KZ2 is a kart racing class using 125 cc water-cooled two-stroke engines yielding about . The engines are equipped with a 6-speed gearbox. Z2 is the second fastest of the KZ karting racing categories, and technical regulations are similar to faster KZ1 except that in KZ2 the gearbox must be "hand-operated and exclusively mechanical without a servo system", as well as the use of medium tires. – Article 12, Specific Regulations for KZ2 & KZ1, p. 374 Both the engine and chassis must be approved by the CIK-FIA racing governing commission. The class is open to drivers aged 15 years and up with the minimum weight being 175 kg, this includes the kart and driver.
The KZ2 class used to be called Intercontinental C (ICC) and was renamed by the CIK-FIA in January 2007.
The KZ2 class is run in both national and continental championships and is popular in Europe and the USA. In the UK, since the beginning of 2019, The Motorsport UK run championship is the only British Championship and runs to CIK regulations with Le Cont tyres. The NKF Super 4 series continues as KZ UK with a minimum weight of 180 kg but has no championship status.
CIK-FIA Karting International Supercup Year Champion Chassis / Engine / Tire Class 2013 Dorian Boccolacci Energy Corse / TM / Bridgestone KZ2 Supercup 2014 Ryan Van Der Burgt DR / Modena / Bridgestone KZ2 Supercup 2015 Thomas Laurent Tony Kart / Vortex / LeCont KZ2 Supercup 2016 Pedro Hiltbrand CRG / Maxter / Vega KZ2 Supercup 2017 Alex Irlando Sodikart / TM / Bridgestone KZ2 Supercup 2018 Matteo Viganò Tony Kart / Vortex / Bridgestone KZ2 Supercup 2019 Emilien Denner Sodikart / TM / Bridgestone KZ2 Supercup 2020 Simone Cunati Birel / TM / Vega KZ2 Supercup 2021 Lorenzo Travisanutto Parolin / TM / MG KZ2 Supercup 2022 Arthur Carbonnel CRG / TM / LeCont KZ2 Supercup
CIK-FIA European Championships Year European Champion Chassis / Engine / Tire Class 2007 Thomas Knopper PCR / TM / Dunlop KZ2 2008 Tony Lavanant Energy Corse / TM / Bridgestone KZ2 2009 Angelo Lombardo Tony Kart / Vortex / Bridgestone KZ2 2010 Paolo De Conto Energy Corse / TM / Vega KZ2 2011 Fabian Federer CRG / TM / Bridgestone KZ2 2012 Simas Juodvirsis Energy Corse / TM / Vega KZ2 2013 Emil Antonsen DR / TM / Bridgestone KZ2 2014 Andrea Dalè CRG / Maxter / Bridgestone KZ2 2015 Joel Johansson Energy Corse / TM / LeCont KZ2 2016 Fabian Federer CRG / TM / Bridgestone KZ2 2017 Leon Köhler Tony Kart / Vortex / Vega KZ2 2018 Adrien Renaudin Sodikart / TM / LeCont KZ2 2019 Emil Skärås Energy Corse / TM / Bridgestone KZ2 2020 Victor Gustavsson Birel / TM / Vega KZ2 2021 Giacomo Pollini CRG / TM / MG KZ2 2022 Tom Leuillet Birel / TM / LeCont KZ2
See also KF1, the top level of karting KF2, a KF1 feeder series KF3, a KF2 and KF1 feeder series KZ1, the fastest KZ karting racing category Superkart, road racing with kart sized open-wheel cars
References
External links CIK-FIA website