Ducati SPORT 1000 Manuel D'utilisation page 142

Transmission
Clutch:
multi-plate dry clutch;
Clutch is operated by a control lever on left handlebar.
Drive is transmitted from engine to gearbox main shaft via
spur gears.
Gear ratio:
32/59.
Gearbox:
6-speed.
Gearbox with constant mesh gears, gear change pedal on
left side of motorcycle.
Front/rear sprocket ratio:
15/38.
Total gear ratios:
1 st gear 15/37
nd
2 gear 17/30
rd
3 gear 20/27
th
4 gear 22/24
th
5 gear 24/23
th
6 gear 28/24
Drive chain from gearbox to rear wheel:
Make:
RK
Type:
525 GXW.
Dimensions:
5/8"x 5/16".
Links:
100.
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 sprocket needs replacing, contact a Ducati
Dealer or an authorised workshop. If improperly replaced,
this component could seriously endanger your safety and
cause irreparable damage to your motorcycle.
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