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Honda's 450cc four-stroke motocross and cross-country race bikes, including the Works Edition.
2002 – present · 450cc · 4-stroke
Most comprehensive update in a decade: lighter, more powerful engine and revised chassis and suspension.
2017 – present · 450cc · 4-stroke
All-new engine and chassis shared with the 2027 CRF450R.
Frame with 70% new components for more rigidity, new linkage and suspension; carried over unchanged for 2026.
New slimmer frame and bodywork with a single exhaust.
New frame and rethought Unicam engine, coil-spring Showa fork; electric start optional in 2017, standard from 2018.
Redesign with twin mufflers, KYB air fork and significant engine changes.
All-new fuel-injected bike with new engine and chassis.
Redesigned engine and frame with new bodywork; HPSD steering damper added in 2008.
Original Unicam four-stroke in a twin-spar aluminum frame; 2003 brought a longer shock and new linkage.
Took the 2025 CRF450R's reworked frame and suspension.
Moved to the new 2021 CRF450R frame and engine.
Launched alongside the redesigned 2017 CRF450R, on its platform.