BMW R 100 (1982-84) vs BMW R 63 (1928-29) vs BMW R 850R (1994-96) vs BMW R 57 (1928-30) vs BMW K 1200RS (1999-00)
Comparison technical specifications
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| Make: | BMW | BMW | BMW | BMW | BMW |
| Model: | R 100 | R 63 | R 850R | R 57 | K 1200RS |
| Years: | 1982-84 | 1928-29 | 1994-96 | 1928-30 | 1999-00 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. | Four stroke, two-cylinder, horizontally-opposed Boxer engine, 4 valves per cylinder | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. | Four stroke, horizontal in line four cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 980 cc / 59.8 cu in. | 745 cc / 45.5 cu in. | 848 cc / 51.7 cu in. | 494 cc / 30.1 cu in. | 1171 cc / 71.4 cu in |
| Bore x Stroke: | 94 x 70.6 mm | 83 x 68 mm | 87.5 x 70.5 mm | 68 x 68 mm | 70.5 x 75 mm |
| Compression Ratio: | 8.2:1 | 6.2:1 | 10.3:1 | 5.8:1 | 11.5:1 |
| Induction: | 2 x Constant depression carburetors, Bing V 94/40/111 - 94/40/112 | 1 x Spezial 2 valve ∅24 mm carburetor | Electronic injection, Bosch Motronic | 1 x Spezial two valve ∅24 mm carburetor | Electronic intake pipe injection |
| Starting: | Electric | Kick | Electric | Kick | Electric |
| Max Power: | 48.8 kW / 66.6 hp @ 7000 rpm | 17.9 kW / 24 hp @ 3400 rpm | 53.2 kW / 73 hp @ 6750 rpm | 13.4 kW / 18 hp @ 4000 rpm | 97 kW / 130 hp @ 8750 rpm |
| Clutch: | Single dry plate | Single plate, dry | Single disc dry clutch, hydraulically operated | Single plate, dry | Single-disc dry clutch, hydraulically operated |
| Frame: | Double sown tubs, dual cradle | Twin loop steel tubular frame | Three section composite frame consisting of front & rear section, load bearing engine | Twin loop steel tubular frame | Bridging frame consisting of die-cast aluminium, engine decoupled from vibration through bearings |
| Front Suspension: | Telescopic fork with hydraulic shock absorber. | Plate spring, 6 laminae | Motorrad Telelever, stanchion ∅35 mm, central strut, rebound damping adjustable. | Plate spring, 6 laminae | Telelever, stanchion diameter ∅35 mm, central strut |
| Rear Suspension: | Long swinging arm with adjustable strut. | Rigid, spring loaded saddle | Die-cast aluminium single sided swinging arm with BMW Motorrad Paralever, central strut, spring preload adjustable to continuously variable levels by means of a hydraulic handwheel, rebound adjustable damping. | Rigid | Die cast aluminium single sided swinging arm with BMW Motorrad Paralever, central strut, spring preload and rebound damping adjustable |
| Front Brakes: | Single 260mm disc | ∅200mm Drum | 2 x ∅320mm discs, 4 piston calipers | ∅200mm Drum | 2 x ∅320mm discs, 4 piston calipers |
| Rear Brakes: | 200 Drum | External shoe brake at the gearing on Cardan shaft | Single ∅276mm disc, 2 piston caliper | Block brake | Single ∅285mm disc, 2 piston caliper |
| Front Tyre: | 3.25 - H19 | 26 x 3.5" or 19 x 3.0" or 27 x 2.75" or 21 x 2.5" | 120/70 - ZR17 | 26 x 3.5" low pressure or 26 x 3.5" high pressure | 120/70 ZR17 |
| Rear Tyre: | 4.00 - H18 | 26 x 3.5" or 19 x 3.0" or 27 x 2.75" or 21 x 2.5" | 160/60 - ZR18 | 26 x 3.5" low pressure or 26 x 3.5" high pressure | 170/60 ZR18 |
| Wet Weight: | 218 Kg / 480 lbs | 152 kg / 334 lb | 238 Kg / 524 lbS | 150 kg / 330 lb | 280 kg / 617 lbs |
| Fuel Capacity: | 24 L / 6.3 US gal | 12.5 liters / 3.3 US gal | 20.5 Liters / 5.4 US gal | 12.5 liters / 3.3 US gal | 22 L / 5.8 US gal |