Honda XR70R Specifications Honda XR70R MSRP: $1,399 Honda XR70R Engine: Engine Type 72cc air-cooled single-cylinder four-stroke Bore and Stroke 47.0mm x 41.4mm Compression Ratio 9.0:1 Valve Train SOHC; two-valve Carburetion 13mm piston-valve Ignition CDI Honda XR70R Drive Train: Transmission Three-speed with automatic clutch Final Drive #420 chain; 15T/36T Honda XR70R Chass... more.