will adjust accordingly.
• We pride ourselves on customer service.
• Other custom enhancements are available such as raising limiters if requested and applicable.

How to Flash Your ECU?

• We can bench flash the ECU. To bench flash the ECU, you must remove it from your vehicle and send it to us. Once we receive the ECU, we will prepare the tune file and then ship it back to you for reinstallation.