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The FIM eventually included the 1,200 cc displacement limit for twins in the 2008 superbike rules. According to the new rules, twin-cylinder motorcycles would be 6 kg heavier than four-cylinder machines (168 kg to 162 kg) and would also have a 50 mm air restrictor fitted. The weight limit and the intake-restrictor size of twin machines would be ...
The chassis of a supersport machine must remain largely as standard, while engine tuning is possible but tightly regulated. For instance, the displacement capacity, bore and stroke must remain at the homologated size. Modifying the bore and stroke to reach class limits is not allowed. [6] As in World Superbike, a control tyre is used.
MotoAmerica is the organization that promotes the AMA Superbike Series since 2015. Sanctioned by the American Motorcyclist Association (AMA) and the Fédération Internationale de Motocyclisme (FIM), it features eight classes of road racing: Superbike, Stock 1000, Supersport, King of the Baggers, Super Hooligan National Championship, Twins Cup, Junior Cup, and Mini Cup.
TT Superbike: (Machines complying with the 2015 FIM Superbike Championship specifications) Over 750 cc up to 1000 cc 4 cylinders 4-stroke; Over 750 cc up to 1000 cc 3 cylinders 4-stroke; Over 850 cc up to 1200 cc 2 cylinders 4-stroke; Minimum Weight 165 kg (364 lb). Other machines admitted at the discretion of the Organisers [28]
This class is restricted to single-cylinder 250cc four-stroke engines with a maximum bore of 81 mm (3.2 inches). The minimum total weight for motorcycle and rider is 148 kg (326 lb). Traditionally, the age limits for Moto3 were 16-28, with an upper limit of 25 for new contracted riders participating for the first time and wild-cards.
Superbike racing is the category of motorcycle road racing that employs modified production motorcycles, as with touring cars. Superbike racing motorcycles must have four stroke engines of between 800 cc and 1200 cc for twins, and between 750 cc and 1000 cc for four cylinder machines. The motorcycles must maintain the same profile as their ...
In late 2002 AMA Pro Racing, the promoter in charge of the AMA Superbike Championship at the time decided to open up the series to 1000cc production bikes. Their plan called for allowing near-stock 1000cc machines to compete against the then-current state of the art 750cc Superbikes that were the incumbent series competition machines.
The 2010 Supersport World Championship was the twelfth FIM Supersport World Championship season—the fourteenth taking into account the two held under the name of Supersport World Series. The season started on 28 February at Phillip Island and finished on 3 October at Magny-Cours after thirteen rounds.