BMW R 100GS Bubble Bee (1988) vs BMW F 650GS (2001)
Comparison technical specifications
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| Make: | BMW | BMW |
| Model: | R 100GS Bubble Bee | F 650GS |
| Years: | 1988 | 2001 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder | Four stroke, single cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 980 cc / 59.8 cu in. | 652 cc / 39.8 cub. in. |
| Bore x Stroke: | 94 x 70.6 mm | 100 x 83mm |
| Compression Ratio: | 8.5:1 | 11.5:1 |
| Induction: | 2 x Bing carburetors | Fuel induction |
| Ignition: | Electronic ignition, Bosch | Capacitor Discharge Ignition system |
| Alternator: | Bosch 12V/280 W | Three-phase alternator 400W |
| Starting: | Electric | Electric |
| Max Power: | 44 kW / 60 hp @ 6500 rpm | 37.3 kW / 50 hp @ 6800 rpm |
| Max Torque: | 76 Nm / 7.75 kgf-m / 56 ft-lb @ 3750 rpm | 60 Nm / 6.12 kgf-m / 44.25 lb-ft. @ 5200 rpm |
| Clutch: | Dry single plate, with diaphragm spring | Multiple-disc clutch in oil bath, mechanically operated |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | Shaft | Chain |
| Frame: | Double loop tubular frame with bolt on rear section | Bridge-type steel section frame with bolted-on rear section |
| Front Suspension: | Telescopic fork with hydraulic shock absorber. | 41mm Telescopic fork with stabilizer bridge |
| Front Wheel Travel: | 225 mm / 8.8 in | 170 mm / 6.6 in |
| Rear Suspension: | Paralever adjustable preload, rebound damping compression | Spring setting and rebound stage damping continuously adjustable |
| Rear Wheel Travel: | 180 mm / 7.0 in | 165 mm / 6.4 in |
| Front Brakes: | Single ∅285mm disc, 2 piston caliper | Single ∅300mm disc, 2 piston caliper |
| Rear Brakes: | ∅200 Drum | Single ∅240mm disc, 1 piston caliper |
| Front Tyre: | 90/90-21 | 100/90-19 |
| Rear Tyre: | 130/80-17 | 130/80-17 |
| Dimensions: | Length 2290 mm / 90.1 in Width 1000 mm / 39.3 in Height 1165 mm / 45.8 in | Length: 2175 mm / 85.6 in. Width: 910 mm / 35.8 in. Height: 1265 mm / 49.8 in. |
| Seat Height: | 850 mm / 33.5 in | 780 mm / 30.7 in. |
| Wet Weight: | 210 kg / 462 lbs | 191 kg / 421.1 lbs. |
| Fuel Capacity: | 24 L / 6.3 US gal | 17.3 Litres / 4.6 US gal. |
| Top Speed: | 181 km/h / 112 mph | 183.4 km/h / 114 mph |