ST4S (2005)

Motor
Tipo
L-Twin cylinder, 4 valves per cylinder Desmodromic, liquid cooled
Cilindrada
996cc
Diámetro x carrera
98 x 66mm
Ratio de compresión
10.5:1 
Potencia
116hp - 85kw @ 8750rpm
Torque
10kgm @ 7250rpm
Inyección de combustible
Marelli electronic fuel injection, 50mm throttle body
Escape
2 aluminium mufflers with catalytic converter (non-catalytic on USA version)
Transmisión
Caja de cambios
6 speed
Transmisión primaria
Straight cut gears, ratio 1.84
Relación de transmisión
1st 37/15, 2nd 30/17, 3rd 27/20, 4th 24/22, 5th 23/24, 6th 24/28
Transmisión secundaria
Chain; Front sprocket 15; Rear sprocket 38
Embrague
Wet multiplate with hydraulic control
Parte ciclo
Chasis
Tubular steel trellis
Suspención delantera
Showa 43mm upside-down fully adjustable fork with TiN surface treatment
Rueda delantera
5-spoke light alloy 3.50 x 17
Neumático delantero
120/70 ZR17
Suspención trasera
Progressive linkage with fully adjustable Öhlins monoshock with remote control preload adjustament. Aluminium swingarm
Rueda trasera
5-spoke light alloy 3.50 x 17
Neumático trasero
180/55 ZR17
wheel-travel-front
130mm / 5.1in
wheel-travel-rear
130mm / 5.1in
Freno delantero
2 x 320mm semi-floating discs, 4-piston caliper
Freno trasero
245mm disc, 2-piston caliper
Instrumentación
Electronic instrument panel using CAN communication protocol with CPU, multifunctional digital display (including speedometer, clock, water temperature, fuel gauge, instant/average consumption, consumed fuel, remaining distance), analog rev counter, self-adjusting pilot lights (depending on outdoor light), headlight angle adjustment, immobilizer system.
Dimensiones y peso
Peso en seco
201kg / 442.7lb
Altura asiento
820mm / 32.8in
Distancia entre ejes
1430mm / 56.3in
Ángulo de avance
24°
Capacidad del tanque de combustible
21l (of which 6l reserve) / 5.5 US gal (of which 1.5 US gal reserve)
Número de asientos
Two seats
Garantía y mantenimiento
Garantía
2 years unlimited mileage
Emisiones y consumos
Homologación
Euro2