This is the first of the M1 “Full Floater” mono shock bikes that were
constructed for the works Heron Suzuki GB Team in 1980. It had an output of 128 hp
and top speed of 290 km/h.
The bikes debuted at the second round of the season at Jarama in Spain. Randy
Mamola won the British GP at Silverstone, as well as the Belgian GP at Zolder
and finished in the top five at five other rounds to finish second (to Kenny
Roberts) in that year’s World Championship. Mick Grant then rode it to victory in the 1981 IOM Senior TT.
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Any corrections or more information on these motorcycles will be kindly appreciated.