Ducati MONSTER620 Manuel D'utilisation Et Entretien page 145

Transmission
Multiple-plate clutch:
wet clutch (620/800);
dry clutch (1000) ;
operated by a control lever on left handlebar.
Drive is transmitted from engine to gearbox main shaft
via spur gears.
Front sprocket/clutch gear ratio:
33/61 (620-620 DARK-620 DARK SINGLE DISC-800)
E 32/59 (1000)
Gearbox:
6-speed (620-620 DARK-800-1000);
5-speed(620 DARK SINGLE DISC);
with constant mesh gears, gear change pedal on left side
of motorcycle.
Transmission sprocket/rear sprocket ratio:
15/48 (620-620 DARK)
15/46 (620 DARK SINGLE DISC)
15/42 (800)
15/39 (1000)
Total gear ratios:
1 st gear 13/32 (620-620 DARK/800) - 15/37 (1000)
2 nd gear 18/30 (620-620 DARK/800) - 17/30 (1000)
3 rd gear 21/28 (620-620 DARK/800) - 20/27 (1000)
4 th gear 23/26 (620-620 DARK/800) - 22/24 (1000)
5 th gear 22/22 (620-620 DARK/800) - 24/23 (1000)
6 gear 26/24 (620-620 DARK/800) - 28/24 (1000)
th
68
620 DARK SINGLE DISC:
1 gear 40/16
st
2 gear 36/21
nd
3 rd gear 32/24
4 th gear 29/27
5 th gear 28/29
Drive chain from gearbox to rear wheel:
Make:
DID
Type:
520 VL4
Size:
5/8"x1/4"
Links:
106 (620-620 DARK-620 DARK SINGLE DISC)
102 (800)
100 (1000)
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.