2005 Ducati Monster 620 Dark 2 dis. Owners Manual - Page 139

Transmission Clutch: multiplate, wet clutch; Clutch is operated by a control lever on left handlebar. Drive is transmitted from engine to gearbox main shaft via spur gears. Front chain sprocket/clutch gearwheel ratio: 33/61 Gearbox: 6 speeds (620-620 DARK); 5 speeds (620 DARK MONODISCO); Gearbox with constant mesh gears, gear change pedal on left side of motorcycle. Gearbox output sprocket/rear chain sprocket ratio: 15/48 (620-620 DARK) 15/46 (620 DARK MONODISCO) Total gear ratios: 1st 13/32 (620-620 DARK) 2nd 18/30 (620-620 DARK) 3rd 21/28 (620-620 DARK) 4th 23/26 (620-620 DARK) 5th 22/22 (620-620 DARK) 6th 26/24 (620-620 DARK) 1st 40/16 (620 DARK MONODISCO) 2nd 36/21 (620 DARK MONODISCO) 3rd 32/34 (620 DARK MONODISCO) 4th 29/27 (620 DARK MONODISCO) 5th 28/29 (620 DARK MONODISCO) Drive chain from gearbox to rear wheel: Make: DID Type: 520 VL4 Dimensions: 5/8" x 1/4" Links: 106 E Important The above gear ratios are the homologated ones and under no circumstances must they be modified. 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. Relevant instructions and original spare parts are available from your local Dealer or authorised workshop. Warning If the rear chain sprocket needs replacing, contact a Ducati Dealer or an Authorised Workshop. If improperly replaced, this component could seriously endanger your safety and that of your passenger, and cause irreparable damage to your motorcycle. 65