BMW R 100GS (1989-90) vs Aprilia RXV 450 (2006)
Comparison technical specifications
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| Make: | BMW | Aprilia |
| Model: | R 100GS | RXV 450 |
| Years: | 1989-90 | 2006 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder | Four stroke, 77° V-twin cylinder, |
| Capacity: | 980 cc / 59.8 cu in. | 449 cc / 27.4 cu in |
| Bore x Stroke: | 94 x 70.6 mm | 76 X 49.5 mm |
| Cooling System: | Air cooled | Liquid cooled |
| Compression Ratio: | 8.5:1 | 12.5:1 |
| Induction: | 2 x Bing carburetors | Integrated engine management system controlling ignition and fuel injection. Throttle body: Ø38 mm |
| Ignition: | Electronic ignition, Bosch | Electronic |
| Starting: | Electric | Electric |
| Max Power: | 44 kW / 60 hp @ 6500 rpm | 44.7 kW / 60 hp @ 13000 rpm |
| Max Torque: | 76 Nm / 7.75 kgf-m / 56 ft-lb @ 3750 rpm | 54 Nm / 5.5 kgf-m / 39.8 lb-ft @ 11000 rpm |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | Shaft | Chain |
| Frame: | Double loop tubular frame with bolt on rear section | Steel perimeter frame with alloy vertical members |
| Front Suspension: | Telescopic fork with hydraulic shock absorber. | Ø45 mm Upside down fork, double adjustment |
| Rear Suspension: | Paralever adjustable preload, rebound damping compression | Box section aluminium swingarm with cast body, hydraulic monoshock with compression and rebound adjustment |
| Front Brakes: | Single ∅285mm disc, 2 piston caliper | Single Ø270 mm disc, 4 piston caliper |
| Rear Brakes: | ∅200 Drum | Single Ø240 mm disc, 2 piston caliper |
| Front Tyre: | 90/90-21 | 90/90 -21 |
| Rear Tyre: | 130/80-17 | 140/80 -18 |
| Wheelbase: | 1514 mm / 59.6 in | 1495 mm / 58.9 in |
| Fuel Capacity: | 24 L / 6.3 US gal | 7.8 Litres / 2.1 US gal |
| Top Speed: | 181 km/h / 112 mph | 183 km/h / 114 mph |