Aprilia AF1 125 Project 108 Sport (1988) vs Aprilia RS 125 R Valentino Rossi Replica (1999-00)
Comparison technical specifications
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| Make: | Aprilia | Aprilia |
| Model: | AF1 125 Project 108 Sport | RS 125 R Valentino Rossi Replica |
| Years: | 1988 | 1999-00 |
| Engine: | Two stroke, single cylinder | Single cylinder, two stroke, reed valves induction |
| Capacity: | 123 cc / 7.5 cu in | 125 cc / 7.6 cu in |
| Bore x Stroke: | 54 x 54.5 mm | 54 x 54.5mm |
| Compression Ratio: | 15.5:1 | 14.5:1 |
| Cooling System: | Liquid cooled | Liquid cooled |
| Induction: | Dell'Orto carburetor, Ø 28 mm | Dell'Orto VHSB 34LD |
| Starting: | Electric | Electric |
| Max Power: | 18.7 kW / 25.1 hp @10000 rpm | 24.8 kW / 34 hp @ 11000 rpm |
| Max Torque: | 17.7 Nm / 1.8 kgf-m / 13.1 lb-ft @ 8000 rpm | 25 Nm / 2.5 kgf-m / 18.4 lb-ft @ 9000 rpm |
| Transmission: | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | Telescopic fork, 4-way anti-drive adjustable | Upside-down forks, Ø 40mm |
| Rear Suspension: | Sebac mono shock | Monoshock |
| Front Brakes: | Single Ø 260 mm disc | Single 320 mm discs, 4 piston caliper |
| Rear Brakes: | Single Ø 240mm disc | Single 240 mm disc, 2 piston caliper |
| Front Tyre: | 100/80-16 | 110/70-17 |
| Rear Tyre: | 120/80-16 | 150/60-17 |
| Dry Weight: | 120 kg / 265 lbs | 115 kg / 254 lbs |
| Wet Weight: | 134.6 kg / 297 lbs | 142 kg / 313 lbs |
| Fuel Capacity: | 22.5 L / 5.9 US gal | 11.5 Litres / 3.0 US gal |
| Consumption Average: | 4.4 L/100 km / 22.7 km/l / 53 US mpg | 5.1 L/100 km / 19.5 km/l / 45.9 US mpg |
| Braking 60 km/h / 37 mph - 0: | 12.8 m / 42.0 ft | 13.2 / 43.3 ft |
| Braking 100 km/h / 62 mph - 0: | 39.9 m / 131 ft | 37.9 m / 124.3 ft |
| Standing ¼ Mile: | 15.9 sec / 129.3 km/h / 80.3 mph | 14.3 sec / 148.0 km/h / 92 mph |
| Top Speed: | 156.6 km/h / 97.3 mph | 171.3 km/h / 106 mph |