Manufactured 1985-1987
Joël Corroy built specialist observed trials machines engines in Vesoul from around 1984, and as demand increased he moved to larger premises in Santoche. Management transfered to Streit in 1987. In total over 400 trials motorcycles were constructed using engines from Tau, Moto Villa and GasGas. There were several twin-shock models, and a monoshock 323.
JCM displayed ten different machines at the 1989 Paris Salon.
Sources: wikipedia.nl, retrotrials.com, François-Marie Dumas
