ROK DVS

SPECIFICATIONS
  • Single-cylinder 2 stroke engine
  • Displacement 125 cc
  • Liquid-cooled through external water pump
  • Oval exhaust and 2 boosters
  • 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
  • PVL digital ignition
  • IBEA Rok DVS Ø 24mm carburettor
  • Arrow intake silencer
  • Rok DVS 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
DESCRIPTION

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.
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.

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