Displacement 125 CC
Max Power 38 HP a 11.000 RPM
Max Torque 21 Nm a 11.000 RPM
Max 16.000 RPM

Rok DVS engine offers great and unique driving sensations, making the fun and challenge experience greater and higher. Only a big manufacturer, with many years of successful experience, as Vortex, is able to realize a similar project.

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The engine has the following features: single-cylinder 2 stroke engine, displacement 125cc, reed valve intake in the crankcase. Liquid-cooled through external pump (not supplied in the kit). It is also equipped with a balancer shaft that reduces vibrations and power valve that improves performance and driveability.

The engine comes in a complete kit with IBEA branded ROK DVS Ø 24mm carburettor, Arrow intake silencer, exhaust with integrated exhaust silencer. Rok DVS engine does not require special efforts to start, thanks to the decompression push-to-start valve on the head. This system, combined with other technical solutions, keeps the Rok DVS faithful to the philosophy that has made the success of the Rok Cup: high performance, ease of management and ease of use.

Displacement 125CC
Engine 2 stroke
Cooling System Liquid-cooled through external pump
Exhaust Oval exhaust and 2 boosters
Bearings Radial bearing C4
Bore and stroke 54x54mm
Max Power 38 HP a 11.000 Rpm
Max Torque 21 Nm a 11.000 Rpm
Max 16.000 Rpm
Ignition PVL digital ignition
Carburettor IBEA Rok DVS Ø 24mm carburettor
Silencer Arrow intake silencer
Exhaust Rok DVS exhaust with integrated silencer
  • Reed valve intake in the crankcase
  • Balancer shaft
  • Push-to-start system with decompression valve
  • Mixture-lubricated
  • 5/3 transfer ducts intake
  • Reed valve intake in the crankcase
  • Piston ring C type
  • Cast iron made cylinder CNC worked