Check out the new features that put the 2021 CRF450R way out in front
Pre-production Model Shown. Professional Rider Shown on Closed Course.
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Great handling starts with a superior frame, and we’ve made some big changes to our 2021 CRF450R’s chassis. First, it’s lighter—over a pound and a half lighter. By making the frame’s main spars narrower, we saved weight, but more important we made the chassis more responsive by reducing lateral rigidity 20 percent. The result is a bike that gets into, around, and out of corners faster.
This is huge news for the 2021 CRF450R. Out with the old cable-actuated clutch, and in with the first hydraulically actuated clutch we’ve offered outside of our works bikes. Made by Nissin, it’s the same design as in our Grand Prix MX machines, and performs better than third-party conversions. You get a clutch-lever pull that’s ten percent lighter at its peak, even though it’s paired with a new, stronger 8-plate clutch. Plus, you’ll never have to worry about making a clutch-cable adjustment, even during the longest events.
Along with the new air filter, the airbox shape helps deliver more torque. You can access the airbox through the left number plate. And because the new filter has no rubber gasket where it interfaces with the intake boot, cleaning and servicing the filter is faster and less messy than ever.
Homologated for racing and available in limited numbers, the CRF450RWE Works Edition includes all the big improvements of this year’s CRF450R plus a special hand-ported cylinder head; Hinson clutch basket and cover; Twin Air filter, Throttle Jockey graphics and seat cover; upgraded DID DirtStar LT-X rims; an exclusive Yoshimura exhaust system including a titanium header; titanium nitride-coated lower fork legs; revalved suspension; an RK gold chain; special ECU settings; and black triple clamps.
449cc liquid-cooled single-cylinder four-stroke
96mm x 62.1mm
Unicam four-valve; 38mm intake; 31mm exhaust
Programmed Fuel Injection (PGM-FI), 46mm downdraft throttle body
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