Comparison of KTM 450 SX 2009 and KTM 450 SX 2012 [S]ave
| Attribute |  KTM 450 SX 2012 × |  KTM 450 SX 2009 × |
|---|---|---|
| General | ||
| Production from (year) | 2012 | 2009 |
| Make | KTM | KTM |
| Model | KTM 450 SX | KTM 450 SX |
| Category | ATV | ATV |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 4 | - |
| Fuel system | Carburettor. Keihin MX FCR 41 | Carburettor. Keihin FCR-MX 41 |
| Engine details | Cam levers, drive via helical gear pair and tooth-wheel chain | - |
| Displacement (cm³) | 510.4 | 449 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | - |
| Bore (mm) | 97 | 97 |
| Stroke (mm) | 60.8 | 60.8 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Single Overhead Cams (SOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Driveline | 14:38 | - |
| Ignition | Kokusan digital 4K-3B | Kokusan digital |
| Clutch | Wet multi-disc clutch, operated hydraulically | Wet multi-disc clutch, operated hydraulically |
| Lubrication system | Pressure lubrication with 2 Eaton pumps | Dry sump, pressure lubrication with 2 Eaton pumps |
| Compression | 11.0:1 | 12.5:1 |
| Exhaust system | - | Aluminum SX Racing w / Spark Arrestor |
| Chassis | ||
| Front suspension | Ohlins fully adjustable, Twin Chromoly A-arms | WP fully adjustable, twin A-arms |
| Rear suspension | Ohlins PDS Mono-shock, Fully Adjustable, Chromoly Swingarm | WP PDS mono-shock, fully adjustable, swingarm |
| Front brakes | Single disc. Floating Wave discs, 4-piston fixed caliper | Single disc |
| Rear brakes | Single disc. Single piston floating caliper | Single disc |
| Diameter (mm) | 200 | 200 |
| Frame type | Chromoly (25 CrMo4). Subframe: Aluminum. | Chromoly |
| Front tyre | 20/7-10 | 20/6-10 |
| Rear tyre | 20/11-9 | 18/10-8 |
| Front wheel travel (mm) | 244 | 244 |
| Rear wheel travel (mm) | 258 | 258 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,280 | 1,280 |
| Dry weight (kg) | 165 | 165 |
| Seat height (mm) | 795 | 795 |
| Ground clearance (mm) | 265 | 265 |
| Performance | ||
| Fuel capacity (l) | 10.3 | 10.3 |
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