KF2, is a
kart racing
Kart racing or karting is a road racing variant of motorsport with open-wheel, four-wheeled vehicles known as go-karts or shifter karts. They are usually raced on scaled-down circuits, although some professional kart races are also held on fu ...
class for top drivers aged 14 and up.
This class used to be called Intercontinental A (ICA) and has changed since January 2007 when
CIK-
FIA
FIA is the Fédération Internationale de l'Automobile (English: International Automobile Federation), the world's governing body for all forms of motor sport where four or more wheels are used.
Fia or FIA may also refer to: People
* Fia Backs ...
decided to replace the 100 cc water-cooled
two-stroke
A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being completed in one revolution of ...
engines with 125 cc Touch-and-Go (TaG) water-cooled two-stroke engines (KF type). The engines produce . The KF2 class karts use hand-operated front brakes via a lever. The chassis must be approved by the CIK-FIA. Minimum weight with driver is 160 kg for national and 158 kg for international events.
Karts are equipped with an electric starter and a
centrifugal clutch
A centrifugal clutch is an automatic clutch that uses centrifugal force to operate. The output shaft is disengaged at low rotational speed and engages more as speed increases. It is often used in mopeds, underbones, lawn mowers, go-karts, chainsaw ...
. The engine
rpm
Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min, or with the notation min−1) is a unit of rotational speed or rotational frequency for rotating machines.
Standards
ISO 80000-3:2019 defines a unit of rotation as the dimensionl ...
is limited at 15,000 rpm. It is one of the highest kart classes and is run in both national and continental championships, with the most prestigious being the
European Championship and the World Cup.
In 2010, karts of the KF2 category were mandated in the
Karting World Championship.
CIK-FIA World Karting Championship For Drivers Zuera (ESP) – 16-19.09.2010
- KartCafe, 16 September 2010
In 2016, the class was renamed OK, standing for the new Original Kart class. The new karts had much of the electronics removed, and had to push-started.
See also
* KF1
KF1 is the top level of karting. It is open to drivers aged 15 and up.
This class used to be called Formula A and has changed since January 2007 when CIK-FIA decided to replace the 100 cc water-cooled two-stroke engines with 125 cc Touch-an ...
, the top level of karting
* KF3
OK-Junior is a kart racing class for top drivers aged 11 to 15 (drivers must reach the age of 12 within the first semester of calendar year).
This class used to be called Junior Intercontinental A (JICA or ICA-J) and has changed since January 200 ...
, a KF1 and KF2 feeder series
* KZ1, the fastest KZ karting racing category
* KZ2
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 ...
, the second fastest KZ karting racing category
* Superkart
Superkart is a form of motorsport road racing that uses karts on long circuits.
The most obvious difference between a superkart and most other forms of kart is that they have full aerodynamic bodykits as well as having a longer wheel base than sp ...
, road racing with kart sized open-wheel cars
References
External links
CIK-FIA website
Karting 1 – Karting Information. Tips, Guides, Interviews, and Karting Features
Kart racing series
{{Motorsport-stub