Vortex ROK SV


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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.

The engine has the following features: single-cylinder 2 stroke engine, displacement 125cc, reed valve intake in the crankcase. Liquid-cooled through external pump, equipped with centrifugal dry-clutch and integrated electrical starter.

It is also equipped with a balancer shaft that reduces vibrations. The engine comes in a complete kit with: carburettor (Tillotson or Dell’Orto), exhaust with supplementary exhaust silencer and wire loom. Faithful to the Rok philosophy which combines reliability, ease of management and use and high performance, ROK SV represents the last evolution of the Rok engines range.

COOLING SYSTEM Liquid-cooled through external water pump
EXHAUST Oval exhaust and 2 boosters
BEARINGS Radial bearing C4
MAX POWER 34 HP a 12.500 Rpm
MAX TORQUE 20.2 Nm a 11.500 Rpm
MAX 15.000 Rpm (electronically limited)
SILENCER Nitro KG intake silencer
EXHAUST Moulded exhaust with supplementary exhaust silencer


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