The 2018 Yamaha YZ450F promises to advance technology in the sport of motocross by becoming the world’s first Wi-Fi-equipped production dirtbike, capable of allowing the user to tune the engine’s ECU with the use of an Apple or Android smartphone. Yamaha’s all-new Yamaha Power Tuner iOS and Android app connects to a WI-Fi communication control unit on the 2018 Yamaha YZ450F to allow for instant fuel and ignition mapping changes trackside when the engine is not running.

Even cooler than that, the app features a “log” function that allows the user to keep a record of such data as riding location, riding conditions, bike settings and more. It can also log other important data, such as engine rpm, throttle position, engine coolant temperature and more. There is also a maintenance function with customizable trip meters to monitor run times for maintenance scheduling. All of this data is shareable as well.
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https://www.cycleworld.com/2018-yamaha-yz450f-first-ride-motocrosser-off-road-motorcycle-review