Technical specifications
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| Model: |
640 LC4 Supermoto |
| Years: |
2003-04 |
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Engine:
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Four stroke, single Cylinder. SOHC, 4 Valve per cylinder,
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Capacity:
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624.6 cc / 38.1 cu in
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Bore x Stroke:
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101 x 78 mm
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Compression Ratio:
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11.0:1
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Cooling System:
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Liquid cooled
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Induction:
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Mikuni BST 40
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Ignition:
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Contactless DC-CDI ignition with digital advanced system, KOKUSAN
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Spark Plug:
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NGK DPR8 EA-9
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Battery:
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12V 8Ah, maintenance free
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Starting:
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Kick & electric
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Max Power:
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35.7 kW / 49 hp @ 7500 rpm
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Max Torque:
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52 Nm / 5.3 kgf-m / 38.4 lb-ft @ 5500 rpm
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Clutch:
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Wet, multiplate
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Transmission:
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5 Speed, claw shifted
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Primary Drive Ratio:
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30:81
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Gear Ratios:
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1st 14:35 / 2nd 15:24 / 3rd 18:21 / 4th 20:19 / 5th 22:18
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Final Drive Ratio:
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17:42
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Final Drive:
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Chain 5/8 x 1/4" O-ring
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Frame:
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Central chrome-moly-steel frame
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Front Suspension:
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43 mm WP upside-down forks
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Front Wheel Travel:
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270 mm / 10.6 in
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Rear Suspension:
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Central shock absorber (WP) with PRO-LEVER linkage to rear-swingarm with needle bearing
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Rear Wheel Travel:
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300 mm / 11.8 in
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Front Brakes:
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Single 320 mm disc, 4piston floating caliper
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Rear Brakes:
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Single 220 mm disc, 1 piston floating caliper
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Front Tyre:
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120/70 - 17
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Rear Tyre:
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160/60 - 17
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Steering Head Angle:
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62.5o
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Wheelbase:
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1510 mm / 59.4 in
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Ground Clearance:
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335 mm / 13.2 in
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Seat Height:
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915 mm / 36.0 in
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Dry Weight:
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137 kg / 302 lbs
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GVWR:
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350 kg / 773 lbs
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Fuel Capacity:
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11 L / 2.9 US gal / 2.4 Imp gal
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Fuel Reserve:
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2.5 L / 2.6 US qt / 2.2 Imp qt
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