Cycle News

Cycle News 2020 Issue 29 July 21

Cycle News is a weekly magazine that covers all aspects of motorcycling including Supercross, Motocross and MotoGP as well as new motorcycles

Issue link: https://magazine.cyclenews.com/i/1271411

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F I R ST LO O K P48 2021 YAMAHA YZ250F & YZ450F 2021 YAMAHA YZ250F T he YZ250F gets all of the attention for 2021 when it comes to Yamaha's motocrosser. The new YZ250F takes on many changes to its chassis, motor and brakes, while the YZ450F, which saw a major overhaul last year, returns as it did before. Both bikes, however, are now also available in optional special Monster Energy Yamaha race team graphics. The new 2021 Yamaha YZ250F features an all-new cylinder head with a revised intake port shape and a new camshaft profile, as well a new airbox and intake tract, a new silencer and an updated ECU. These mods, along with other refinements like an updated transmission and shift cam, a revised clutch design and updated water pump impeller, are all said to help pro- duce stronger mid- to top-end power and increased peak power, while retaining its already well-liked low-end torque. An updated frame with new engine The 2021 Yamaha YZ250F in the new Monster Energy Yamaha Racing Edition graphics

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