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2004 KTM 640 LC4 Adventure

KTM 640 LC4 Adventure

Adventure everywhere: on Alpine roads, gravel runs, or sand dunes, at the weekend, or on long trips. The series version of Richard Sainct's current Dakar Rally-winning bike. 30 litre tank, frameattached fairing, trip master cockpit. Characterised by the low Rally fender in front and the new front double disk brake.

  • Handlebars 15 mm higher.
  • New ground of the silencer and the silencer clamp polished Niro surface.
  • Filter-cap lockable with ignition key as on LC4 Enduro.
  • New 48-mm-USD-fork
  • 26 mm front wheel spindle.
  • Engine - single-cylinder 4-stroke engine
  • Displacement (cc) - 625
  • Bore / stroke (mm) - 101 / 78
  • Performance (homologated) - 40 kW / 7000 rpm
  • Max. torque - 55 Nm / 5500 rpm
  • Compression ratio - 11.5:1
  • Starter - E-starter and kickstarter
  • Transmission - 5 gears, dog-clutch engagement
  • Carburetor - Mikuni BST 40
  • Control - 4 valves / OHC, roller rocker lever
  • Lubrication - Pressure lubrication with 2 Eaton pumps
  • Engine oil - Motorex Power Synt 4T 10W-50
  • Primary drive - 31:79
  • Cooling - liquid-cooled
  • Clutch - wet multi-disc clutch, operated hydraulically
  • Ignition - Kokusan DC-CDI 4K5
  • Frame - chromium-molybdenum, power-coated
  • Subframe - chromium-molybdenum, power-coated
  • Handlebar - aluminum, conified
  • Front suspension - WP-USD 48 MA
  • Rear suspension - WP - Monoshock
  • Suspension travel, front/rear - 270 / 320 mm
  • Front brake - double disc, 300 mm
  • Rear brake - Brembo 1-piston floating caliper, 220 mm disc
  • Rims, front/rear - 1.60 x 21" / 2.50 x 18" DID
  • Tyres, front/rear - 90/90-21" ; 140/80-18"
  • Transmission ratio - 16:42
  • Chain - X-ring chain 5/8 x 1/4 "
  • Battery - 12V 8Ah
  • Main silencer - premium steel HGS 4
  • Steering head angle - 62.5
  • Wheel caster - 124 mm
  • Wheelbase - 151010mm
  • Ground clearance (unloaded) - 315 mm
  • Seat height - 945 mm
  • Fuel capacity - approx. 28 liters / 3.5 liters reserve
  • Weight (no fuel) - approx. 158 kg