These are the known mechanical and performance specifications for your 2011 TM Racing MX 250.
Basic Specs
Engine
Displacement249.00 ccm (15.19 cubic inches)
TypeV-Force Reed valve
DetailsSingle cylinder, two-stroke
Max RPM
Compression17.2:1
Bore/Stroke66.4 x 72.0 mm (2.6 x 2.8 inches)
Valves/Cylinder
FuelingCarburettor. Keihin PWM 38
IgnitionKokusan CDI Electronic with variable advance with two selectable maps through handlebar switch
Exhaust
Lubrication3.5% oil mixture
CoolingLiquid
Drivetrain
Gearbox5-speed
Final DriveChain
ClutchMultiple-disk in oil bath with hydraulic control
Driveline
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity8.70 litres (2.30 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/Tyre100/90-21
Rear Tire/Tyre110/90-19
Front BrakesSingle disc. Nissin pump and Brembo caliper
Front Brake Diameter270 mm (10.6 inches)
Rear BrakesSingle disc. Nissin pump and Brembo caliper
Rear Brake Diameter245 mm (9.6 inches)
Wheels
Comments
Made in Italy