BMW R 75/6 (1973-76) vs BMW K 1300 S (2010) vs BMW R 100T (1978) vs BMW R 80GS Basic (1996-97) vs BMW R 1150GS Adventure Special Edition (2005)
Comparison technical specifications
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| Make: | BMW | BMW | BMW | BMW | BMW |
| Model: | R 75/6 | K 1300 S | R 100T | R 80GS Basic | R 1150GS Adventure Special Edition |
| Years: | 1973-76 | 2010 | 1978 | 1996-97 | 2005 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Air cooled, 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, 4 valves per cylinder |
| Capacity: | 745 cc / 45.5 cu in. | 1298 cc / 79.2 cu in. | 980 cc / 59.8 cu in | 797.5 cc / 48.7 cu in. | 1130 cc / 69 cu in |
| Bore x Stroke: | 82 x 70.6 mm | 80 x 64.3 mm / 3.15 x 2.53 in | 94 x 70.6 mm | 84.8 x 70.6 mm | 101 x 70.5 mm |
| Compression Ratio: | 9.0:1 | 13.0:1 | 9.5:1 | 8.2:1 | 10.3:1 |
| Induction: | 2 x Bing constant depression carbutetors | Electronic fuel injection, Digital Motor Electronics with integrated knock control (BMS-K) | 2 x Bing V94 Carburetors | 2 x Bing constant depression carburetors | Bosch Motronic MA 2.4 Fuel injection |
| Ignition: | Battery ignition | Digital CDI | Battery ignition | Battery ignition | Electronic ignition MA 2.2 Bosch Motronic |
| Starting: | Electric | Electric | Electric | Electric | Electric |
| Max Power: | 36.8 kW /50 hp @ 6200 rpm | 127 kW / 173 hp @ 9250 rpm | 51 kW / 70 hp @ 7250 rpm | 37 kW / 50 hp @ 6500 rpm | 62.5 kW / 85 hp @ 6750 rpm (rear tyre 58.9 kW / 79 hp @ 6750 rpm) |
| Max Torque: | 60 Nm / 6.1 kgf-m / 44 ft lb @ 5000 rpm | 140 Nm / 14.3 kgf-m / 103 lb-ft @ 8250 rpm | 77 Nm / 7.85 kgf-m / 56.8 lb-ft @ 5500 rpm | 61 Nm / 6.2 kgf-m / 44 ft lb @ 5000 rpm | 98 Nm / 10.0 kgf-m / 71 lb-ft @ 5250 rpm |
| Transmission: | 4 Speed | 6 Speed | 5 Speed | 5 Speed | 6 Speed |
| Final Drive: | Shaft | Shaft | Shaft | Shaft | Shaft |
| Front Suspension: | Telescopic hydraulic forks | BMW Motorrad Duolever, central spring strut, Paralever; central spring strut with lever system | Telescopic fork with hydraulic shock absorber | ∅40mm Marzocchi telescopic hydraulic forks. | Light. Telelever with central spring strut, progressive coil spring, twin-tube gas-filled shock |
| Front Wheel Travel: | 208 mm / 8.2" | 115 mm / 4.5 in | 225 mm / 8.86 in | 225 mm / 8.8 in | 210 mm / 8.2 in |
| Rear Suspension: | Long swinging arm with strut. 125mm wheel travel | Cast aluminium single swing arm with BMW Motorrad, spring pre-tension with infinite hydraulic adjustment | Paralever swinging arm | BMW Paralever swinging arm | Patented BMW Paralever swing arm & shaft drive, single shock with variable rebound and damping adjustments |
| Rear Wheel Travel: | 125 mm / 4.9" | 135 mm / 5.3 in | 180 mm / 7.1 in | 180 mm / 7.0 in | 220 mm / 8.6 in |
| Front Brakes: | ∅200mm Drum | 2x 320mm discs, 4 piston calipers | 2 x ∅260mm Discs, 2 piston calipers | Single ∅285mm disc | 2 x 304mm discs, 4 piston calipers |
| Rear Brakes: | ∅200mm Drum | Single 265mm disc, 2 piston caliper | ∅260mm Drum | ∅200mm Drum | Single 276mm disc, 2 piston caliper |
| Front Tyre: | 3.25 - S19 | 120/70 ZR17 | 1.85 B19 | 90/90 x 21S | 110/80 R19 |
| Rear Tyre: | 4.00 - S18 | 190/55 ZR17 | 2.75 C18 | 13/80 x 17S | 150/70 R17 |
| Fuel Capacity: | 24 Litres / 6.3 US gal | 19 Litres / 5.0 US gal | 24 Litres / 6.3 US gal | 19.5 L / 5.1 US gal | 30 Litres / 7.9 US US gal |