| APRILIA SR 50 | INDIAN Chief Dark Horse |
|---|
| engine specs | |
| Type | |
|---|---|
| Liquid cooled horizontal single cylinder two stroke | Air-cooled Thunderstroke 116 |
| Displacement | |
| 49 cm3 | 1890 cm3 |
| Bore X Stroke | |
| 1.6x1.5 in OR 41 mm | 4.1x4.4 in OR 104 mm |
| Compression Ratio | |
| 11.5:1 | 11.0:1 |
| Torque | |
| - | 120/2900 lb-ft/RPM OR 163/2900 Nm/RPM |
| Fuel System | |
| Electronic Fuel injection | Electronic Fuel Injection |
| transmission specs | |
| Gearbox | |
|---|---|
| Automatic | 6-speed |
| Clutch | |
| Automatic centrifugal dry clutch | Wet, multi-plate |
| Primary Drive | |
| V-belt | - |
| Final Drive | |
| Gears in oil bath | - |
| chassis specs | |
| Frame | |
|---|---|
| Split single cradle frame in high tensile strength steel tube | - |
| Front Suspension | |
| Hydraulic fork, 90 mm wheel travel | Telescopic Fork |
| Rear Suspension | |
| Engine unit acting as swingarm frame linkages on two radial silent block mountings wheel travel 70 mm | Dual Shocks w/adjustable preload |
| Front Brake | |
| 7.5” stainless steel disc racing caliper with twin opposed 1.3” pistons | Single / 300mm Semi-Floating Rotor / 4 Piston Caliper |
| Rear Brake | |
| 7.5” stainless steel disc racing caliper with twin opposed 1.2” pistons | Single / 300mm Floating Rotor / 2 Piston Caliper |
| dimension specs | |
| Overall Length | |
|---|---|
| 73.2 in OR 1859 mm | 90 in OR 2286 mm |
| Overall Width | |
| 27.8 in OR 706 mm | 36.3 in OR 922 mm |
| Seat Height | |
| 32.2 in OR 818 mm | 26.1 in OR 663 mm |
| Ground Clearance | |
| - | 4.9 in OR 124 mm |
| Weight | |
| - | 549 lbs OR 249 kg |
| Fuel Capacity | |
| 1.8 gallons OR 6.8 L | 4 gallons OR 15.1 L |
| Wheelbase | |
| 50.8 in OR 1290 mm | 64 in OR 1626 mm |
| tyres specs | |
| Front | |
|---|---|
| 130/60 x 13 | Pirelli Night Dragon 130/60B19 61H |
| Rear | |
| 130/60 x 13 | Pirelli Night Dragon 180/65 B16 81H |
