These are the known mechanical and performance specifications for your 2006 Harley-Davidson XL 1200C Sportster 1200 Custom.
Basic Specs

Year2006
MakeHarley-Davidson
ModelHarley-Davidson XL 1200C Sportster 1200 Custom
TypeCustom / cruiser
CostUS$ 9595. Prices depend on country, taxes, accessories, etc.
Engine
Displacement1199.61 ccm (73.20 cubic inches)
Type
DetailsV2, four-stroke
Max RPM
Compression9.7:1
Bore/Stroke88.9 x 96.8 mm (3.5 x 3.8 inches)
Valves/Cylinder
FuelingCarburettor
Ignition
ExhaustChrome, staggered shorty duals
Lubrication
Cooling
Drivetrain
Gearbox5-speed
Final DriveBelt
ClutchMulti-plate clutch with diaphragm spring in oil bath
Driveline
Performance
Horespower
Torque107.12 Nm (10.9 kgf-m or 79.0 ft.lbs)
Top Speed
Fuel Economy & Polution
Fuel Consumption48.00 litres/100 km (2.1 km/l or 4.90 mpg)
Fuel Capacity17.03 litres (4.50 gallons)
Emissions1,113.6 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis
Frame Type
Rake30.1°
Trail119 mm (4.7 inches)
Front Suspension
Front Travel
Rear Suspension
Rear Travel
Seat
Seat Height
Alt. Seat Height
Total Height
Total Length2,294 mm (90.3 inches)
Total Width
Ground Clearance112 mm (4.4 inches)
Wheelbase1,534 mm (60.4 inches)
Dry Weight251.3 kg (554.0 pounds)
Wet Weight260.8 kg (575.0 pounds)
Wheels & Brakes
Front Tire/TyreMH90-21
Rear Tire/Tyre150/80-B16
Front BrakesSingle disc
Front Brake Diameter
Rear BrakesSingle disc
Rear Brake Diameter
Wheels

Comments
4.5-gallon fuel tank with stainless steel console. Significantly reduced clutch lever effort. Forward foot controls. High-compression, high-flow cylinder heads. Chrome pullback riser.