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2004 KTM Sportminicycles - 85 SX

KTM 85 SX

The 85 SX is the latest KTM offer. After presenting the prototype at the Intermot in Munich last year, this year the 85 SX goes into series production. A completely new development with all the important features of the successful "big sisters" from the Motocross GP sport. This model closes the gap between the sportminicycles and the full-sized motorbikes.

The offspring crosser 85 SX is a completely new construction which closes the last gap in the KTM model family. KTM also remains true to its principle with the newly conceived 85 SX: development from racing and for racing, combined with best workmanship qualities, and careful choice of components. Because when it comes to the motor and chassis, the new 85 SX doesn't have to hide from the KTM family's big crossers one bit. Full-size White Power suspension, hydraulic disc brakes and clutch, a lighter and torsionally stiffer chrome-moly-steel frame and 19"/16" (alternative 17"/14") wheels show the competition that the 85s rule again - in orange.

  • Completely new developed liquid cooled 2-stroke engine with 84.93 cc and mechanical exhaust control.
  • Hydraulically operated wet multi-disc clutch.
  • 6-gear transmission.
  • Extra large air filter box and air filter similar in size to a standard 125 bike.
  • Keihin PWK 28 carburettor for an extremely broad power band.
  • New cast swing arm.
  • Frame geometry following that of the 125 SX.
  • Aluminum rear frame.
  • One-piece rear with integrated side covers resp.
  • 43 mm White Power USD fork with adjustable rebound and compression (each 20 positions) and 275 mm travel.
  • White Power PDS rear shock with adjustable rebound and adjustable high- and low-speed compression and 288 travel.
  • High quality Excel rims with reinforced spokes.
  • 17"/14" wheels can be easily replaced by 19"/16" wheels without any changes on the bike.
  • 220 mm front wheel brake disc with 4-piston calliper.
  • 200 mm rear wheel brake disc with 4-piston calliper.
  • Foot brake-cylinder with integrated compensation tank.
  • Total weight 67 kg.
  • Engine Type - single cylinder, 2-stroke
  • Displacement (cc) - 84.93
  • Bore x stroke (mm) - 47 x 48.95
  • Starter - Kick-starter
  • Carburetor - Keihin PWK 28
  • Engine lubrication - mixture lubrication
  • Primary drive - 19:66
  • Final drive - chain 1/2 x 5/16" 124 R
  • Cooling - liquid cooled
  • Clutch - wet multi-disc clutch, operated hydraulically
  • Ignition - Moric 2M1
  • Frame - chromium molybdenum central-type frame
  • Subframe - Aluminum
  • Handlebar - Alu D22
  • Front suspension - WP USD 43
  • Rear suspension - WP PDS monoshock
  • Suspension - travel front / rear 275/(287/300) mm
  • Front brake - disc brake R 220 mm
  • Rear brake - disc brake R 200 mm
  • Front / rear rim - 1,6 x 19"; 1,85 x 16"
  • Front / rear tire - 70/100-19"; 90/100-16"
  • Transmission ratio - 14:49
  • Main silencer - Aluminum
  • Steering head angle - 24
  • Wheel caster - 95 mm
  • Wheel base - 1278 mm
  • Ground clearance (unloaded) - 430 mm
  • Seat height - 900 mm (adjustable)
  • Fuel capacity - approx. 5 liters
  • Weight (ready to race, no fuel) - approx. 68 kgs