| APRILIA SR50 R Factory | ARCH MOTORCYCLE 1S |
|---|
| engine specs | |
| Type | |
|---|---|
| Liquid cooled horizontal single cylinder two stroke | S&S Cycle T124 45-degree downdraft fuel-injected V-Twin engine |
| Displacement | |
| 49 cm3 | 2032 cm3 |
| Bore X Stroke | |
| 1.6x1.5 in OR 41 mm | - |
| Compression Ratio | |
| 11.5:1 | - |
| Torque | |
| - | 115.3/- lb-ft/RPM OR 156/- Nm/RPM |
| Fuel System | |
| Electronic Fuel injection | EFI |
| transmission specs | |
| Gearbox | |
|---|---|
| Automatic | 6-speed |
| Clutch | |
| Automatic centrifugal dry clutch | Compact dry clutch |
| Primary Drive | |
| V-belt | - |
| Final Drive | |
| Gears in oil bath | Chain |
| chassis specs | |
| Frame | |
|---|---|
| Split single cradle frame in high tensile strength steel tube | Tubular steel frame with CNC-machined aluminum subframe single-sided swingarm |
| Front Suspension | |
| Hydraulic fork, 90 mm wheel travel | Fully adjustable ARCH/Öhlins FGRT series fork |
| Rear Suspension | |
| Engine unit acting as swingarm frame linkages on two radial silent block mountings wheel travel 70 mm | Fully adjustable ARCH/Öhlins rear shock with reservoir and hydraulic pre-load adjustment |
| Front Brake | |
| 190 mm disc | Dual ISR 6-piston monobloc radial mount calipers with ISR floating dampened discs |
| Rear Brake | |
| 190 mm disc | Single ISR 4-piston monobloc radial mount caliper with ISR semi-floating disc |
| dimension specs | |
| Overall Length | |
|---|---|
| 73.2 in OR 1859 mm | - |
| Overall Width | |
| 27.8 in OR 706 mm | - |
| Seat Height | |
| 32.3 in OR 820 mm | 31.5 in OR 800 mm |
| Weight | |
| 439 lbs OR 199 kg | 563 lbs OR 255 kg |
| Fuel Capacity | |
| 1.8 gallons OR 6.8 L | 4.5 gallons OR 17.0 L |
| Wheelbase | |
| 50.8 in OR 1290 mm | 65.4 in OR 1661 mm |
| tyres specs | |
| Front | |
|---|---|
| 130/60 x 13 | 120/70-17 Michelin Power RS |
| Rear | |
| 130/60 x 13 | 240/45-17 Michelin Power RS |
