BMW F 900XR (2025) vs Harris GSXR1100 Turbo (1989)
Comparison technical specifications
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| Make: | BMW | Harris |
| Model: | F 900XR | GSXR1100 Turbo |
| Years: | 2025 | 1989 |
| Engine: | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder | Four stroke, transverse four cylinder. DOHC. turbo charged. 4 valve per cylinder |
| Capacity: | 895 cc / 54.6 cu-in | 1052 cc / |
| Bore x Stroke: | 86 x 77 mm | 76 x 58 mm |
| Compression Ratio: | 13.1:1 | Carburetors |
| Cooling System: | Liquid cooled | Air/oil cooled |
| Starting: | Electric | Electric |
| Max Power: | 78 kW / 105 hp @ 8500 rpm | 148 hp @ 9500 rpm |
| Transmission: | Constant mesh 6-speed gearbox integrated in crankcase | 5 Speed |
| Final Drive: | Endless O-ring chain with shock damping in rear wheel hub | Chain |
| Front Brakes: | 2 x 320mm floating discs, 4-piston radial brake calipers, hydraulically operated | 2x discs |
| Rear Brakes: | Single 265mm discs, single-piston floating caliper, hydraulically operated | Single disc |