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Formula TKM is a low-cost British based karting category raced at club and national championships around the UK. It uses 100cc/115cc 2-stroke TKM engines and drivers are restricted to the use of single type of tyre. A second class, called TKM 4-Stroke, run on performance oriented 200cc 4-stroke engines was introduced into the category in the early 2000s. ==History== 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. 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.〔http://www.abkc.org.uk/SuperOneWinnersPast.pdf〕 However, since the rise of the Rotax Max formula in the UK from the early 2000s and the impact of the recession grid sizes have dropped dramatically. 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,〔http://www.karting1.co.uk/news/news/is-there-life-in-the-old-dog-we-see-if-formula-tkm-has-still-got-it/〕 despite a mixed set of reactions from people in the sport.〔http://www.karting1.co.uk/news/karting-podcast/strong-reaction-to-2010-tkm-regulations-changes-jade-jkh-and-drivers/〕 It still offers a large field in the Super 1 National Kart Championships and at club circuits in the UK. Most prevalently the class still finds healthy grids at (Shenington Kart Club ), (Rissington Kart Club ) and (Glan y Gors ). In this period Tal-Ko also introduced a 4-stroke class, which ran on 200cc 4-stoke engines. The class was dropped from the Super 1 National Kart Championships in 2011 after a reshuffle in the series. The series has never been as popular or successful as the 2-stroke TKM class. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「TKM (Karting)」の詳細全文を読む スポンサード リンク
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