YAMAHA DRAG STAR CLASSIC FOUR BMW R 12
engine specs
Type
V-twin, 4-stroke, Air-cooledWater-cooled, 2-cylinder, four-stroke boxer engine with four valves per cylinder operated by cam followers and two overhead camshafts per cylinder
Displacement
399 cm31170 cm3
Bore X Stroke
2.67x2.16 in OR 68 mm4.0x2.9 in OR 102 mm
Compression Ratio
9.7:1-
Horsepower
32/7500 KW(hp)/RPM95/6500 KW(hp)/RPM
Torque
23.6/6000 lb-ft/RPM OR 32/6000 Nm/RPM81/6000 lb-ft/RPM OR 110/6000 Nm/RPM
Fuel System
2xBDS28 Carburetors-
transmission specs
Gearbox
5-Speed6-speed
Clutch
Wet multi-discs-
Final Drive
ShaftShaft
chassis specs
Frame
Double cradleTubular space frame in steel, engine self-supporting
Front Suspension
Telescopic forksUSD telescopic forks, 45 mm
Rear Suspension
Swingarm MonocrossAluminium Paralever swinging arm, directly linked WAD spring strut, spring base and rebound damping adjustable
Front Brake
Single disc with 2 piston caliperTwin disc brake, floating brake discs, 310 mm, 4-piston monobloc fixed calipers
Rear Brake
Single discSingle disc brake, 265 mm, 2-piston floating caliper
dimension specs
Overall Length
92.1 in OR 2339 mm86.6 in OR 2200 mm
Overall Width
35.2 in OR 894 mm32.7 in OR 831 mm
Seat Height
28 in OR 711 mm29.7 in OR 754 mm
Ground Clearance
5.7 in OR 145 mm-
Weight
493 lbs OR 224 kg500 lbs OR 227 kg
Fuel Capacity
4 gallons OR 15.1 L3.7 gallons OR 14.0 L
Wheelbase
64 in OR 1626 mm59.8 in OR 1519 mm
tyres specs
Front
130/60-16100/90-19
Rear
170/80-15150/80-16

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