| ATK 250 | INDIAN Chief Dark Horse |
|---|
| engine specs | |
| Type | |
|---|---|
| liquid-cooled, two-stroke, Rotax single cylinder | Air-cooled Thunderstroke 116 |
| Displacement | |
| 249 cm3 | 1890 cm3 |
| Bore X Stroke | |
| 2.7x2.8 in OR 69 mm | 4.1x4.4 in OR 104 mm |
| Compression Ratio | |
| 7:1 | 11.0:1 |
| Torque | |
| - | 120/2900 lb-ft/RPM OR 163/2900 Nm/RPM |
| Fuel System | |
| 38mm Mikuni TMS carburetor | Electronic Fuel Injection |
| transmission specs | |
| Gearbox | |
|---|---|
| 6-speed, manual | 6-speed |
| Clutch | |
| wet multi-disc, manual | Wet, multi-plate |
| Final Drive | |
| chain | - |
| chassis specs | |
| Frame | |
|---|---|
| steel | - |
| Front Suspension | |
| 46mm Paioli telescopic fork | Telescopic Fork |
| Rear Suspension | |
| Ohlins adjustable monoshock | Dual Shocks w/adjustable preload |
| Front Brake | |
| single 260mm disc, 2-piston caliper | Single / 300mm Semi-Floating Rotor / 4 Piston Caliper |
| Rear Brake | |
| single 220mm disc, 1-piston caliper | Single / 300mm Floating Rotor / 2 Piston Caliper |
| dimension specs | |
| Overall Length | |
|---|---|
| - | 90 in OR 2286 mm |
| Overall Width | |
| - | 36.3 in OR 922 mm |
| Seat Height | |
| 37.2 in OR 945 mm | 26.1 in OR 663 mm |
| Ground Clearance | |
| - | 4.9 in OR 124 mm |
| Weight | |
| 236 lbs OR 107 kg | 549 lbs OR 249 kg |
| Fuel Capacity | |
| 3.7 gallons OR 14.0 L | 4 gallons OR 15.1 L |
| Wheelbase | |
| 58.5 in OR 1486 mm | 64 in OR 1626 mm |
| tyres specs | |
| Front | |
|---|---|
| 80/100-21 | Pirelli Night Dragon 130/60B19 61H |
| Rear | |
| 100/100-18 | Pirelli Night Dragon 180/65 B16 81H |
