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4.2L V6 & 5.3L V8 Yamaha Tunes

Every tune developed by Nizpro is rigorously tested on each engine with a dynamometer designed specifically for outboard motors to ensure the accuracy of the results. Additionally once a tune is developed each motor is stress-tested for over 250 hours in real-world conditions to ensure the safety and reliability of the calibration.
Scroll to read about the changes you can expect for your specific motor. All tunes listed below are for motors 2008-2022.


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