Ducati MONSTER 821, Owner'S Manual, Page: 282 / 295

Transmission
Wet clutch controlled by the lever on left-hand side of
the handlebar.
Drive is transmitted from engine to gearbox primary
shaft via spur gears.
Front chain sprocket/clutch gearwheel ratio: 33/61.
6-speed gearbox with constant mesh gears and gear
change pedal on left side of motorcycle.
Gearbox output sprocket/rear chain sprocket ratio:
15/46.
Total gear ratios:
1
st
gear 15/37
2
nd
gear 17/30
3
rd
gear 20/28
4
th
gear 22/26
5
th
gear 24/23
6
th
gear 23/24
Drive chain from gearbox to rear wheel.
Make: Regina
Type: 520 ZRDK
Links: 108
Important
The above gear ratios are the homologated ones
and under no circumstances must they be modified.
Warning
If the rear sprocket needs replacing, contact a
Ducati Dealer or authorised Service Centre.
If improperly replaced, this component could
seriously endanger your safety, as well as the
passenger one, and cause irreparable damage to your
motorcycle.
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