MCNEWS.COM.AU - The ultimate in motorcycle news 2003 KTM 65 SX MCNEWS.COM.AU - The ultimate in motorcycle news
 
To use the maximum displacement for its class in 2003, the stroke has grown grew from 40 to 40,8 mm and a displacement of 64.85cc.

An aluminium kick-starter instead of the former steel lever saves weight and a new joint makes it easier to operate.

The ignition cover is made of aluminum instead of plastic.

The 65 SX is now equipped with a state-of-the-art digital ignition. The handlebar now also comes with a handlebar cross bar.

 

Specifications - 2003 KTM 65 SX

  • Engine - single cylinder, 2-stroke
  • Displacement - 64.85cc
  • Bore x stroke (mm) - 45 / 40.8
  • Starter - Kick-starter
  • Carburetor - Mikuni VM 24
  • Engine lubrication - mixture lubrication
  • Primary ratio - 23:75
  • Final drive - chain 1/2 x 1/4" 112 R
  • Cooling - liquid cooled
  • Clutch - wet multi-disc clutch, operated hydraulically
  • Ignition - Morik Digital
  • Frame - chromium molybdenum central-type frame
  • Subframe - Aluminium
  • Handlebar - Aluminium
  • Front suspension - USD Marzocchi Ø 35 mm
  • Rear suspension - WP monoshock
  • Suspension travel front / rear - 220/270 mm
  • Front brake - disc brake Ø 200 mm
  • Rear brake - disc brake Ø 160 mm
  • Front / rear rim - 1.6 x 14"; 1.6 x 12"
  • Front / rear tyre - 60/100-14"; 80/100-12"
  • Transmission ratio - 14:50
  • Main silencer - Aluminium
  • Steering head angle - 63.8°
  • Wheel caster -  68.7 mm
  • Wheelbase - 1137±6mm
  • Ground clearance (unloaded) - 290 mm
  • Seat height - 750 mm
  • Fuel capacity - approx. 3.4 litres
  • Weight (ready to race, no fuel) - approx. 55.6kg

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