Ducati ST3 2004 - Page 42

Caratteristiche tecniche
Technical specification
sezione / section
C 1.1
11
A
B
C
D
E
F
G
H
L
M
N
P
ST3 - M.Y. 2004 - edizione/edition 00
Colours
Transmission unit
Timing/valves
Description Part no.
ST43 Ducati anniversary red 473.101 (PPG)
Ducati yellow 473.201 (PPG)
Ducati light metallic grey *0026 (PPG)
Combined with metal colour frame and wheels
Reference Specifications
Transmission Clutch Dry multi-plate clutch
Clutch control Hydraulic
Gearbox 6 speeds
Primary drive 32/59
Final drive 15/42
Drive ratio 1.84
Gearbox type With spur gears, driven by a lever on the bike
LH side
Gear ratios
1st
2nd
3rd
4th
5th
6th
15/37
17/30
20/27
22/24
24/23
28/24
Reference Standard value Max. allowed value
Timing diagram With 1 mm valve clearance
Intake Opening 14° B.T.D.C.
Closing 62° A.B.D.C.
Exhaust Opening 59° B.B.D.C.
Closing 20° A.T.D.C.
Intake valve diameter
Exhaust valve diameter
2x34 mm
40 mm
Valve lift With 0 mm valve clearance Intake 10.70 mm
Exhaust 10.40 mm
Opening rocker arm - intake 0.13 — 0.18 mm 0.05 — 0.18 mm
Opening rocker arm - exhaust 0.18 — 0.23 mm 0.05 — 0.23 mm
Closing rocker arm - intake 0.13 — 0.18 mm 0.13 — 0.25 mm
Closing rocker arm - exhaust 0.18 — 0.13 mm 0.08 — 0.20 mm
Belt tensioning Mathesis 142 Hz (horizontal)
142 Hz (vertical)
142 Hz (horizontal)
142 Hz (vertical)