2002 Ducati Monster 620 i.e. Owners Manual - Page 135

Transmission Multiple-disk wet clutch (620/750); multiple-disk dry clutch (900); operated by a control lever on left handlebar. Drive is transmitted from engine to gearbox main shaft via spur gears. Ratio: 33/61 (620/750); 32/59 (900). Gearbox: 5-speed (620/750); 6-speed (900); with constant mesh gears, gear change pedal on left side of motorcycle. Front/rear sprocket ratio: 15/46 (620); 15/41 (750); 15/38 (900). Total gear ratios: 1st gear 16/40 (620/750); 15/37 (900), 2nd gear 21/36 (620/750); 17/30 (900), 3rd gear 24/32 (620/750); 20/28 (900), 4th gear 27/29 (620/750); 22/26 (900), 5th gear 29/28 (620/750); 23/24 (900), 6th gear 24/23 (900). Drive chain from gearbox to rear wheel: Make: DID Type: 520 VL4 Size: 5/8"x1/4" Links: 106 (620); 102 (750); 100 (900). 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 If the rear sprocket needs replacing, contact a Ducati Dealer or Authorized Workshop. If improperly replaced, this component could seriously endanger your safety and that or your passenger, and cause irreparable damage to your motorcycle. E 63