YAMAHA YZ250F | INDIAN Chief Dark Horse |
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engine specs | |
Type | |
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4-stroke, liquid-cooled, DOHC, 5-valvew/titanium valves, single | Air-cooled Thunderstroke 116 |
Displacement | |
249 cm3 | 1890 cm3 |
Bore X Stroke | |
3.0x2.1 in OR 76 mm | 4.1x4.4 in OR 104 mm |
Compression Ratio | |
12.5:1 | 11.0:1 |
Torque | |
21/8500 lb-ft/RPM OR 28/8500 Nm/RPM | 120/2900 lb-ft/RPM OR 163/2900 Nm/RPM |
Fuel System | |
carburetor, Keihin FCR MX37, flat-slide w/throttle position sensor | Electronic Fuel Injection |
transmission specs | |
Gearbox | |
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5 speed, manual | 6-speed |
Clutch | |
Wet multi-disc, manual | Wet, multi-plate |
Final Drive | |
#520 O-ring chain | - |
chassis specs | |
Frame | |
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Aluminium semi-double-cradle | - |
Front Suspension | |
Fully adjustable 48mm Kayaba inverted fork | Telescopic Fork |
Rear Suspension | |
Fully adjustable link monocross Kayaba | Dual Shocks w/adjustable preload |
Front Brake | |
250mm floating disc | Single / 300mm Semi-Floating Rotor / 4 Piston Caliper |
Rear Brake | |
245mm disc | Single / 300mm Floating Rotor / 2 Piston Caliper |
dimension specs | |
Overall Length | |
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85 in OR 2159 mm | 90 in OR 2286 mm |
Overall Width | |
32.5 in OR 826 mm | 36.3 in OR 922 mm |
Seat Height | |
38.7 in OR 983 mm | 26.1 in OR 663 mm |
Ground Clearance | |
- | 4.9 in OR 124 mm |
Weight | |
204 lbs OR 93 kg | 549 lbs OR 249 kg |
Fuel Capacity | |
1.8 gallons OR 6.8 L | 4 gallons OR 15.1 L |
Wheelbase | |
57.8 in OR 1468 mm | 64 in OR 1626 mm |
tyres specs | |
Front | |
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80/100-21 | Pirelli Night Dragon 130/60B19 61H |
Rear | |
100/90-19 | Pirelli Night Dragon 180/65 B16 81H |