BMW R 65GS (1987) vs Yamaha FZ-S 1000 Fazer (2004) vs Aprilia RXV 550i (2008)
Comparison technical specifications
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| Make: | BMW | Yamaha | Aprilia |
| Model: | R 65GS | FZ-S 1000 Fazer | RXV 550i |
| Years: | 1987 | 2004 | 2008 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder. | Four stroke, 77° V-twin cylinder |
| Capacity: | 649.6 cc / 39.6 cu in. | 998 cc / 60.9 cu-in | 549 cc / 33.5 cu in |
| Bore x Stroke: | 82 x 61.5 mm | 74 X 58 mm | 80 x 55 mm |
| Compression Ratio: | 8.4:1 | 11.8:1 | 12.0:1 |
| Cooling System: | Air cooled | Liquid cooled, | Liquid cooled |
| Induction: | 2 x Bing constant depression carburetors | 4 x 37mm Mikuni CV Side draft | Integrated engine management system controlling ignition and fuel injection. Throttle body: Ø40 mm |
| Ignition: | Bosch electronic | Digital TCI | Electronic |
| Max Power: | 33 kW / 45 hp 33 kW @ 7250 rpm | 143.1 hp / 104.3 kW @ 10000 rpm | 52.2 kW / 70 hp @ 13000 rpm |
| Max Torque: | 45.1 Nm / 4.6 kgf-m 33.3 lb-ft. @ 6000 rpm | 105.9 Nm / 78.1 ft.lbs @ 7500 rpm | 65.9 Nm / 6.7 kgf-m / 48.6 lb-ft @ 10900 rpm |
| Transmission: | 5 Speed | 6 Speed | 5 Speed |
| Final Drive: | Shaft | Chain | Chain |
| Front Suspension: | Telescopic hydraulic forks | Telescopic fork, 43mm tubes | Ø45 mm Upside down fork, double adjustment |
| Rear Suspension: | Monolever - swinging arm | Link-type swingarm | Box section aluminium swingarm with cast body, Hydraulic monoshock with compression and rebound adjustment |
| Front Brakes: | Single ∅260mm disc | 2x 298mm discs 4 pistons calipers | Single Ø270 mm disc, 4 piston caliper |
| Rear Brakes: | Simple ∅200mm drum | Single 268mm disc 2 piston caliper | Single Ø240 mm disc, 2 piston caliper |
| Front Tyre: | 3.00-21" | 120/70 ZR17 | 90/90 -21 |
| Rear Tyre: | 4.00-18" | 180/55 ZR17 | 140/80 -18 |
| Fuel Capacity: | 19.5 L / 5.2 US gal | 21 Litres / 4.7 gal | 7.8 Litres / 2.1 US gal |