Vortex DDJ OK-Junior type
2-cycle
125 cc
Water cooling
Internal balance shaft
No clutch or starter
External water pump
Pressure-release valve for the start
No exhaust valve
Maximum authorized engine rpm: 14000 rpm
Specific carburetor Academy Trophy type: 24 mm Dellorto VHST
Exprit Noesis-type MY15
30 mm tubes in chrome mokybdenum steel
50 mm standard shaft type N
Rear disc brake, with hydraulic command
Slicks : Vega XH3
Pluie : Vega W6
Driver onboard: 140 kg