These are the known mechanical and performance specifications for your 2009 Hyosung Rapier 450 Quad.
Basic Specs

Engine
Displacement448.80 ccm (27.39 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression
Bore/Stroke
Valves/Cylinder4
Fueling
Ignition
Exhaust
Lubrication
CoolingLiquid
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity11.00 litres (2.91 gallons)
Emissions
Chassis
Frame Type
Rake
Trail
Front Suspension
Front Travel
Rear Suspension
Rear Travel
Seat
Seat Height
Alt. Seat Height
Total Height1,155 mm (45.5 inches)
Total Length1,835 mm (72.2 inches)
Total Width1,170 mm (46.1 inches)
Ground Clearance260 mm (10.2 inches)
Wheelbase1,250 mm (49.2 inches)
Dry Weight165.0 kg (363.8 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre175/75-10
Rear Tire/Tyre255/55-9
Front BrakesDouble disc
Front Brake Diameter
Rear BrakesSingle disc
Rear Brake Diameter
Wheels
Comments
A 19 HP version for road use available. 5-speed and reverse.