Sale! Engine Vortex ROK Junior, mondokart, kart, kart store, karting View larger

Engine Vortex ROK Junior

ROK 1608


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€ 2.190,00

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Rok Junior

Displacement 125 CC

Max Power 22 HP a 11.500 RPM

Max Torque 19.6 Nm a 10.000 RPM

Max 13.800 RPM


Junior Rok has been developed for Junior Rok class purposely; thanks to its driving and cost-saving qualities, it is ideal for training young drivers. Over the years this engine has been the godfather of many young talents, who went then to the higher classes.


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 Dell'Orto VHSH Ø 30mm carburettor, Dell’Orto fuel pump, Arrow intake silencer, moulded exhaust and exhaust with integrated exhaust silencer, wire loom complete with battery and battery support.
Junior Rok offers incredible performance with unique management costs, making this category a perfect gym for many young drivers.

Displacement 125CC

Engine 2 stroke

Cooling System Liquid-cooled through external water pump

Exhaust Oval exhaust and 2 boosters

Bearings Radial bearing C4

Bore and stroke 54x54mm

Max Power 22 HP a 11.500 Rpm

Max Torque 19.6 Nm a 10.000 Rpm

Max 13.800 Rpm (electronically limited)

Ignition PVL digital ignition

CArburettor Dell’Orto VHSH Ø 30mm

Silencer Arrow intake silencer

Fuel Pump Dell’Orto

Exhaust Rok moulded exhaust

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


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