YAMAHA YZ250F 50th Anniversary APRILIA RS 457
engine specs
Type
Liquid-cooled, 5-valve, DOHC, 4-stroke w/titanium valvesliquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder
Displacement
249 cm3-
Bore X Stroke
3.0x2.1 in OR 76 mm-
Compression Ratio
12.5:1-
Horsepower
-48/- KW(hp)/RPM
Torque
21/8500 lb-ft/RPM OR 28/8500 Nm/RPM-
Fuel System
Keihin FCR37, flat-slide w/throttle position sensor-
transmission specs
Gearbox
5 speed, manual-
Clutch
Wet multi-disc, manual-
Final Drive
#520 O-ring chain-
chassis specs
Frame
Aluminium semi-double-cradleAluminium frame
Front Suspension
Fully adjustable 48mm Kayaba inverted fork-
Rear Suspension
Fully adjustable link monocross Kayaba-
Front Brake
250mm floating disc-
Rear Brake
245mm disc-
dimension specs
Overall Length
85.7 in OR 2177 mm-
Overall Width
32.1 in OR 815 mm-
Seat Height
38.7 in OR 983 mm-
Weelbase
58.5 in OR 1486 mm-
Weight
206 lbs OR 93 kg351 lbs OR 159 kg
Fuel Capacity
1.8 gallons OR 6.8 L-
Wheelbase
58.5 in OR 1486 mm-
tyres specs
Front
80/100-21-
Rear
100/90-19-

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