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Ducati ST2 User Manual

Ducati ST2
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76
SCHEMA DISTRIBUZIONE
DESMODROMICA (fig. 16.1)
1) Bilanciere di apertura (o superiore);
2) Registro bilanciere superiore;
3) Semianelli;
4) Registro bilanciere di chiusura (o inferiore);
5) Molla richiamo bilanciere inferiore;
6) Bilanciere di chiusura (o inferiore);
7) Albero distribuzione;
8) Valvola.
DATI DISTRIBUZIONE (fig. 16.2)
Il gioco di funzionamento delle punterie, a
motore freddo, deve essere:
A) Bilanciere di apertura
Aspirazione:
0,10÷ 0,12 mm
Scarico:
0,12÷ 0,15 mm
B) Bilanciere di chiusura
Aspirazione e scarico:
0,03÷ 0,05 mm
Importante
Il gioco di funzionamento delle punterie
rappresenta un parametro molto importante per
garantire le prestazioni e la durata del Vostro
motore. Rivolgetevi presso i Centri di Assistenza
Ducati per far eseguire correttamente questa
operazione negli intervalli prescritti.
DESMODROMIC TIMING SYSTEM
(fig. 16.1)
1) Opening (or upper) rocker.
2) Opening rocker shim.
3) Split rings.
4) Closing (or lower) rocker shim.
5) Return spring for lower rocker.
6) Closing (or lower) rocker.
7) Camshaft.
8) Valve.
TIMING SPECIFICATIONS (fig. 16.2)
Working clearance of valve tappets, with cold
engine, must be:
A) Opening rocker
Intake:
0.10–0.12 mm
Exhaust:
0.12–0.15 mm
B) Closing rocker
Intake and exhaust:
0.03–0.05 mm
Importante
The working clearance of the valve tappets
is essential to preserving your bike’s
performance and engine life. Contact the Ducati
Service Centres to have valve clearance adjusted
at the recommended intervals.
SCHEMA DE DISTRIBUTION
DESMODROMIQUE (fig. 16.1)
1) Culbuteur d’ouverture (ou supérieur).
2) Elément de réglage culbuteur supérieur.
3) Demi-lunes.
4) Elément de réglage culbuteur de fermeture
(ou inférieur).
5) Ressort de rappel du culbuteur inférieur.
6) Culbuteur de fermeture (ou inférieur).
7) Arbre à cames.
8) Soupape.
DONNEES SUR LA DISTRIBUTION
(fig.16.2)
Le moteur froid, le jeu de fonctionnement des
poussoirs de soupapes doit être:
A) Culbuteur d’ouverture
Admission:
0,10÷ 0,12 mm
Echappement:
0,12÷ 0,15 mm
B) Culbuteur de fermeture
Admission et échappement:
0,03÷ 0,05 mm
Important
Le jeu de fonctionnement des poussoirs
de soupapes représente un paramètre très
important pour garantir les performances et la
longévité de votre moteur. Adressez-vous aux
Centres Service Après-Vente Ducati pour réaliser
cette opération avec la périodicité prescrite.
3a_st2.pm6 20-10-2009, 10:1576

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Ducati ST2 Specifications

General IconGeneral
Displacement944 cc
Bore x Stroke94 mm x 68 mm
Transmission6-speed
Fuel SystemElectronic fuel injection
FrameTubular steel trellis
Rear Brakes245 mm disc, 2-piston caliper
Front Tyre120/70 ZR 17
Rear Tyre170/60 ZR 17
Wheelbase1430 mm
Seat Height820 mm
Power83 hp @ 8500 rpm
Torque84 Nm @ 6500 rpm
Front Brakes2 x 320 mm discs, 4-piston calipers
Fuel Capacity21 liters
Engine TypeL-twin, 4-valve per cylinder, desmodromic
Rear SuspensionProgressive linkage with adjustable monoshock

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