BMW K75S (1992) vs BMW R 100S (1976-78) vs Ducati Monster 1200S Black (2020) vs Beta RR 400 Enduro (2011-13)
Comparison technical specifications
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| Make: | BMW | BMW | Ducati | Beta |
| Model: | K75S | R 100S | Monster 1200S Black | RR 400 Enduro |
| Years: | 1992 | 1976-78 | 2020 | 2011-13 |
| Engine: | Four-stroke, horizontal three cylinder in-line, DOHC, 2 valves per cylinder | Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder | Four stroke, Testastretta 11° L-Twin, DOHC, 4 Desmodromically actuated valves per cylinder | Four stroke, single cylinder, DOHC, 4 valve |
| Capacity: | 740 cc / 45 cub. in. | 980 cc / 59.8 cu in | 1198 cc / 72.9 cu-in | 398 cc / 24.3 cu in |
| Bore x Stroke: | 67 x 70 mm | 94 x 70.6 mm | 106 x 67.9 mm | 95 x 56.2 mm |
| Compression Ratio: | 11.0:1 | 9.5:1 | 13.0:1 | 12.4:1 |
| Lubrication: | Wet sump | Wet sump | Wet, multiplate clutch with hydraulic control. Self-servo action on drive, slipper action on over-run. | Liquid cooled |
| Induction: | Electronic injection, Bosch LE-Jetronic | 2 x constant depression carburettors, Bing 94/40/105 - 94/40/106 | Electronic fuel injection system, 56mm oval throttle bodies with full Ride-by-Wire | Keihin FCR-MX 39 mm |
| Starting: | Electric | Electric | Electric | Electric start with back up kick starter. |
| Transmission: | 5 Speed | 5 Speed | 6 Speed with Ducati Quick Shift up & down (DQS) | 6 Speed |
| Clutch: | Single dry plate | Dry single plate, with diaphragm spring | Light action, wet, multiplate clutch with hydraulic control. Self-servo action on drive, slipper action on over-run. | Wet multi-disc |
| Frame: | Double-downtube frame with engine as a stressed member; box-section aluminum monolever swing arm. | Double sown tubs, dual cradle | Tubular steel trellis frame attached to the cylinders head | Molybdenum steel with double cradle split above the exhaust port |
| Front Suspension: | Telescopic fork with hydraulic shock absorber. | Telescopic fork with hydraulic shock absorber. | 48 mm Öhlins fully adjustable USD fork | Marzocchi USD fork, 50 mm Ø, adjustable compression and rebound, TFX technology |
| Front Wheel Travel: | 185mm / 7.3 in. | 200 mm / 7.8 in | 130 mm / 5.1 in | 290 mm / 11.4 in |
| Rear Suspension: | Monolever swinging arm. | Long swinging arm with adjustable strut. | Progressive linkage with fully adjustable Öhlins monoshock, aluminium single-sided swingarm | Sachs shock w/adjustable rebound and hi/low speed compression |
| Rear Wheel Travel: | 114mm / 4.5 in. | 125 mm / 4.9 in | 149 mm / 5.8 in | 290 mm / 11.4 in |
| Front Brakes: | 2 x ∅285mm discs, 2 piston calipers | 2 x ∅260mm Discs, 2 piston calipers | 2 x 320 mm Semi-floating discs, radially mounted Monobloc Brembo Evo M50 callipers, 4-pistons, radial pump with Bosch ABS as standard | Single 260 mm Ø floating disc, 2 piston floating caliper |
| Rear Brakes: | Single ∅285mm disc | 260mm Drum | Single 245mm disc, 2-piston floating calliper with Bosch ABS as standard equipment | Single 240 mm Ø disc, 1 piston floating caliper |
| Front Tyre: | 100/90-18 | 3.25-19 | 120/70 - ZR17 Pirelli Diablo Rosso III | 90/90-21 |
| Rear Tyre: | 130/90-17 | 4.00-18 | 190/55 - ZR17 Pirelli Diablo Rosso III | 140/80-18 |
| Seat Height: | 810 mm /31.9 in. or 760 mm / 29.9 in. for low seat model | 820 mm / 32.3 in | 795 mm - 820 mm / 31.30 in - 32.28 in, adjustable | 940 mm / 37 in |
| Fuel Capacity: | 21 liters / 5.54 US gal | 24 Litres / 6.3 US gal | 16.5 Litres / 4.36 US gal | 8.5 L / 2.2 gal |