Comparison of Beta Jonathan 350 and Keeway Blackster 250i 2013 [S]ave
| Attribute |  Beta Jonathan 350 × |  Keeway Blackster 250i 2013 × |
|---|---|---|
| General | ||
| Production from (year) | 2006 | 2013 |
| Make | Beta | Keeway |
| Model | Beta Jonathan 350 | Keeway Blackster 250i |
| Category | Custom / cruiser | Custom / cruiser |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | V2, four-stroke |
| Valves per cylinder | 4 | 2 |
| Fuel system | Carburettor. Mikuni BST 33 | Injection. EFI |
| Displacement (cm³) | 349 | 248.9 |
| Power (kw) | - | 12.6 |
| Cooling system | Air | Air |
| Transmission type,final drive | - | Chain |
| Torque (Nm) | - | 18 |
| Bore (mm) | 79 | 49 |
| Stroke (mm) | 71.2 | 66 |
| Gearbox | 6-speed | 5-speed |
| Fuel control | Single Overhead Cams (SOHC) | Overhead Valves (OHV) |
| Ignition | - | TLI |
| Clutch | Wet multi-disc clutch | Wet, multiple-plate |
| Lubrication system | - | Pressure splash lubrication |
| Compression | - | 9.4:1 |
| Chassis | ||
| Front suspension | Hydraulic fork | Telescopic forks |
| Rear suspension | Monoshock with adjustable spring preload | Telescopic coil spring oil damped |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 220 | 220 |
| Frame type | Steel | - |
| Front tyre | 120/80-16 | 110/90-16 |
| Rear tyre | 140/90-15 | 120/90-16 |
| Front wheel travel (mm) | 120 | 110 |
| Rear wheel travel (mm) | 100 | 80 |
| Other | ||
| Starter | - | Electric |
| Color options | - |
|
| Dimensions | ||
| Wheelbase (mm) | 1,470 | 1,530 |
| Dry weight (kg) | 138 | 170 |
| Power/weight ratio | - | 0.0741 |
| Overall length (mm) | 2,170 | 2,280 |
| Overall width (mm) | 1,100 | 900 |
| Seat height (mm) | 740 | 688 |
| Ground clearance (mm) | 240 | 140 |
| Performance | ||
| Reserve fuel capacity (l) | 4 | - |
| Fuel capacity (l) | 19 | 13.5 |
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