ROK GP

SPECIFICATIONS
  • Single-cylinder 2 stroke direct-drive engine
  • Displacement 125 cc
  • Liquid-cooled through external water pump
  • Oval exhaust and 2 boosters
  • Radial bearing C4
  • Bore and stroke 54.07x54mm
  • Max power 36 HP a 12.500 Rpm
  • Max torque 20.2 Nm a 11.500 Rpm
  • Max 15.000 Rpm (limitato elettronicamente)
  • PVL digital ignition
  • Carburettor Dell’Orto VHSH Ø 30mm
  • Arrow intake silencer
  • Fuel Pump Dell’Orto
  • Rok GP moulded 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 GP immediately conquered the hearts of drivers around the world, for his spirited soul and a practical structure, which aims to achieve high performance, while ensuring high reliability.
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 and power valve that improves performance and driveability at low rpm.
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 and wire loom.
True to the philosophy that favours ease of use and management, Rok Gp engine is aimed at all drivers who want to test themselves on a spirited and performing chassis.

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