KZ UK is a very fast gearbox class. The 125cc water cooled engines have six gears, sequentially operated like motorcycle using a gear-lever mounted next to the steering wheel. 0-60mph times are less than 4 seconds, top speed is 90mph on short circuit, 110 - 120mph on long circuit. The ABkC championship is promoted by the NKF.
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Rotax Max the senior equivalent of Junior Max, with a very powerful 125cc TAG engine. Although the maximum revs are limited electronically, they are nearly as quick as KZ UK, but much lower maintenance, and sealed to prevent unapproved tuning.
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Iame X30 Senior is the senior equivalent of Junior X30, with a very powerful 125cc TAG engine.
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By taking the restrictor out of a MiniMax it is converted to a Junior Max (age 13-17 yrs). It is one of the most powerful junior classes, with top speed about 70 mph.
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By taking the restrictor out of a Mini X30 it is converted to a Junior Max (age 13-17 yrs). It is one of the most powerful junior classes, with top speed about 70 mph.
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This class is for 11-14 year olds and is a stepping stone between Cadets and Juniors. The engine is a restrcted 125cc 2-stroke TAG engine. All Rotax engines are sealed and have a log-book showing the service history.
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This class is for 11-14 year olds and is a stepping stone between Cadets and Juniors. The engine is a restricted 125cc 2-stroke TAG engine.
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The Honda Cadet, with an un-sealed 4-stroke engine is a cheaper engine and easier to maintain compared to the Iame Cadet.
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For 8-13 years old. The IAME category uses a sealed 60cc Iame Parilla Gazelle UK engine which has been chosen by Motorsports UK to be the premier cadet class and used in the Cadet British Championship. Approx top speed 60mph.
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The Bambino class uses a very small kart with a Comer C50 engine, registered with the importers Zip Kart. The tyres are all weather Le Cont, meaning that separate slick and wet rain tyres are not required. Top speed is about 38mph.
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