The engine has the following features: Single-cylinder 2 stroke engine, displacement 60cc, piston port. Air-cooled, equipped with centrifugal dry-clutch and integrated electrical starter. The engine comes in a complete kit with Dell'Orto PHBG Ø 18mm carburettor, Dell'Orto fuel pump, Vortex intake silencer and exhaust with integrated exhaust silencer and starter.Mini Rok engine is aimed at the younger generation and for more than a decade has spread worldwide, therefore more and more federations have chosen it as national entry level category. Technical Specifications Model Vortex ROK Mini 60cc Description Single cylinder – 2 stroke 60cc Class Micro, Mini Cooling System Air-cooled system Exhaust Mini Rok exhaust with integrated exhaust silencer Bore and Stroke 42x43mm Max Power 10 HP a 11.000 Rpm Max Torque 6.5 Nm a 9.000 Rpm Max RPM 15.500 Rpm Ignition Selettra analogic ignition Carburetor Dell’Orto PHBG Ø 18mm Silencer Vortex intake silencer Fuel Pump Dell’Orto