These are the known mechanical and performance specifications for your 2011 TM Racing MX 250 Fi.
Basic Specs

Engine
Displacement249.46 ccm (15.22 cubic inches)
TypeDOHC with finger follower and 4 Titanium Valves
DetailsSingle cylinder, four-stroke
Max RPM
Compression
Bore/Stroke77.0 x 53.6 mm (3.0 x 2.1 inches)
Valves/Cylinder
FuelingInjection. Fuel Injection with 44mm throttle body
IgnitionKokusan generator, Microtec Electronic
Exhaust
LubricationDry sump with double rotor pump
CoolingLiquid
Drivetrain
Gearbox5-speed
Final DriveChain
ClutchMultiuple-disk in oil-bath with hydaulic control
Driveline
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity8.20 litres (2.17 gallons)
Emissions
Chassis
Frame TypePerimetral aluminium section
Rake
Trail
Front SuspensionMarzocchi upside-down fork
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/Tyre100/90-19
Front BrakesSingle disc
Front Brake Diameter270 mm (10.6 inches)
Rear BrakesSingle disc
Rear Brake Diameter245 mm (9.6 inches)
Wheels
Comments
Optional electric starter. Bike made in Italy.