Overview Ideal for the Senior, Masters, and Junior ROK categories (with restrictions). The ROK Junior category does not utilize the integrated power valve, which significantly drops engine performance into the mid 20's horsepower range. Utilizes a Dell'Orto VHSH Carburetor (30mm). Spec engine for the Vortex ROK Senior, ROK Masters, and Junior ROK category (popular across country - Florida Winter Tour, Challenge of the Americas, ROK Cup USA). Utilizes centrifugal, dry-system clutch. Engine system cooled via air, water Integrated electric starter and wiring harness. Engine Specifications: Combustion Cycle: 2-Cycle Lubrication - Fuel / Oil Mixture Recommended mixture: 8oz oil / gal (Motul Kart Grand Prix 2T) Engine Displacement: 125cc Flow System: Reed Valve Bore / Stroke: 54.07mm / 54.00mm Factory Timing: Ignition / Analog System, Horsepower / Torque: 36.5 hp (@12,500 RPM) Ideal Fuel: VP C12, VP 110, or VP MS 93 Complete Engine Comes With: Complete Vortex ROK Senior, ROK Master, ROK Junior (Engine, Carburetor, Exhaust), depending on the application. Don't worry, we will reach out to check before shipment! Intake Air Box / Air Filter Exhaust Plenum & Exhaust Pipe Centrifugal Clutch (Complete) Wiring Harness (harness, battery box, control panel & components). Radiator, Piping, Clamps, support hardware Battery is an additional component for ROK GP engine.
