BMW F 800GT (2014) vs BMW R 100RT (1980-81) vs BMW K 100RS ABS (1988)
Comparison technical specifications
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| Make: | BMW | BMW | BMW |
| Model: | F 800GT | R 100RT | K 100RS ABS |
| Years: | 2014 | 1980-81 | 1988 |
| Engine: | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder | Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder | Four stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder |
| Capacity: | 798 cc / 47.7 cub. in. | 980 cc / 59.8 cub in. | 987 cc / 60.2 cub. in |
| Bore x Stroke: | 82 x 75.8 mm | 94 x 70.6 mm | 67 x 70 mm |
| Compression Ratio: | 12.0:1 | 9.5:1 | 10.2:1 |
| Lubrication: | Dry sump | Wet sump | Wet sump |
| Induction: | Electronic intake injection, ∅45mm throttle bodies | 2 x Constant depression carburettors, Bing 94/40/105 - 94/40/106 | Electronic injection, Bosch LE-Jetronic |
| Ignition: | Knock control and oxygen sensors | Battery ignition | Electronic injection, Bosch LE-Jetronic |
| Starting: | Electric | Electric | Electric |
| Max Power: | 66 kW / 90 hp @ 8000 rpm | 51 kW / 70 hp @ 7000 rpm | 65.6 kW / 90 hp @ 8000 rpm |
| Max Torque: | 86 Nm / 8.8 kgf-m / 63 lbs/ft @ 5800 rpm | 76 Nm / 7.7 kgf-m / 56 ft-lb @ 6000 rpm | 86 Nm / 8.8 kgf-m / 63 ft-lb @ 6000 rpm |
| Clutch: | Multiplate-plate in oil bath | Dry single plate, with diaphragm spring | Dry, single plate, cable operated |
| Transmission: | 6 Speed | 5 Speed | 5 Speed |
| Final Drive: | Belt drive | Shaft | Shaft |
| Gear Ratio: | 1st 2.46 / 2nd 1.75 / 3rd 1.38 / 4th 1.17 / 5th 1.04 / 6th 0.96: 1 | 1st 4.4 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50 : 1 | 1st 4.50 / 2nd 2.96 / 3rd 2.30 / 4th 1.88 / 5th 1.61:1 |
| Frame: | Bridge-type frame, cast aluminium, load-bearing engine | Double sown tubs, dual cradle | Tubular space frame, engine serving as load bearing component |
| Front Suspension: | 43mm Marzocchi Telescopic fork | Telescopic fork with hydraulic shock absorber. | Telescopic fork with hydraulic shock absorber |
| Front Wheel Travel: | 125 mm / 4.9 in. | 200 mm / 7.8 in | 185 mm / 7.3 in |
| Rear Suspension: | Cast aluminium single-sided swing arm with eccentric adjustment for rear axle, central spring strut, spring pre-load hydraulically adjustable (continuously variable) at handwheel, rebound damping adjustable | Long swinging arm with adjustable strut. | Monolever swinging arm |
| Rear Wheel Travel: | 125 mm / 4.9 in. | 125 mm / 4.9 in | 110 mm / 4.3 in. |
| Front Brakes: | 2 x 320 mm discs, 4 piston calipers | 2 x ∅260mm discs 2 piston calipers | 2 x ∅285 mm discs, 2 piston calipers, ABS |
| Rear Brakes: | Single 265 mm disc, 1 piston caliper | Simplex ∅200 mm drum | Single ∅285 mm disc, 1 piston caliper, ABS |
| Front Tyre: | 120/70 ZR17 | 3.25 H-19 | 100/90-V18 |
| Rear Tyre: | 180/55 ZR17 | 4.00 H-18 | 130/90-V17 |
| Dimensions: | Length 2156 mm / 84.9 in Width 905 mm / 35.6 in. (incl. mirrors) Height 1248 mm / 49.1 in. (excl. mirrors) | Length 2110 mm / 87 in Width 746 mm / 29.37 in Height 1465 mm / 57.67 in | Length 2220 mm / 87.4 in Width 800 mm / 31.5 in Height 1271 mm / 50.0 in |
| Wheelbase: | 1514 mm / 59.6 in. | 1465 mm / 57.67 in | 1516 m /59.7 in. |
| Seat Height: | 820 mm - 765 mm / 32.3 in.- 30.1 in | 820 mm / 32.3 in | 810 mm / 31.90 in. (760 mm / 29.9 in for low seat model) |
| Wet Weight: | 213 kg / 469.6 lbs. | 234 kg / 515 lbs | 249 kg / 548 lbs |
| Fuel Capacity: | 15 Litres / 4 US gal. | 24 Litres / 6.3 US gal | 22 Liters / 5.8 US gal |
| Top Speed: | 201 km/h / 125 mph | 203 km/h / 126 mph | 220 km/h / 136 mph |