JHA used original crankcases, on which they checked the geometry, bushed the crankshaft bearings in steel, and modified one or two angles. These housings were redone in cnc
" Je vous parle d'un Deux Temps,250 KR1 1989 Café Racer
Que les moins de Vingt ans,125 NX4 2002
Ne peuvent pas connaitre..."CC 50 XG2 1986