BMW R 1200R (2008) vs Yamaha XS 850SG Special (1979)
Comparison technical specifications
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| Make: | BMW | Yamaha |
| Model: | R 1200R | XS 850SG Special |
| Years: | 2008 | 1979 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder | Four stroke, transverse three cylinder, DOHC, 2 valves per cylinder |
| Capacity: | 1170 cc / 71.4 cu in | 826 cc / 50.4 cu in |
| Bore x Stroke: | 101 x 73 mm | 71.5 x 68.6 mm |
| Cooling System: | Air/Oil-cooled | Air cooled |
| Compression Ratio: | 11.0:1 | 9.2:1 |
| Induction: | Electronic intake manifold injection BMS-K | 3 x 34mm Hitachi HSC34 carburetors |
| Ignition: | Digital engine management | Transistor controlled |
| Starting: | Electric | Electric and kick |
| Max Power: | 80 kW / 109 hp @ 7500 rpm | 57.7 kW / 79 hp @ 8500 rpm |
| Max Torque: | 115 Nm / 11.7 kgf-m / 85 lb-ft @ 6000 rpm | 66.7 Nm / 6.8 kgf-m / 49.2 ft-lb @ 6500 rpm |
| Transmission: | 6 Speed | 5 Speed |
| Final Drive: | Shaft | Shaft |
| Front Suspension: | BMW Motorrad Telelever; stanchion diameter 41 mm, central spring strut | Air assisted telescopic forks |
| Front Wheel Travel: | 120 mm / 4.7 in | 175 mm / 6.9 in |
| Rear Suspension: | Cast aluminium single-sided swing arm with BMW Motorrad Paralever; central spring strut, spring pre-load hydraulically adjustable (continuously variable) at handwheel, rebound damping adjustable | Swing arm 4-way adjustable damping |
| Rear Wheel Travel: | 140 mm / 5.5 in | 99 mm / 3.9 in |
| Front Brakes: | 2 x 320mm discs, ABS | 2 x 267mm Discs, 1 piston calipers |
| Rear Brakes: | Single 265mm disc, ABS | Single 267mm disc, 1 piston caliper |
| Front Tyre: | 120/70-ZR 17 | 3.25H-19 |
| Rear Tyre: | 180/55-ZR 17 | 4.00H-17 |
| Dimensions: | Length 2145 mm / 84.4 in Width 906 mm / 35.6 in (incl. mirrors) Height 1273 mm / 50.1 in (excl. mirrors) | Length: 2175 mm / 85.6 in Width: 900 mm / 35.4 in Height: 1190 mm / 46.9 in |
| Wheelbase: | 1495 mm / 59.1 in | 1450 mm / 57.1 in |
| Dry Weight: | 198 kg / 436.5 lbs | 241 kg / 531 lbs |
| Fuel Capacity: | 18 Litres / 4.7 US gal | 24 Litres / 6.3 US gal |