Aprilia AF1 125 Project 108 Replica (1988) vs Bakker BMW R 1100RS (1993)
Comparison technical specifications
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| Make: | Aprilia | Bakker |
| Model: | AF1 125 Project 108 Replica | BMW R 1100RS |
| Years: | 1988 | 1993 |
| Engine: | Two stroke, single cylinder, light alloy, barrel with Gilnisil coating | Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder |
| Capacity: | 124.7 cc / 7.6 cu in | 1085 cc / 66.2 cu-in |
| Bore x Stroke: | 54 x 54.5 mm | 99 x 70.5 mm |
| Compression Ratio: | 15.5:1 | 10.3:1 |
| Cooling System: | Liquid cooled | Air/oil-cooled |
| Induction: | Dell'Orto carburetor, Ø 28 mm | Fuel injection |
| Ignition: | Electronic | Electronic MA 2.2 controlled by Bosch Motronic |
| Starting: | Electric | Electric |
| Max Power: | 21.6 kW / 29 hp @10500 rpm | 84.hp @ 7200 rpm |
| Max Torque: | 18.6 Nm / 1.9 kgf-m / 13.7 lb-ft @ 10000 rpm | 95 Nm @ 5500 rpm |
| Transmission: | 6 Speed | 5 Speed |
| Final Drive: | Chain | Shaft |
| Front Brakes: | Single Ø 320 mm disc, 4 piston caliper | 2x discs |
| Rear Brakes: | Single Ø 240mm disc, 2 piston caliper | Single disc |