RGA500
XR22

Year: 1978
Engine type: Water-cooled square four cylinder 2-stroke
Engine size: 494.69cc
Max Power: 122bhp @ 11,000rpm
Max Speed: 185mph / 300kph
1978 500cc World Champs: 2nd Sheen, 4th Hartog, 6th Hennen, 7th Baker, 10th Rougerie
1978 TT 2nd Williams (Classic race)
1979 TT 1st Hailwood (Senior race), 2nd Hailwood (Classic race)