SWM SM 650 R (2015) vs Ducati 749 (2004) vs Ducati E900 (1995-96)
Comparison technical specifications
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| Make: | SWM | Ducati | Ducati |
| Model: | SM 650 R | 749 | E900 |
| Years: | 2015 | 2004 | 1995-96 |
| Engine: | Single cylinder, four stroke, DOHC, 4 valve | Four stroke, 90°“L”twin cylinder, DOHC, desmodromic 4 valve per cylinder. | Four stroke, 90° “L” twin cylinder, SOHC, desmodromic 2 valve per cylinder |
| Capacity: | 600 cc / 36.6 cu in | 748.4 cc / 45.7 cu in | 904 cc / 55.1 cu-in |
| Bore x Stroke: | 100 x 76.5 mm | 90 x 58.8 mm | 92 x 68 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Air cooled |
| Compression Ratio: | 12.9:1 | 11.7:1 | 9.2:1 |
| Induction: | EFI, Mikuni D45 | Marelli electronic fuel injection, 54 mm throttle body | Mikuni BDST 38 carburetors |
| Ignition: | Electronic, inductive discharge, with adjustable advance (digital control) | Digital CDI | Marelli electronic inductive discharge |
| Starting: | Electric with automatic decompressor | Electric | Electric |
| Clutch: | Wet, multiplate, hydraulic control | Dry multiplate with hydraulic control | Dry Multi-disc |
| Transmission: | 6-Speed, constant mesh | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain | Chain |
| Frame: | High strength steel single beam double cradle main frame; rear frame in light alloy | Tubular ALS450 steel trellis | Double steel tubular cradle |
| Front Suspension: | Upside-down telescopic hydraulic fork with forward axle; compression and rebound damping adjustment, Kayaba | Showa 43mm fully-adjustable upside-down fork with TiN | 45mm Showa upside down telescopic forks |
| Rear Suspension: | Progressive "Soft Damp" type with single hydraulic shock absorber; spring preload adjustment, compression and rebound damping adjustment (compression high & low speed), Kayaba | Progressive linkage with fully-adjustable Showa monoshock | Rising rate box, monoshock adjustable for preload |
| Front Brakes: | Ø320 mm Fixed disc with radial caliper | 2 x 320mm Disc, 4 piston calipers | 2x 282mm discs 4 piston calipers |
| Rear Brakes: | Ø240 mm Floating disc, with hydraulic control and floating caliper | Single 245 mm disc, 2 piston caliper | Single 240mm disc 4 piston caliper |
| Front Tyre: | 120/70-17"" Michelin Pilot Power 2CT | 120/70 ZR17 | 100/90-19 |
| Rear Tyre: | 150/60-17" Michelin Pilot Power 2CT | 180/55 ZR17 | 140/80-17 |
| Dimensions: | Length: 2169 mm / 85.4 in Width: 840 mm / 33.1 in Height: 1171 mm / 46.1 in | Length: 2095 mm / 82.5 in Width: 730 mm / 28.7 in Height: 1090 mm / 42.9 in | Length 2295 mm / 90.3 in Width 860 mm / 33.8 in Height 970 mm / 38.1 in |
| Wheelbase: | 1496 mm / 58.9 in | 1420 mm / 55.9 in | 1570 mm / 61.8 in |
| Seat Height: | 909 mm / 35.8 in | 780 mm / 30.7 in | 857 mm / 33.7 in |
| Dry Weight: | 147 kg / 324 lbs | 199 kg / 438 lbs | 204 kg / 449.7 lbs |
| Fuel Capacity: | 12 L / 3.2 US gal | 15.5 L / 4.1 US gal / 3.4 Imp gal | 22 Litres / 5.8 US gal |