MOTORCYCLE DAX 50 EEC & COC approval, 49cc,4-troke,OHC,1 cylinder MOTORCYCLE DAX 50 EEC & COC approvalTYPE OF ENGINE: 49cc,4- ... troke,OHC,1 cylinder BORE AND STROKE(mm): 39*41.4/52.5*49 ... .5/52.4*57.9COMPRESSION RATIO: 8.8:1/9.1:1/9.0:1COOLING: airIGNITION: CDITRANSMISSION: 4 speed, manual clutchFINAL ...