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Out of the box the Rotax 125 Junior Max EVO engine requires no additional blueprinting or engine tuning prior to use. The standard setup of the carburettor covers nearly all operating conditions. For extreme conditions the jetting of the carburettor can be changed in between sessions, and no longer requires the driver to ‘tune’ whilst…
FEATURES Out of the box the Rotax 125 Junior Max EVO engine requires no additional blueprinting or engine tuning prior to use. The standard setup of the carburettor covers nearly all operating conditions. For extreme conditions the jetting of the carburettor can be changed in between sessions, and no longer requires the driver to ‘tune’…
FEATURES The Rotax 125 Senior Max EVO engine features an electronic Power Valve. This new system replaces the original adjustable Power Valve and now specifically opens at 7,600rpm or 7,900rpm based on driver preference. The Power Valve creates two port timings to deliver maximum power at low speed and top speed; so you get the…
The X30 Super Shifter Spec. US is specifically engineered around the needs of the American shifter-kart drivers, providing the ultimate driving experience by showcasing a displacement of 175cc. The ideal solution for all drivers wishing to race a top level shifter engine with the benefits and the features of stock class engines. The “Spec. US”…
Classes: Micro ROK (with restrictions) & Mini ROK The Mini ROK engine is aimed at the younger generation of kart drivers, and is used for the Mini ROK class and Micro ROK class (with restrictions, see below).Thanks to some of its key features it is safe and easy to use, so that young drivers can become…
The ROK GP engine is the next step in the Vortex engine line, and is used in the Senior and Master classes ROK and Junior ROK Class (with restrictions, see below). Rok GP immediately conquered the hearts of drivers around the world, for his spirited soul and a practical structure, which aims to achieve high…
The Rok Shifter engine was born to meet the needs of many drivers who want to compete in a category with the gearbox, but always according to the Rok philosophy: low costs and steady regulations over the time. The engine has the following features: Single-cylinder 2 stroke engine with 6-speed gearbox with front clutch system, displacement…
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