"We Have Altitude Engines." Haiden Deegan's Yamaha YZ250F | Bike Breakdown

Kris Keefer asks mechanic Brent Duffe for the inside scoop on Haiden Deegan's YZ250F. Why spring fork for motocross instead of his supercross air fork? What off-set clamps? What about those trick footpegs? All that and much more as we learn all about the Monster Energy Star Racing Yamaha machine.

Film/Edit: Simon Cudby

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