2011 TM Racing MX 250 Technical Analysis & Specification Breakdown
At the heart of the 2011 TM Racing MX 250 cross - motocross motorcycle, TM Racing pairs a 249 cc (15.2 cu in) liquid-cooled single cylinder, two-stroke architecture with road-focused gearing. Internal engine geometry specifies a bore and stroke of 66.4 x 72.0 mm (2.6 x 2.8 inches) with a 17.2:1 compression ratio.
The 8.7-liter (2.3 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's TM Racing archive, this model family spans 10 indexed model years from 2005 to 2019, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Engine
Displacement249.0 ccm (15.19 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsV-Force Reed valve
Compression17.2:1
Bore x Stroke66.4 x 72.0 mm (2.6 x 2.8 inches)
Fuel SystemCarburettor. Keihin PWM 38
IgnitionKokusan CDI Electronic with variable advance with two selectable maps through handlebar switch
Lubrication3.5% oil mixture
CoolingLiquid
Transmission
Gearbox5-speed
Final DriveChain (final drive)
ClutchMultiple-disk in oil bath with hydraulic control
Chassis
Frame TypePerimetral aluminium section
Front SuspensionMarzocchi upside-down fork
Rear SuspensionSachs Boge (optional Ohlins )
Wheels & Brakes
Front Tyre100/90-21
Rear Tyre110/90-19
Front BrakesSingle disc. Nissin pump and Brembo caliper
Front Brake Ø270 mm (10.6 inches)
Rear BrakesSingle disc. Nissin pump and Brembo caliper
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
