YAMAHA YZ250F 50th Anniversary INDIAN Chief Dark Horse
engine specs
Type
Liquid-cooled, 5-valve, DOHC, 4-stroke w/titanium valvesAir-cooled Thunderstroke 116
Displacement
249 cm31890 cm3
Bore X Stroke
3.0x2.1 in OR 76 mm4.1x4.4 in OR 104 mm
Compression Ratio
12.5:111.0:1
Torque
21/8500 lb-ft/RPM OR 28/8500 Nm/RPM120/2900 lb-ft/RPM OR 163/2900 Nm/RPM
Fuel System
Keihin FCR37, flat-slide w/throttle position sensorElectronic Fuel Injection
transmission specs
Gearbox
5 speed, manual6-speed
Clutch
Wet multi-disc, manualWet, multi-plate
Final Drive
#520 O-ring chain-
chassis specs
Frame
Aluminium semi-double-cradle-
Front Suspension
Fully adjustable 48mm Kayaba inverted forkTelescopic Fork
Rear Suspension
Fully adjustable link monocross KayabaDual Shocks w/adjustable preload
Front Brake
250mm floating discSingle / 300mm Semi-Floating Rotor / 4 Piston Caliper
Rear Brake
245mm discSingle / 300mm Floating Rotor / 2 Piston Caliper
dimension specs
Overall Length
85.7 in OR 2177 mm90 in OR 2286 mm
Overall Width
32.1 in OR 815 mm36.3 in OR 922 mm
Seat Height
38.7 in OR 983 mm26.1 in OR 663 mm
Weelbase
58.5 in OR 1486 mm-
Ground Clearance
-4.9 in OR 124 mm
Weight
206 lbs OR 93 kg549 lbs OR 249 kg
Fuel Capacity
1.8 gallons OR 6.8 L4 gallons OR 15.1 L
Wheelbase
58.5 in OR 1486 mm64 in OR 1626 mm
tyres specs
Front
80/100-21Pirelli Night Dragon 130/60B19 61H
Rear
100/90-19Pirelli Night Dragon 180/65 B16 81H

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