ROK GP Junior
DISPLACEMENT: 125CC
ENGINE2 stroke
COOLING SYSTEM: Liquid-cooled through external water pump
EXHAUST: Oval exhaust and 2 boosters
BEARINGS: Radial bearing C4
BORE AND STROKE: 54.07x54mm
MAX TORQUE: 20.2 Nm a 11.500 Rpm
MAX15.000 Rpm (electronically limited)
IGNITION: PVL digital ignition
CARBURETTOR: Dell ‘Orto VHSH Ø 30mm
SILENCER: Arrow intake silencer
FUEL PUMP: Dell ‘Orto
EXHAUST: ROK GP molded exhaust with integrated exhaust silencer
Reed valve intake in the crank case
Balancer shaft
Integrated electrical starter
Centrifugal dry clutch
Mixture-lubricated
5/3 transfer ducts intake
Reed valve intake in the crankcase
Cast iron made cylinder CNC worked