These are the known mechanical and performance specifications for your 2011 Yamaha DS11 Drag Star Eleven 1100.
Basic Specs

Engine
Displacement1063.00 ccm (64.86 cubic inches)
Type
DetailsV2, four-stroke
Max RPM
Compression8.3:1
Bore/Stroke95.0 x 75.0 mm (3.7 x 3.0 inches)
Valves/Cylinder2
FuelingCarburettor. BSR37
IgnitionT.C.I. Formula
Exhaust
LubricationWet sump
CoolingAir
Drivetrain
Gearbox5-speed
Final DriveShaft drive (cardan)
ClutchWet multiple plate coil springs
DrivelineShaft/2.874 (44/47×19/18×32/11). Primary drive: Gear/1.659 (78/47).
Performance
Horespower60.35 HP (44.1 kW)
Torque82.00 Nm (8.4 kgf-m or 60.5 ft.lbs)
Top Speed
Fuel Economy & Polution
Fuel Consumption3.13 litres/100 km (31.9 km/l or 75.15 mpg)
Fuel Capacity17.00 litres (4.49 gallons)
Emissions72.6 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis
Frame TypeDouble cradle
Rake33.0°
Trail136 mm (5.4 inches)
Front Suspension
Front Travel
Rear Suspension
Rear Travel
Seat
Seat Height690 mm (27.2 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1,100 mm (43.3 inches)
Total Length2,405 mm (94.7 inches)
Total Width895 mm (35.2 inches)
Ground Clearance
Wheelbase1,640 mm (64.6 inches)
Dry Weight262.0 kg (577.6 pounds)
Wet Weight278.0 kg (612.9 pounds)
Wheels & Brakes
Front Tire/Tyre110/90-M18
Rear Tire/Tyre170/80-M15
Front BrakesDouble disc
Front Brake Diameter
Rear BrakesSingle disc
Rear Brake Diameter
Wheels
Comments
Sold in Japan.