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TKM (karting)
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TKM (karting)
Formula TKM is a British based karting category raced at club and national championships around the UK. It uses 100cc/115cc 2-stroke TKM engines (BT82) for the Junior and Senior classes respectively. A number of Britains elite racing drivers have competed in the TKM class at some point in their careers.
The TKM karting class was created in 1989 by the British-based kart manufacturer, Tal-Ko. The company owner Alan Turney started the class with the ambition of keeping the large costs of kart racing down while maintaining a level of competitive and equal racing. To maintain the lower prices, only British registered homologated chassis were allowed, along with a Tal-Ko designed engine and hard compound tyres by Maxxis, Maxxis green TKM before now being replaced by Maxxis Sports TKM for the 2025 season.
The original uptake of the class was successful and with the lower costs involved, the class soared in popularity through the 90s, becoming the UK's most popular karting formula. The TKM Festivals of the late nineties saw over 100 entrants in both senior and junior classes and from this boom the class boasts several current Formula 1 drivers amongst its former racers.
Through second half of the 2000s Tal-Ko introduced a range of new rules for the 2-stroke class in regards to tyres, chassis and engine regulations. With these new rules the class became more relevant and so the numbers of entrants stabilised, despite a mixed set of reactions from people in the sport. It still offers a large field in the Super 1 National Kart Championships and at some club circuits in the UK. Most prevalently the class still finds healthy grids at Kimbolton and Rissington Kart Club.
Tal-Ko also introduced a 4-stroke class, which ran on 200cc 4-stroke engines. The series has never been as popular or successful as the 2-stroke TKM class and does not offer a Super One grid.
TKM acquired a reputation for close and competitive racing, notably for the extremely large grid entrants. The annual TKM Festival, held at a range of circuits, could once attract over 100 entrants for each class at the event. This is unparalleled for kart racing in the UK during recent history. The class is often cited as the purest form of kart racing owing to the relative simplicity of the racing and the equal playing field.
Although the introduction of the TAG version of the BT82 brought about some fundamental differences between the engine types, the class still offers some of the closest racing in the sport today.
Historically it was decided by the organisers that only TKM homologated, British made, chassis should be used for the class. This was opened up, however, to try to compete with the image of the Rotax Max class. MSA homologated chassis from across Europe have been permitted since 2010. Several manufacturers produce a TKM-specific chassis; these include the Tal-Ko Veloce, Tony Kart Viper, BirelArt TKM and Klaassen ARC.
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TKM (karting)
Formula TKM is a British based karting category raced at club and national championships around the UK. It uses 100cc/115cc 2-stroke TKM engines (BT82) for the Junior and Senior classes respectively. A number of Britains elite racing drivers have competed in the TKM class at some point in their careers.
The TKM karting class was created in 1989 by the British-based kart manufacturer, Tal-Ko. The company owner Alan Turney started the class with the ambition of keeping the large costs of kart racing down while maintaining a level of competitive and equal racing. To maintain the lower prices, only British registered homologated chassis were allowed, along with a Tal-Ko designed engine and hard compound tyres by Maxxis, Maxxis green TKM before now being replaced by Maxxis Sports TKM for the 2025 season.
The original uptake of the class was successful and with the lower costs involved, the class soared in popularity through the 90s, becoming the UK's most popular karting formula. The TKM Festivals of the late nineties saw over 100 entrants in both senior and junior classes and from this boom the class boasts several current Formula 1 drivers amongst its former racers.
Through second half of the 2000s Tal-Ko introduced a range of new rules for the 2-stroke class in regards to tyres, chassis and engine regulations. With these new rules the class became more relevant and so the numbers of entrants stabilised, despite a mixed set of reactions from people in the sport. It still offers a large field in the Super 1 National Kart Championships and at some club circuits in the UK. Most prevalently the class still finds healthy grids at Kimbolton and Rissington Kart Club.
Tal-Ko also introduced a 4-stroke class, which ran on 200cc 4-stroke engines. The series has never been as popular or successful as the 2-stroke TKM class and does not offer a Super One grid.
TKM acquired a reputation for close and competitive racing, notably for the extremely large grid entrants. The annual TKM Festival, held at a range of circuits, could once attract over 100 entrants for each class at the event. This is unparalleled for kart racing in the UK during recent history. The class is often cited as the purest form of kart racing owing to the relative simplicity of the racing and the equal playing field.
Although the introduction of the TAG version of the BT82 brought about some fundamental differences between the engine types, the class still offers some of the closest racing in the sport today.
Historically it was decided by the organisers that only TKM homologated, British made, chassis should be used for the class. This was opened up, however, to try to compete with the image of the Rotax Max class. MSA homologated chassis from across Europe have been permitted since 2010. Several manufacturers produce a TKM-specific chassis; these include the Tal-Ko Veloce, Tony Kart Viper, BirelArt TKM and Klaassen ARC.