These are the known mechanical and performance specifications for your 2009 Kawasaki KFX 50.
Basic Specs

Year2009
MakeKawasaki
ModelKawasaki KFX 50
TypeATV
CostUS$ 1999. Prices depend on country, taxes, accessories, etc.
Engine
Displacement49.50 ccm (3.02 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression10.8:1
Bore/Stroke39.0 x 41.4 mm (1.5 x 1.6 inches)
Valves/Cylinder
FuelingCarburettor. Keihin PTE 16
IgnitionSolid state CDI
Exhaust
Lubrication
CoolingAir
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity5.67 litres (1.50 gallons)
Emissions
Chassis
Frame TypeDouble cradle, steel
Rake
Trail
Front SuspensionDual A-arms, coil-over shocks / 8.5 in
Front Travel
Rear SuspensionSwingarm with piggy-back reservoir shock, dual-rate spring / 10.0 in
Rear Travel
Seat
Seat Height
Alt. Seat Height
Total Height
Total Length1,400 mm (55.1 inches)
Total Width881 mm (34.7 inches)
Ground Clearance864 mm (34.0 inches)
Wheelbase965 mm (38.0 inches)
Dry Weight394.7 kg (870.2 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre16/8-7 (AT)
Rear Tire/Tyre16/8-7 (AT)
Front BrakesDouble disc
Front Brake Diameter
Rear BrakesSingle disc
Rear Brake Diameter
Wheels

Comments
2WD. Continuously Variable Automatic transmission.