 Suzuki also changed the GSXRs frame type multiple times - with different twin-spar and double-cradle arrangements sampled throughout the production run - though they were always constructed solely of aluminium.The 1984 GSX-R400 was released in Japan and had .In 1985 A fuel level gauge was added which showed the remaining amount of fuel was indicated by the right side combination meter when the ignition was in the "Off" position.