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2003 450 SX Racing
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DNS OFFROAD PRODUCTS |
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ENGINE |
| Bore x Stroke (mm) | 95 / 63,4 mm |
| Transmission | 4 gears |
| Displacement (cc) | 449,39 cc |
| Cooling | liquid cooled |
| Clutch | Wet multi-disc clutch, operated hydraulically |
| Valve | 4V / OHC with roller rocker lever |
| Engine Type | single cylinder, 4-stroke |
| Motor Oil | Motorex Power Synt 4T 10W-50 |
| Primary ratio | 33:76 |
| Lubrication | Pressure lubrication with 2 Eaton pumps |
| Starter | kick starter |
| Compression ratio | 12:1 |
| Carburetor | Keihin MX FCR 41 |
| Ignition | Kokusan digital 4K-3A |
| Secondary ratio | 14:50, chain 5/8 x1/4" |
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CHASSIS |
| Rim front/rear | 1,60x21" / 2,15x19" EXCEL |
| Tire front/rear | 80/100-21", 110/90-19" |
| Ground clearance (unloaded) | 380mm |
| Rear brake | disc brake 220mm |
| Front brake | disc brake 260mm |
| Main silencer | Aluminum |
| Rear suspension | WP-PDS-Shockabsorber DA |
| Front suspension | WP-USD 48 MA/PA |
| Suspension travel front/rear | 300/335mm |
| Weight | approx. 104,1 kg |
| Handlebar | Tapered aluminum RENTHAL |
| Wheel caster | 112mm |
| Wheelbase | 1481±10mm |
| Frame | Chromium molybdenum |
| Subframe | Aluminum |
| Seat height (unloaded) | 925mm |
| Steering head angle | 63,5° |
| Fuel capacity | approx. 7 liters |