Honda CRF450RX 2027–present specsHonda CRF450RX
Gen 4 · 2027–present

All-new for 2027: new engine (97 mm bore, up 1 mm; 13.8:1 compression; titanium exhaust valves; 17 mm narrower and 6 lb lighter), new lighter clutch with a back-torque limiter, taller gear ratios, new main frame (about 70% new parts) and subframe, new swingarm, titanium 1.9 gal fuel tank (was a 2.1 gal resin tank), Ka… Source ↗