BMW R 50/2 (1960-69) vs Ducati 916 (1997) vs Suzuki SP 370 (1977-79) vs Suzuki DR 370SP (1979)
Comparison technical specifications
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| Make: | BMW | Ducati | Suzuki | Suzuki |
| Model: | R 50/2 | 916 | SP 370 | DR 370SP |
| Years: | 1960-69 | 1997 | 1977-79 | 1979 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. | Four stroke, 90° “L” twin cylinder, DOHC, desmodromic 4 valve per cylinder, belt driven | Four stroke, single cylinder, SOHC | Four stroke, single cylinder, SOHC |
| Capacity: | 494 cc / 30.1 cu in. | 916 cc / 55.9 cu in | 369 cc / 22.5 cu in | 369 cc / 22.5 cu in |
| Bore x Stroke: | 68 x 68 mm | 94 x 66 mm | 85 x 65.2 mm | 85 x 65.2 mm |
| Compression Ratio: | 6.8:1 | 11.0:1 | 8.7:1 | 8.7:1 |
| Cooling System: | Air cooled | Liquid cooled | Air cooled | Air cooled |
| Induction: | 2 x Bing 1/24/45 - 1/24/46 carburetors | Weber I.A.W. CPU P8 electronic indirect injection | 1 x 32mm Mikuni BS32SS carburetor | 1 x 32mm Mikuni BS32SS carburetor |
| Ignition: | Magneto ignition | Electronic I.A.W | Magneto battery point | Magneto battery point |
| Starting: | Kick | Electric | Kick | Kick |
| Clutch: | Single plate saucer spring, dry | Dry, multiplate | Wet multiplate | Wet multiplate |
| Max Power: | 19.4 kW / 26 hp @ 5800 rpm | 83.8 kW / 114 hp @ 9000 rpm | 19.3 kW / 26 hp @ 5700 rpm | 19.3 kW / 26 hp @ 5700 rpm |
| Transmission: | 4 Speed | 6 Speed | 5 Speed | 5 Speed |
| Final Drive: | Shaft | Chain | Chain | Chain |
| Frame: | Double loop steel tubular frame | Steel, Trellis frame | Single downtube, cradle | Single downtube, cradle |
| Front Suspension: | Telescopic fork | 43 mm Adjustable Showa GD051 inverted fork | Telescopic fork, oil/gas damped | Telescopic fork, oil/gas damped |
| Rear Suspension: | Long swing arm with suspension units and oil pressure shock absorbers | Showa GD52-007-02, rising rate progressive linkage adjustable monoshock | Full floater, swingarm, gas shocks | Full floater, swingarm, gas shocks |
| Front Brakes: | ∅200mm Drum, duplex full hub | 2 x 320 mm Discs, 4 piston calipers | 150 mm Drum | 150 mm Drum |
| Rear Brakes: | ∅200mm Drum, simplex full hub | Single 220 disc, 2 piston caliper | 150 mm Drum | 150 mm Drum |
| Front Tyre: | 3.50 -18" | 120/70 ZR17 | 3.00 - 21 PR | 3.00 - 21 PR |
| Rear Tyre: | 4.00 -18" | 190/50 ZR17 or 180/55 ZR17 | 4.00 -18 PR | 4.00 -18 PR |
| Fuel Capacity: | 17 liters / 4.49 US gal | 17 Litres / 4.4 US gal / 3.7 Imp gal | 8.5 Litres / 2.2 US gal / 1.9 Imp gal | 8.5 Litres / 2.2 US gal / 1.9 Imp gal |