1991 Shell Oils Australian Superbike Championship
1991 FIM International Superbike Regulations
Motorcycles for Superbike correspond to motorcycles of current production, available to the public, which have been manufactured and sold for everyday road use. Motorcycles must be approved and homologated by the FIM for competition in FIM Superbike events. Manufacturers are required to produce a minimum number of a specific motorcycle in order for it to be homologated; a factory that produces more than 100,000 units per year must produce 1000 for homologation, a factory producing at least 50,000 units per year must produce 500, and all other factories must produce 200. Only modifications specified within the approved homologation documents for each model are permitted. Number plate colours are white background with black numbers (RAL colour table values: 9005 black and 9010 white).
401-750cc, four-stroke, 3 or 4-cylinder, minimum dry weight 165kg;
551-1000cc, four-stroke, 2-cylinder, minimum dry weight 140kg.
Bimota Tesi 1D; Bimota YB4EI; Ducati 750 Sport; Ducati 750 SS; Ducati 851; Honda CBR600F; Honda RC30; Honda VFR750F; Kawasaki GPX750; Kawasaki ZXR750; Kawasaki ZZR600; Norton F1; Suzuki GSX-R750; Yamaha FZ750; Yamaha FZR600; Yamaha OW01.
2 races considered as separate races for the purpose of awarding points and prizes. Riders who fail to finish the first race may start the second race.
Riders Championship: 1st: 20; 2nd: 17; 3rd: 15; 4th: 13; 5th: 11; 6th: 10; 7th: 9; 8th: 8; 9th: 7; 10th: 6; 11th: 5; 12th: 4; 13th: 3; 14th: 2; 15th: 1.