| BETA Evo 250 4-Stroke Sport | ARCH MOTORCYCLE 1S |
|---|
| engine specs | |
| Type | |
|---|---|
| single cylinder, 4-stroke, 4-valve, liquid-cooled | S&S Cycle T124 45-degree downdraft fuel-injected V-Twin engine |
| Displacement | |
| 249.6 cm3 | 2032 cm3 |
| Bore X Stroke | |
| 3.0x2.1 in OR 76 mm | - |
| Compression Ratio | |
| 11.5:1 | - |
| Torque | |
| - | 115.3/- lb-ft/RPM OR 156/- Nm/RPM |
| Fuel System | |
| Mikuni CV carburetor | EFI |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-speed, manual | 6-speed |
| Clutch | |
| wet multi-disc, manual | Compact dry clutch |
| Final Drive | |
| chain | Chain |
| chassis specs | |
| Frame | |
|---|---|
| aluminum beam, single wave hydroformed with built in fuel tank | Tubular steel frame with CNC-machined aluminum subframe single-sided swingarm |
| Front Suspension | |
| 38mm Paioli | Fully adjustable ARCH/Öhlins FGRT series fork |
| Rear Suspension | |
| adjustable single shock, aluminum bodied, with nitrogen valve including linkage | Fully adjustable ARCH/Öhlins rear shock with reservoir and hydraulic pre-load adjustment |
| Front Brake | |
| 185mm rotor with 4-piston caliper | Dual ISR 6-piston monobloc radial mount calipers with ISR floating dampened discs |
| Rear Brake | |
| 160mm rotor with twin-piston caliper | Single ISR 4-piston monobloc radial mount caliper with ISR semi-floating disc |
| dimension specs | |
| Overall Length | |
|---|---|
| 78.3 in OR 1989 mm | - |
| Overall Width | |
| 33.5 in OR 851 mm | - |
| Seat Height | |
| 26 in OR 660 mm | 31.5 in OR 800 mm |
| Ground Clearance | |
| 12.2 in OR 310 mm | - |
| Weight | |
| 155.5 lbs OR 71 kg | 563 lbs OR 255 kg |
| Fuel Capacity | |
| 2 gallons OR 7.6 L | 4.5 gallons OR 17.0 L |
| Wheelbase | |
| 51.4 in OR 1306 mm | 65.4 in OR 1661 mm |
| tyres specs | |
| Front | |
|---|---|
| Michelin Trial 21 | 120/70-17 Michelin Power RS |
| Rear | |
| Michelin Trial 18 | 240/45-17 Michelin Power RS |
