BMW C 400X (2020) vs Ducati 900 S2 (1984) vs SYM ComBiz 125 (2014) vs Ducati Diavel (2015-16)
Comparison technical specifications
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| Make: | BMW | Ducati | SYM | Ducati |
| Model: | C 400X | 900 S2 | ComBiz 125 | Diavel |
| Years: | 2020 | 1984 | 2014 | 2015-16 |
| Engine: | Four stroke, Single cylinder, SOHC, 4 Valves, with rocker arm. | Four stroke, 90°“L”twin cylinder, SOHC, 2 valves per cylinder, bevel gear driven | Single cylinder, 4-stroke, 2V, SOHC | Four stroke, 90°“L”twin cylinder, DOHC, desmodromic 4 valve per cylinder. |
| Capacity: | 350 cc / 21.3 cub in. | 864 cc / 52.7 cu in | 124.6 cc / 7.6 cub in. | 1198.4 cc / 73.1 cu-in |
| Compression Ratio: | 11.5:1 | 9.3:1 | 11.2:1 | 12.5:1 |
| Induction: | Fuel injection, BMS-E2 40mm throttle valve diameter | 2 x Dell'Orto PHF 30A or PHM 40B carburetors / 32mm Dell'Orto PHF | Electronic | Mitsubishi electronic fuel injection system, Mikuni elliptical throttle bodies with RbW |
| Starting: | Electric, 500 kW | Electric | Electric | Electric |
| Clutch: | Centrifugal clutch | Wet, multiplate | Centrifugal | Light action, wet, multiplate clutch with hydraulic control. Self-servo action on drive, slipper action on over-run. |
| Transmission: | Continuously variable CVT belt transmission | 5 Speed | CVT | 6 Speed |
| Final Drive: | Gear reduction cog wheel pairing | Chain | Belt | Chain Front sprocket 15; Rear sprocket 43 |
| Front Suspension: | 35mm Telescopic forks. | 38 mm Marzocchi telescopic fork | Telescopic fork | Marzocchi 50mm fully adjustable usd forks, |
| Rear Suspension: | Aluminum double-sided swing arm, double spring strut, adjustable spring preload | Marzocchi ET85 dual shocks, 5-way adjustable | Twin sided swing arm, adjustable dampers | Progressive linkage with fully adjustable Sachs monoshock. Aluminium single-sided swingarm, |
| Front Brakes: | 2x 265mm Rigid discs 4 piston caliper. | 2 x 280 mm Disc, 1 piston caliper | Single hydraulic disc, 180 mm | 2 x 320mm semi-floating discs, radially mounted Monobloc Brembo callipers, 4-piston with ABS |
| Rear Brakes: | Single 265mm disc 1 piston caliper. | Single 280 mm disc | Drum, 130 mm | Single 265mm disc, 2-piston floating calliper with ABS |
| Dimensions: | Length 2210 mm / 87 in Width 833 mm / 32.8 in | Length: 2200 mm / 86.6 in Width: 700 mm / 27.6 in Height: 1250 mm / 49.2 in | Length: 1920 mm / 75.6 in. Width: 680 mm / 26.8 in. Height: 1080 mm / 42.5 in. | Length 2235 mm Width 860 mm Height 1192 mm |
| Seat Height: | 775 mm / 30.5 in | 840 mm / 33.1 in | 750 mm / 29.5 in. | 770 mm / 30.3in |
| Fuel Capacity: | 12.8 Litres / 3.4 US gal | 18 L / 4.8 US gal / 4.0 Imp gal | 5.5 L / 1.5 US gal | 17 Litres / 5.3 US gal |