Racer X Films: 2019 Honda CRF250R Big-Bore Garage Build

Photos/Video by Simon Cudby We set Race Tech free on our Honda CRF250R to build us an engine worthy of a vet race machine or a pro practice bike. Parts List: CYLINDER WORKS 3mm Big Bore Cylinder Kit 269cc, Includes Forged Vertex Piston and Top-End Gasket Kit RACE TECH  Suspension Re-Valve and Setup, Vortex X-10 ECU and Mapping, Head Porting SUPERSPROX             Rear Sprocket, Front Sprocket, Gold MX Race Chain G520-MXT-L-120 UNI FILTER  T