1/12 Suzuki RG250 ? with Full Options This timeless Tamiya kit – originally from 1984 – now gets a welcome first re-issue in eighteen years. It recreates the Suzuki RG250 ?(Gamma), a bike produced in the mid-1980s and effectively a scaled down version of the 1982 500cc World Road Champion. It featured a lightweight aluminum frame and aerodynamic fairings,plus the distinctive Suzuki full floater suspension. A water cooled 247cc 2-cylinder 2-stroke engine gave 45hp and superb acceleration.