YAMAHA WR450F | INDIAN Chief Dark Horse |
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engine specs | |
Type | |
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Liquid-cooled DOHC 4-stroke, 4 titanium valves | Air-cooled Thunderstroke 116 |
Displacement | |
449 cm3 | 1890 cm3 |
Bore X Stroke | |
3.8x2.4 in OR 97 mm | 4.1x4.4 in OR 104 mm |
Compression Ratio | |
12.5:1 | 11.0:1 |
Horsepower | |
58/9000 KW(hp)/RPM | - |
Torque | |
36/7500 lb-ft/RPM OR 49/7500 Nm/RPM | 120/2900 lb-ft/RPM OR 163/2900 Nm/RPM |
Fuel System | |
Yamaha Fuel Injection (YFI) Keihin 44mm | Electronic Fuel Injection |
transmission specs | |
Gearbox | |
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5-Speed constant-mesh | 6-speed |
Clutch | |
Wet multiplate | Wet, multi-plate |
Final Drive | |
O-ring chain | - |
chassis specs | |
Frame | |
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Aluminium bilateral beam | - |
Front Suspension | |
KYB spring-type fork with speed sensitive damping, fully adjustable, 12.2-in wheel travel | Telescopic Fork |
Rear Suspension | |
KYB single shock, full adjustable 12.5-in wheel travel | Dual Shocks w/adjustable preload |
Front Brake | |
Single hydraulic disc 270mm | Single / 300mm Semi-Floating Rotor / 4 Piston Caliper |
Rear Brake | |
Single hydraulic disc 245mm | Single / 300mm Floating Rotor / 2 Piston Caliper |
dimension specs | |
Overall Length | |
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85.2 in OR 2164 mm | 90 in OR 2286 mm |
Overall Width | |
32.5 in OR 826 mm | 36.3 in OR 922 mm |
Seat Height | |
38 in OR 965 mm | 26.1 in OR 663 mm |
Weelbase | |
57.7 in OR 1466 mm | - |
Ground Clearance | |
12.8 in OR 325 mm | 4.9 in OR 124 mm |
Weight | |
271 lbs OR 123 kg | 549 lbs OR 249 kg |
Fuel Capacity | |
2 gallons OR 7.6 L | 4 gallons OR 15.1 L |
Wheelbase | |
57.7 in OR 1466 mm | 64 in OR 1626 mm |
tyres specs | |
Front | |
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80/100-21 | Pirelli Night Dragon 130/60B19 61H |
Rear | |
120/90-18 | Pirelli Night Dragon 180/65 B16 81H |