| BMW R 90 S | INDIAN Chief Dark Horse |
|---|
| engine specs | |
| Type | |
|---|---|
| air-cooled, four-stroke, two cylinder boxer, 2 valves per cylinder | Air-cooled Thunderstroke 116 |
| Displacement | |
| 898 cm3 | 1890 cm3 |
| Bore X Stroke | |
| 3.5x2.8 in OR 89 mm | 4.1x4.4 in OR 104 mm |
| Compression Ratio | |
| 9.5:1 | 11.0:1 |
| Horsepower | |
| 67/7000 KW(hp)/RPM | - |
| Torque | |
| 56/5500 lb-ft/RPM OR 76/5500 Nm/RPM | 120/2900 lb-ft/RPM OR 163/2900 Nm/RPM |
| Fuel System | |
| 2xDellOrto PHM 38 carburetors | Electronic Fuel Injection |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-speed, manual | 6-speed |
| Clutch | |
| dry, single plate, diaphragm spring | Wet, multi-plate |
| Final Drive | |
| shaft | - |
| chassis specs | |
| Frame | |
|---|---|
| steel | - |
| Front Suspension | |
| telescopic hydraulic fork | Telescopic Fork |
| Rear Suspension | |
| dual adjustable shocks | Dual Shocks w/adjustable preload |
| Front Brake | |
| dual 260mm discs, 1-piston calipers | Single / 300mm Semi-Floating Rotor / 4 Piston Caliper |
| Rear Brake | |
| 200mm drum | Single / 300mm Floating Rotor / 2 Piston Caliper |
| dimension specs | |
| Overall Length | |
|---|---|
| 85.8 in OR 2179 mm | 90 in OR 2286 mm |
| Overall Width | |
| 29.1 in OR 739 mm | 36.3 in OR 922 mm |
| Seat Height | |
| 32.2 in OR 818 mm | 26.1 in OR 663 mm |
| Ground Clearance | |
| 6.5 in OR 165 mm | 4.9 in OR 124 mm |
| Weight | |
| 474 lbs OR 215 kg | 549 lbs OR 249 kg |
| Fuel Capacity | |
| 6.3 gallons OR 23.8 L | 4 gallons OR 15.1 L |
| Wheelbase | |
| 57.7 in OR 1466 mm | 64 in OR 1626 mm |
| tyres specs | |
| Front | |
|---|---|
| 3.25 - H19 | Pirelli Night Dragon 130/60B19 61H |
| Rear | |
| 4.00 - H18 | Pirelli Night Dragon 180/65 B16 81H |
