Kamis, 24 Oktober 2013

Yamaha YZ250F










































2013 YAMAHA YZ250F SPECIFICATIONS
Dimension & Weight
Overall length2,170mm/85.4in
Overall width825mm/32.5in
Overall height1,307mm/51.4in
Seat height992mm/39.0in
Wheelbase1,477mm/58.1in
Minimum ground clearance378mm/14.9in
Wet(with oil and a full fuel tank)103kg/227lbs
Engine Performance
Engine typeLiquid cooled 4-stroke,DOHC,5-valve
Cylinder arrangementSingle cylinder
Displacement250cm3
Bore & stroke77.0 X 53.6mm/3.0in×2.1in
Compression ratio13.5 : 1
Starting system typeKick
Lubrication systemForce-feed lubrication,dry sump
Engine oil capacity1.2L/0.3usgal
Fuel
Fuel tank capacity6.4L/1.6usgal
Carburetor Type/Fuel supplyCarburetor
Electrical
Ignition system typeCDI(Capacitor discharge ignition)
Spark plug modelCR8E
Transmission
Final driveChain
Primary reduction ratio3.353(57/17)
Secondary reduction ratio3.846(50/13)
Clutch typeWet,multiple-disc
Gear ratio
Transmission typeConstant mesh 5-speed
Shift typeReturn
Gear ratio-1st gear2.143(30/14)
Gear ratio-2nd gear1.750(28/16)
Gear ratio-3rd gear1.444(26/18)
Gear ratio-4th gear1.222(22/18)
Gear ratio-5th gear1.042(25/24)
Chassis
Frame typeSemi double cradle
Caster angle27°15′
Trail121.3mm/4.8in
Tire size(Front)80/100-21 51M(Tube type)
Tire size(Rear)100/90-19 57M(Tube type)
Brake
Brake type(Front)Hydraulic disc brake
Brake type(Rear)Hydraulic disc brake
Diameter of brake disk (Front)250mm/9.8in
Diameter of brake disk (Rear)245mm/9.6in
Inside diameter of drum / Effective radius of disc(Front)224mm/8.8in
Inside diameter of drum / Effective radius of disc(Rear)219mm/8.6in
Suspension
Suspension type(Front)Telescopic
Suspension type(Rear)Swingarm(Link suspension)
Shock absorber
Shock absorber assembly type(Front)Coil spring/oil damper
Shock absorber assembly type(Rear)Coil spring/gas-oil damper
Wheel travel(Front)300mm/11.8in
Wheel travel(Rear)317mm/12.5in
Inner tube diameter of front fork48mm/1.9in






































Sumber: www.dirtrider.com

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