ST4S (2003)

Moteur
Type
L-Twin cylinder, 4 valve per cylinder Desmodromic, liquid cooled
Cylindrée
996cc
Alésage x course
98x66mm
Ratio de compression
11.5:1 
Puissance
116hp - 85kw @ 8750rpm
Couple
10kgm - 98Nm @ 7250rpm
Injection
Marelli electronic fuel injection, 50mm throttle body
Échappement
2 aluminum mufflers with 3-way catalytic converter (non-catalytic for USA version)
Transmission
Boîte de vitesse
6 speed
Transmission primaire
Straight cut gears, ratio 1.84
Ratio
1st 37/15, 2nd 30/17, 3rd 27/20, 4th 24/22, 5th 23/24, 6th 24/28
Transmission finale
Chain; Front sprocket 15; Rear sprocket 38
Embrayage
Dry multiplate with hydraulic control
Châssis
Cadre
Tubular steel trellis
Suspension avant
Showa 43mm upside-down fully adjustable fork with TiN surface treatment
Roue avant
5-spoke light alloy, 3.50x17
Pneu avant
120/70 ZR17
Suspension arrière
Progressive linkage with fully adjustable Öhlins monoshock with remote control preload adjustament. Aluminium swingarm
Roue arrière
5-spoke light alloy 5.50 x 17
Pneu arrière
180/55 ZR17
wheel-travel-front
130mm / 5.1in
wheel-travel-rear
148mm / 5.8in
Frein avant
2 x 320 mm semi-floating discs, 4-piston caliper
Frein arrière
245mm disc, 2-piston caliper
Tableau de bord
Electronic instrument pannel using CAN communication protocol with CPU: multifunctional digital display (including speedometer, clock, water temperature, fuel gauge, instant/average consumption, consumed fuel, rimanent autonomy), analogic rev counter, self adjusting pilot lights (depending on outdoor light), headlight angle adjustment, immobilizer system
Dimensions et poids
Pois à sec
212kg / 467lb
Hauteur de selle
820mm / 32.8in
Empattement
1430mm / 56.3in
Angle de chasse
24°
Capacité du réservoir
21l (of which 6l reserve) / 5.5 US gal (of which 1.5 US gal reserve)
Garantie et Maintenance
Garantie
2 years unlimited mileage
Emissions et consommation
Standard
Euro2 (except USA version)