Tuned my YZ450FX into a 250 with my iPhone??

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https://www.rockymountainatvmc.com/?r...

This might be the single best reason to buy the Yamaha YZ450FX over the Honda, Kawasaki, or KTM! Love the ability to adjust the power characteristics to easily with my phone ANYWHERE.

Why don't the other manufacturers do this?

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https://www.amazon.com/?tag=dirtbikec...



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https://dirtbikechannel.com/

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