Technical specifications
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| Model: |
ST4S |
| Years: |
2001-02 |
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Engine:
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Four stroke, 90°“L”twin cylinder, DOHC, desmodromic 4 valve per cylinder.
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Capacity:
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996 cc / 60.8 cu in
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Bore x Stroke:
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98 x 66 mm
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Cooling System:
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Liquid cooled
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Compression Ratio:
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11.5:1
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Lubrication:
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Wet sump
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Engine Oil:
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Synthetic, 20W/50
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Exhaust:
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2 aluminum mufflers with catalytic converter (non-catalytic on USA version)
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Induction:
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Fuel injection, 50 mm throttle body
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Ignition:
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Marelli electronic
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Spark Plug:
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Champion, RA59GC
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Starting:
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Electric
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Battery:
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12V 10Ah
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Max Power:
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85.3 kW / 117 hp @ 8750 rpm
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Max Torque:
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98 Nm / 10 kgf-m / 72.2 ft-lb @ 7000 rpm
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Clutch:
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Wet multiplate with hydraulic control
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Transmission:
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6 Speed
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Final Drive:
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Chain; front sprocket 15; rear sprocket 38
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Gear Ratio:
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1st 37/15, 2nd 30/17, 3rd 27/20, 4th 24/22, 5th 23/24, 6th 24/28
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Primary Drive:
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Straight cut gears; ratio 1.84:1 (32/59)
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Frame:
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Tubular steel trellis
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Front Suspension:
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Showa 43 mm fully adjustable upside-down front fork with TiN surface treatment,
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Front Wheel Travel:
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130 mm / 5.1 in
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Rear Suspension:
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Progressive linkage with fully adjustable Öhlins monoshock with remote control preload adjustment. Aluminium swingarm
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Rear Wheel Travel:
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148 mm / 5.8 in
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Front Brakes:
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2x 320mm discs 4 piston calipers with abs
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Rear Brakes:
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Single 245mm disc 2 piston caliper with abs
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Front Wheel:
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5-spoke light alloy 3.50 x 17
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Rear Wheel:
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5-spoke light alloy 5.50 x 17
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Front Tyre:
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120/70 - ZR17
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Rear Tyre:
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190/50 - ZR17
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Rake:
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24°
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Dimensions:
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Length 2070 mm / 81.4 in Width: 910mm / 35.8in Height 1274 mm / 50.2 in
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Wheelbase:
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1430 mm / 56.3 in
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Seat Height:
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820 mm / 32.3 in
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Dry Weight:
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202 kg / 467 lbs
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Fuel Capacity:
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21 Litres / 5.5 US gal / 4.6 Imp gal
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Consumption Average:
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4.8 L/100 km / 20.8 km/l / 50 US mpg / 59 Imp mpg
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Standing ¼ Mile:
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10.7 sec
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Top Speed:
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249 km/h / 155 mph
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