Complete Rok GP Stock Engine Kit, Engine Mount Sold Separate Single-cylinder 2 stroke direct-drive engine Displacement 125 cc Reed valve intake in the crank case Liquid-cooled through integrated pump Integrated electrical starter Mixture-lubricated PVL digital ignition Centrifugal dry-clutch Dellorto VHSH √ò 30mm carburetor Arrow intake silencer Dellorto fuel pump Bore and stroke 54.07x54mm Cast iron made cylinder and power valve 5/3 transfer ducts intake Oval exhaust and 2 boosters 34 HP at 12.500 Rpm Max 15.000 Rpm (electronically limited) Balance shaft Rok GP molded exhaust with integrated exhaust silencer Max Torque 20.2 Nm at 11.500 Rpm Radial bearing C4 The 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 integrated pump, equipped with centrifugal dry-clutch and integrated electrical starter. It is also equipped with a balance shaft that reduces vibrations and power valve that improves performance and driveability. The engine comes in a complete kit with Dell'Orto VHSH √ò 30mm carburetor, Dell'Orto fuel pump, Arrow intake silencer, molded exhaust and exhaust with integrated exhaust silencer, Radiator and hoses, wire loom complete with battery and battery support. True to the philosophy that favors ease of use and management, Rok GP engine is aimed at all drivers who want to test themselves on a spirited and performing chassis