KTM 890 SMT (2023) vs Aprilia AF1 125 Reggiani Replica (1991) vs Aprilia RS 250 (1997)
Comparison technical specifications
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| Make: | KTM | Aprilia | Aprilia |
| Model: | 890 SMT | AF1 125 Reggiani Replica | RS 250 |
| Years: | 2023 | 1991 | 1997 |
| Engine: | Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder | Two stroke, single cylinder light alloy and barrel with GILNISIL surface coating | Two stroke, 90° V twin-cylinder, with laminar suction and exhaust valve. Separate lubrication with variable automatic mixer |
| Capacity: | 889 cc / 54.2 cu-in | 124.7 cc / 7.6 cu in | 249 cc / 15.2 cu in |
| Bore x Stroke: | 90.7 x 68.8 mm | 54 x 54.5 mm | 56 x 50.6 mm |
| Cooling System: | Liquid cooled with water/oil heat exchanger | Liquid cooled | Liquid cooled |
| Compression Ratio: | 13.5:1 | 13.6:1 | 12.0:1 (+/- 0.7) |
| Induction: | DKK DellOrto fuel-Injection throttle body 46mm | Dell'Orto Ø 34mm flat slide carburetor | 2 x Ø34 mm Mikuni 34 SS flat side carburetors |
| Starting: | Electric | Electric | Kick |
| Max Power: | 104 hp / 77 kW @ 8000 rpm | 22.3 kW / 30 hp @ 8800 rpm | 52.9 kW / 72.5 hp @ 11900 rpm |
| Max Torque: | 100 Nm / 73 lb-ft @ 650 rpm | 19.6 Nm / 2.0 kgf-m / 14.5 lb-ft @ 10000 rpm | 40 Nm / 4.08 kgf-m / 29.5 lb/ft @ 10750 rpm |
| Transmission: | 6 Speed | 6 Speed | 6 Speed, direct drive |
| Final Drive: | Chain 520 X-Ring | Chain | Chain, sealed, jointless, DID 520 V6 |
| Front Suspension: | 43mm WP APEX upside-down forks | Upside down fork, Ø 38 mm | Ø40 mm Inverted fork with adjustable rebound and compression damping. |
| Rear Suspension: | WP APEX Monoshock | Aprilia Progressive System with hydraulic single shock-absorber, 1120mm wheel travel | Magnesium alloy swingarm. Monoshock with resevoir, adjustable extension, compression and spring preloading. |
| Rear Wheel Travel: | 180 mm / 7.1 in | 120 mm / 4.7 in | 130 mm / 5.1 in |
| Front Brakes: | 2 x 260mm discs, 4 piston, radially mounted caliper | Single Ø 320 mm disc, 4 piston caliper | 2 x Ø298 mm discs, 4 piston calipers |
| Rear Brakes: | Single 260mm disc, 1 piston floating caliper | Single Ø 240 mm disc, 2 piston caliper | Single Ø220 mm disc, 2 piston caliper |
| Front Tyre: | 120/70 ZR 17 | 100/80 -17 | 110/70-17 |
| Rear Tyre: | 180/55 ZR 17 | 140/70 -17 | 150/60-17 |
| Seat Height: | 860 mm / 22.9 in | 800 mm / 31.5 in | 810 mm / 31.9 in |
| Dry Weight: | 194 kg / 427.7 lbs | 114 kg / 251 lbs | 141 kg / 309 lbs |
| Fuel Capacity: | 15.8 Litres / 4.2 US gal | 14.5 Litres / 3.8 US gal | 16.5 Litres / 4.4 US gal |