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2004 KTM 450 SMR

KTM 450 SMR

So uncompromising like the big bikes, not only in appearance. For junior world champions ages 9 and up. With adequate competition chassis, disc brakes front and rear, liquid cooled racing engine with 6-gear shift mechanism and hydraulic clutch.

The 65 SX is equipped with a new front brake system, similar to the 85 SX (11 mm hand-brake cylinder piston, four-piston callipers 2x20 and 2x22 mm, 200 mm brake disc). The foot brake features integrated reservoir and dual-piston rear brake calliper (11 mm foot brake cylinder piston, dual-piston calliper 2x22 mm, 160 mm brake disc). New carburettor with chromium-plated slide and air control screw. Water pump improved for enhanced water pump shaft durability.

  • Engine - single cylinder, 4-stroke
  • Displacement (cc) - 449.39
  • Bore x stroke (mm) - 95 x 63.4
  • Compression ratio - 12:1
  • Starter - kick-starter
  • Transmission - 6 gears
  • Carburetor - Keihin MX FCR 41
  • Control - 4 V / OHC with roller rocker lever
  • Lubrication - pressure lubrication with 2 Eaton pumps
  • Engine oil - 1,2 l Motorex Power Synt 4T 10W/50
  • Primary drive - 33 : 76
  • Cooling - liquid cooled
  • Clutch - wet multi-disc clutch, operated hydraulically
  • Ignition - Kokusan digital 4K-3A
  • Frame - chromium molybdenum
  • Subframe - aluminium
  • Handlebar - tapered Renthal R 28 mm
  • Front suspension - WP-USD 48/26 MA/PA
  • Rear suspension - WP-PDS-DA shock absorber
  • Suspension travel, front/rear - 285 / 300 mm
  • Front / Rear brakes - disc brakes 310 / 220 mm
  • Front / rear rims - 3.50 x 17"; 5.00 x 17"
  • Front / rear tires - 120/75-17"; 165/55-17"
  • Transmission - 14:45
  • Chain - X-ring chain 5/8 x 1/4"
  • Main silencer - aluminum
  • Steering head angle - 63.5
  • Wheel caster - 112 mm
  • Wheelbase - 148110 mm
  • Ground clearance (unloaded) - 310 mm
  • Seat height - 855 mm
  • Fuel capacity - approx. 7 litres
  • Weight (ready to race, no fuel) - approx. 106.9 kgs