BMW R 100GS (1988) vs BMW K 1200GT (2007)
Comparison technical specifications
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| Make: | BMW | BMW |
| Model: | R 100GS | K 1200GT |
| Years: | 1988 | 2007 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder | Four stroke, horizontal in line four cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 980 cc / 59.8 cu in. | 1157 cc / 70.6 cu in |
| Bore x Stroke: | 94 x 70.6 mm | 79 x 59 mm |
| Cooling System: | Air cooled | Liquid cooled |
| Compression Ratio: | 8.5:1 | 13.0:1 |
| Induction: | 2 x Bing carburetors | BMSK fuel Injection |
| Starting: | Electric | Electric |
| Max Power: | 44 kW / 60 hp @ 6500 rpm | 112 kW / 157 hp @ 9500rpm |
| Max Torque: | 76 Nm / 7.75 kgf-m / 56 ft-lb @ 3750 rpm | 130 Nm / 13.3 kgf-m / 96 ft-lb @ 7750 rpm |
| Transmission: | 5 Speed | 6 Speed |
| Gear Ratio: | 1st 4.40 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50:1 | 1st 2.045 / 2nd 1.600 / 3rd 1.267 / 4th 1.038 / 5th 0.900 / 6th 0.820: 1 |
| Final Drive: | Shaft | Shaft |
| Frame: | Double loop tubular frame with bolt on rear section | Composite aluminium frame with IHU/extrusion-pressed profiles and die sections |
| Front Suspension: | Telescopic fork with hydraulic shock absorber. | BMW Duolever |
| Front Wheel Travel: | 225 mm / 8.8 in | 115 mm / 4.5 in. |
| Rear Suspension: | Paralever adjustable preload, rebound damping compression | Single coast aluminium BMW Paralever |
| Rear Wheel Travel: | 180 mm / 7.0 in | 135 mm / 5.3 in |
| Front Brakes: | Single ∅285mm disc, 2 piston caliper | 2 x ∅320mm disc, 4 piston calipers |
| Rear Brakes: | ∅200 Drum | Single ∅294mm disc, 2 piston caliper |
| Front Tyre: | 90/90-21 | 120/70 ZR17 |
| Rear Tyre: | 130/80-17 | 180/55 ZR17 |
| Seat Height: | 850 mm / 33.5 in | 820 mm - 840 mm / 32.3 in. to 33.1 in. (optional seat 800 mm - 820 mm / 31.5 in - 32.3 in.) |
| Fuel Capacity: | 24 L / 6.3 US gal | 24 L / 6.3 US gal |
| Top Speed: | 181 km/h / 112 mph | 249.3 km/h / 154.9 mph |