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Rok GP Vortex
Displacement 125 CC
Max Power 36 HP a 12.500 RPM
Max Torque 20.2 Nm a 11.500 RPM
Max 15.000 RPM
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, wire loom complete with battery and battery support.
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.
Engine 2 stroke
Cooling System Liquid-cooled through external water pump
Exhaust Oval exhaust and 2 boosters
Bearings 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 (electronically limited)
Ignition PVL digital ignition
CArburettor Dell’Orto VHSH Ø 30mm
Silencer Arrow intake silencer
Fuel Pump Dell’Orto
Exhaust Rok GP moulded exhaust with integrated exhaust silencer
Reed valve intake in the crank case
Integrated electrical starter
5/3 transfer ducts intake
Reed valve intake in the crankcase
Cast iron made cylinder CNC worked