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. Technical Specifications Model Vortex ROK GP 125 Description Single cylinder – 2 stroke 125cc Class Junior, Senior, Masters Cooling System Liquid-cooled through external water pump Exhaust Rok GP moulded exhaust with integrated exhaust silencer Bore and Sroke 54.07x54mm Max Power 36 HP a 12.500 Rpm Max Torque 20.2 Nm a 11.500 Rpm Max RPM 15.000 Rpm (electronically limited) Ignition PVL digital ignition Carburetor Dell’Orto VHSH Ø 30mm Silencer Arrow intake silencer Fuel Pump Dell’Orto
