These are the known mechanical and performance specifications for your 2006 CR&S VUN.
Basic Specs

Engine
Displacement652.00 ccm (39.79 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression9.7:1
Bore/Stroke100.0 x 83.0 mm (3.9 x 3.3 inches)
Valves/Cylinder4
FuelingInjection
Ignition
Exhaust
Lubrication
CoolingLiquid
Performance
Horespower54.00 HP (39.4 kW)
Torque58.90 Nm (6.0 kgf-m or 43.4 ft.lbs)
Top Speed
Chassis
Frame TypeSteel tubes and machined light alloy plates compound
Rake
Trail
Front Suspension
Front Travel
Rear Suspension
Rear Travel
Seat
Seat Height
Alt. Seat Height
Total Height
Total Length1,980 mm (78.0 inches)
Total Width
Ground Clearance
Wheelbase1,368 mm (53.9 inches)
Dry Weight
Wet Weight
Wheels & Brakes
Front Tire/Tyre120/70-ZR17
Rear Tire/Tyre160/60-ZR17
Front BrakesSingle disc
Front Brake Diameter320 mm (12.6 inches)
Rear BrakesSingle disc
Rear Brake Diameter220 mm (8.7 inches)
Wheels
Comments
A tuned up version is available delivering 68 HP. CR and S is an abbreviation of Cafe Racers and Superbikes.