YAMAHA YZ250F 50th Anniversary BMW R 12
engine specs
Type
Liquid-cooled, 5-valve, DOHC, 4-stroke w/titanium valvesWater-cooled, 2-cylinder, four-stroke boxer engine with four valves per cylinder operated by cam followers and two overhead camshafts per cylinder
Displacement
249 cm31170 cm3
Bore X Stroke
3.0x2.1 in OR 76 mm4.0x2.9 in OR 102 mm
Compression Ratio
12.5:1-
Horsepower
-95/6500 KW(hp)/RPM
Torque
21/8500 lb-ft/RPM OR 28/8500 Nm/RPM81/6000 lb-ft/RPM OR 110/6000 Nm/RPM
Fuel System
Keihin FCR37, flat-slide w/throttle position sensor-
transmission specs
Gearbox
5 speed, manual6-speed
Clutch
Wet multi-disc, manual-
Final Drive
#520 O-ring chainShaft
chassis specs
Frame
Aluminium semi-double-cradleTubular space frame in steel, engine self-supporting
Front Suspension
Fully adjustable 48mm Kayaba inverted forkUSD telescopic forks, 45 mm
Rear Suspension
Fully adjustable link monocross KayabaAluminium Paralever swinging arm, directly linked WAD spring strut, spring base and rebound damping adjustable
Front Brake
250mm floating discTwin disc brake, floating brake discs, 310 mm, 4-piston monobloc fixed calipers
Rear Brake
245mm discSingle disc brake, 265 mm, 2-piston floating caliper
dimension specs
Overall Length
85.7 in OR 2177 mm86.6 in OR 2200 mm
Overall Width
32.1 in OR 815 mm32.7 in OR 831 mm
Seat Height
38.7 in OR 983 mm29.7 in OR 754 mm
Weelbase
58.5 in OR 1486 mm-
Weight
206 lbs OR 93 kg500 lbs OR 227 kg
Fuel Capacity
1.8 gallons OR 6.8 L3.7 gallons OR 14.0 L
Wheelbase
58.5 in OR 1486 mm59.8 in OR 1519 mm
tyres specs
Front
80/100-21100/90-19
Rear
100/90-19150/80-16

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