• Vortex ROK SV 125cc Complete Engine official Vortex manufacturer image
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Vortex

Vortex ROK SV 125cc Complete Engine

Vortex ROK SV 125cc Complete Engine

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VOR-ROK-SV-DRAFT

Rok SV is the last born of the Rok selection. Designed to join reliability and high performance, ROK SV represents an evolutionary step of Vortex factory, always careful about the drivers' needs.

Specifications

Displacement 125 CC
Engine 2 stroke
Cooling System Liquid-cooled through external water pump
Exhaust Moulded exhaust with supplementary exhaust silencer
Bearings Radial bearing C4
Bore and stroke 54x54mm
Max Power 34 HP a 12.500 Rpm
Max Torque 20.2 Nm a 11.500 Rpm
Max rpm 15.000 Rpm (electronically limited)
Ignition Selettra
Carburettor Dell'Orto VHSH Ø 30mm or Tillotson
Silencer Nitro KG intake silencer

Features

  • Reed valve intake in the crank case
  • Balancer shaft
  • Integrated electrical starter
  • Centrifugal dry-clutch
  • Mixture-lubricated
  • 5/3 transfer ducts intake
  • Cast iron made cylinder CNC worked

Manufacturer data: vortex-engines.com · retrieved 2026-09-05

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Specifications

Specification Value
SKU VOR-ROK-SV-DRAFT
Brand Vortex

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