Vortex RKF and Vortex RVZ

Vortex RKF and Vortex RVZ are the new homologated CIK FIA Vortex engines which will be used respectively in the KF-KF Junior and KZ1/KZ2 categories. 

Vortex RKF (KF, KF Junior category), Homologation no. CIK FIA 4/M/21
The new homologated CIK FIA Vortex engine which will face the next three years of international competitions in KF categories is called RKF.
The new RKF project introduces top-level technological innovations and is the outcome of an accurate and in-depth work carried out by Vortex during the last years.

RKF Engine technical features Homologation no. CIK FIA 4/M/21

• Single cylinder 2-stroke engine with reed valve induction in the crankcase
• Displacement: 124,96cc
• Mixture lubricated (with Petronas Rok Lube)
• Liquid-cooled with integrated water pump
• Digital ignition
• Electric starter
• Balancer shaft
• Valve exhaust (KF2)
• Monolith centrifugal dry clutch
• Bore-stroke 54 X 54 mm
• Number of transfer ducts: 5/5
• Exhaust ports: 3
• Maximum rpm: 15.000 Rpm (KF), 14.000 Rpm (KFJunior) electrically limited

Vortex RVZ (KZ1 and KZ2 categories), Homologation no. CIK FIA 5/M/21
RVZ is the new CIK FIA homologated Vortex engine for the gearbox categories.
This engine is the result of the great work done by Vortex Technical department using all the best knowledge and technologies at its disposal.

RVZ Engine technical features, Homologation no. CIK FIA 5/M/21

• Single cylinder 2-stroke engine with six-speed gearbox
• Displacement: 124,84 cc
• Nicasil cylinder
• PVL Analog Ignition
• Mixture lubricated (with Petronas Rok Lube)
• External pump liquid-cooled system
• Dell’Orto VHSH carburettor Ø30mm diameter
• Intake reed valve in the crankcase
• Number of transfer ducts: 5/3
• Bore-stroke 54 x 54,45 mm
• Front clutch gear shift
• Dry clutch
• Oval exhaust with 2 boosters
• C4 radial-bearings
• Ring with special coating
• New-generation homologated exhaust
• Machined conrod 115mm
• New-generation Asso piston with special coating