| Year: | 1978 |
| Engine type: | Water-cooled square four cylinder 2-stroke |
| Engine size: | 494.69cc |
| Max Power: | 122bhp @ 11,000rpm |
| Max Speed: | 185mph / 300kph |
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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) |
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