2003 Ducati Superbike 999S Owners Manual - Page 171

Transmission Dry clutch operated by a control lever on left handlebar. Drive is transmitted from engine to gearbox main shaft via spur gears. Front sprocket/clutch sprocket ratio: 32/59 6-speed gearbox with constant mesh gears, gear change pedal on left side of motorcycle. Gearbox/rear sprocket ratio: 15/36 Total gear ratios: 1st gear 15/37 2nd gear 17/30 3rd gear 20/28 4th gear 22/26 5th gear 23/24 6th gear 24/23 Drive chain from gearbox to rear wheel: Make: DID Type: 525 HV Size: 5/8"x1/16" Links: 96 Important The above gear ratios are the homologated ones and under no circumstances must they be modified. However, if you wish to tune up your motorcycle for competitive trials, you may refer to Ducati Motor Holding S.p.A. who will be glad to provide information about the special ratios available. Contact a Ducati Dealer or Authorized Workshop. Warning For the replacement of the rear sprocket, contact a Ducati Dealer or Authorized Workshop. The incorrect replacement of this component could seriously endanger your safety and that of your passenger and cause irreparable damage to the motorcycle. E 81