YAMAHA XV1900A Midnight Star BMW R 12
engine specs
Type
air-cooled, 4-stroke, 4-valves, V-type 2-cylinder, OHVWater-cooled, 2-cylinder, four-stroke boxer engine with four valves per cylinder operated by cam followers and two overhead camshafts per cylinder
Displacement
1854 cm31170 cm3
Bore X Stroke
3.9x4.6 in OR 99 mm4.0x2.9 in OR 102 mm
Compression Ratio
9.48:1-
Horsepower
90/4750 KW(hp)/RPM95/6500 KW(hp)/RPM
Torque
114/2500 lb-ft/RPM OR 155/2500 Nm/RPM81/6000 lb-ft/RPM OR 110/6000 Nm/RPM
Fuel System
Electronic Injection-
transmission specs
Gearbox
Constant Mesh, 5-speed6-speed
Clutch
Wet multi-disc, manual-
Final Drive
BeltShaft
chassis specs
Frame
Aluminium, double cradleTubular space frame in steel, engine self-supporting
Front Suspension
Telescopic forks, 46 mm, 130mm travelUSD telescopic forks, 45 mm
Rear Suspension
Swingarm, 152mm travelAluminium Paralever swinging arm, directly linked WAD spring strut, spring base and rebound damping adjustable
Front Brake
Hydraulic dual disc, 298 mmTwin disc brake, floating brake discs, 310 mm, 4-piston monobloc fixed calipers
Rear Brake
Single Disc, 320 mmSingle disc brake, 265 mm, 2-piston floating caliper
dimension specs
Overall Length
101.6 in OR 2581 mm86.6 in OR 2200 mm
Overall Width
41.5 in OR 1054 mm32.7 in OR 831 mm
Seat Height
27.8 in OR 706 mm29.7 in OR 754 mm
Ground Clearance
6.1 in OR 155 mm-
Weight
765 lbs OR 347 kg500 lbs OR 227 kg
Fuel Capacity
4.2 gallons OR 15.9 L3.7 gallons OR 14.0 L
Wheelbase
67.5 in OR 1715 mm59.8 in OR 1519 mm
tyres specs
Front
130/70R18M/C 63H100/90-19
Rear
190/60R17M/C 78H150/80-16

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