These are the known mechanical and performance specifications for your 2010 TM Racing EN 450 F e.s..
Basic Specs

Engine
Displacement449.16 ccm (27.41 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression
Bore/Stroke95.0 x 63.4 mm (3.7 x 2.5 inches)
Valves/Cylinder4
FuelingCarburettor. Keihin 39 mm
IgnitionKokusan CDI Electronic with variable advance
Exhaust
LubricationDry sump with double rotor pump
CoolingLiquid
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity8.20 litres (2.17 gallons)
Emissions
Chassis
Frame Type
Rake
Trail
Front SuspensionMarzocchi US
Front Travel
Rear SuspensionSachs Boge ( optional Ohlins )
Rear Travel
Seat
Seat Height
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance
Wheelbase
Dry Weight
Wet Weight
Wheels & Brakes
Front Tire/Tyre90/90-21
Rear Tire/Tyre140/80-18
Front BrakesSingle disc. Wave disk. Nissin pump and Brembo caliper.
Front Brake Diameter270 mm (10.6 inches)
Rear BrakesSingle disc. Wave disk. Nissin pump and Brembo caliper.
Rear Brake Diameter245 mm (9.6 inches)
Wheels
Comments
Bike made in Italy.