Ducati 998S User Manual

62
E
Transmission
Dry clutch operated by a control lever on left handlebar.
Drive is transmitted from engine to gearbox main shaft
via spur gears.
Gear ratio:
32/59.
6-speed gearbox with constant mesh gears, gear change
pedal on left side of motorcycle.
Front/rear sprocket ratio:
15/36
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 23/24.
6
th
gear 24/23.
Drive chain from gearbox to rear wheel:
Make:
DID
Type:
525 HV.
Size:
5/8"x5/16"
Links:
94
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
For the replacement of the rear sprocket, contact a
Ducati Dealer or Authorized Workshop. The incorrect
replacement of this component could seriously endanger
your safety and cause irreparable damage to the
motorcycle.

Ducati 998S Specifications

General

Displacement	998 cc
Bore x Stroke	100 mm x 63.5 mm
Compression Ratio	11.4:1
Transmission	6-speed
Frame	Tubular steel trellis
Front Brakes	2 x 320 mm discs, 4-piston calipers
Tire Front	120/70 ZR17
Tire Rear	190/50 ZR17
Engine Type	Liquid-cooled, 4-stroke, L-twin, Desmodromic DOHC, 4 valves per cylinder
Torque	97 Nm @ 8000 rpm
Fuel System	Electronic fuel injection
Front Suspension	Showa 43mm upside-down fork, fully adjustable
Rear Suspension	Showa monoshock, fully adjustable
Rear Brakes	220 mm disc, 2-piston caliper
Fuel Capacity	17 liters