Vortex ROK 125cc GP Engine

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The ROK GP engine is the next step in the Vortex engine line, and is used in the Junior, Senior and Master ROK classes.

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 drivability at low rpm.

The engine comes as a complete kit with Dell’Orto VHSH Ø 30mm carburetor, Dell’Orto fuel pump, Arrow intake silencer, molded exhaust and exhaust with integrated exhaust silencer, 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.