2026 Yamaha YZ450FX vs 2026 Honda CRF450RX

Side-by-side specs. Differences are highlighted. Blank = not yet verified for that year-model (we don’t guess).

2026 Yamaha YZ450FXYamaha
2026 Honda CRF450RXHonda

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Spec2026 Yamaha YZ450FX2026 Honda CRF450RX
Class450cc 4-stroke450cc 4-stroke
Displacement450cc449.8cc
Bore × stroke97 × 60.9 mm96 × 62.1 mm
CoolingLiquid
InductionMikuni fuel injection, 44mmPGM-FI 44mm throttle body
Power valve
StarterElectric
Transmission5-speed5-speed
Front suspensionKYB spring-type fork with speed sensitive damping; fully adjustable, 11.8-in travel49mm Showa inverted coil-spring fork
Front travel11.8 in12.2 in
Rear travel12 in12.1 in
Front brake270mm260mm
Rear brake240mm240mm
Front wheel21"
Rear wheel18"
Seat height37.6 in37.7 in
Wheelbase57.9 in58.2 in
Weight251 lb (Wet weight*** includes the vehicle with all standard equipment and all fluids, including oil, coolant (as applicable) and a full tank of fuel. It does not include the weight of options or accessories.)256 lb (curb (with fluids))
Fuel capacity2.1 gal2.1 gal
MSRP$9,999

Highlighted (blue) rows differ between the two. Verified manufacturer data; see each bike’s page for sources. Torque/fluid specs are on the individual pages (service-manual only).