OK-Junior 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 kart circuit, scaled-down circuits, although some professional kart races are als ...
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 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 Backst ...
decided to replace the 100 cc air-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 chassis and engines must be approved by the CIK-FIA. Minimum weight is 145 kg, including kart and driver.
Karts are equipped with an electric starter and clutch. 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 to 14,000 rpm.
It is one of the highest kart classes with national championships (perhaps with different tyre rules).
There is a European championship, a World Cup, as well as Oceania and Asia-Pacific championships. The
Junior Monaco Kart Cup
The Junior Monaco Kart Cup was a kart racing event ruled by the CIK-FIA and organized by the Automobile Club de Monaco, it took place each year in Monaco.
The event see young drivers compete with KF3
OK-Junior is a kart racing class for top dri ...
is taking place each year in this format.
For 2013 the class was renamed KF-Junior.
In 2016, the karts were completely re-designed by removing much of the electronics. The karts are now push started. The class was subsequently renamed OK-Junior, standing for Original Kart.
Champions
World
Europe
See also
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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
*
KF2
KF2, is a kart racing class for top drivers aged 14 and up.
This class used to be called Intercontinental A (ICA) and has changed since January 2007 when Commission Internationale de Karting, CIK-Fédération Internationale de l'Automobile, FIA de ...
, another KF1 feeder series besides KF3
*
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
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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 s ...
, road racing with kart sized open-wheel cars
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Karting World Championship
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Karting European Championship
References
External links
CIK-FIA – International Karting Governing Body
{{Class of Auto racing
Kart racing series