Aprilia TX 311M (1985) vs Benelli BKX 250 (2023)
Comparison technical specifications
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| Make: | Aprilia | Benelli |
| Model: | TX 311M | BKX 250 |
| Years: | 1985 | 2023 |
| Engine: | Single cylinder, two stroke | Four stroke, single cylinder, DOHC, 4 valves |
| Capacity: | 277cc / 16.9 cu in | 249.2 cc / 15.2 cu in |
| Bore x Stroke: | 76 x 61 mm | 72 x 61.2 mm |
| Compression Ratio: | 8.5:1 | 11.2:1 |
| Cooling System: | Liquid cooled | Liquid cooled |
| Ignition: | Electronic | Delphi MT05.03 |
| Starting: | Kick | Electric |
| Max Power: | 12.4 kW/ 17 hp @ 6400 rpm | 19 kW / 25.8 hp @ 9250 rpm |
| Transmission: | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | Telescopic fork | 41 mm Upside down telescopic forks |
| Rear Suspension: | Monoshock | Rear swing arm in steel, shock absorber with progressive link, adjustable in spring preload |
| Front Brakes: | ingle disc | Single 280 mm disc, 4-piston caliper |
| Rear Brakes: | Expanding drum | Single 240 mm disc, 1-piston caliper |
| Front Tyre: | 2.75-21 | 100/90 - R19 M/C 57V M+S |
| Rear Tyre: | 4.00-18 | 140/80 - R17 M/C 65V M+S |
| Wet Weight: | 85 kg / 187 lbs | 165 kg / 363.7 lbs |
| Fuel Capacity: | 6.5 L / 1.7 US gal | 13.5 Litres / 3.5 US gal |