TM Racing MX 250 - 2012 Specifications and Reviews

The 2012 TM Racing MX 250 is a lightweight two-stroke motocross machine designed for competitive riders seeking pure performance on the track. Featuring a potent 249cc V-Force reed valve engine with liquid cooling and advanced electronic ignition with selectable maps, it delivers sharp throttle response and precise power delivery. This Italian-built machine is renowned for its aggressive handling characteristics and responsive power band, making it a favorite among experienced motocrossers competing in 250cc classes.

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General information

CategoryCross / motocross
Year2012
ModelTM Racing MX 250
 
 

Engine and Transmission Specifications

DrivelinePrimary drive: Straight – tooth gear
ClutchMultiple-disk in oil bath with hydraulic control
Transmission type,final driveChain
Gearbox5-speed
Cooling systemLiquid
Lubrication system3.5% oil mixture
IgnitionKokusan CDI Electronic with variable advance with two selectable maps through handlebar switch
Fuel systemCarburettor. Keihin PWM 38
Bore x stroke66.4 x 72.0 mm (2.6 x 2.8 inches)
Engine detailsV-Force Reed valve
Engine typeSingle cylinder, two-stroke
Capacity:249.00 ccm (15.19 cubic inches)

Brakes, suspension, Frame and wheels

WheelsSpoked, blue rims.
Rear brakes diameter245 mm (9.6 inches)
Rear brakesSingle disc. Braking wave disk. With Nissin pump and caliper
Front brakes diameter270 mm (10.6 inches)
Front brakesSingle disc. Braking wave disk. With Nissin pump and caliper
Rear tyre dimensions100/90-19
Front tyre dimensions80/100-21
Rear suspensionSachs Boge (optional Ohlins )
Front suspensionMarzocchi upside-down fork
Frame typePerimetral aluminium
 
 

Physical measures and capacities

Fuel capacity8.70 litres (2.30 gallons)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsBlue/white
StarterKick

Performance Profile & Rider Fit

Best For

Track88%
City5%
Cornering90%
Daily Riding5%
Touring8%
Passenger5%

Rider Profile

Best ForThis bike is built for experienced off-road and motocross riders comfortable with a peaky two-stroke powerband and kick-start-only operation.
PurposeIt's a pure competition motocross machine designed for racing on dirt tracks and closed circuits, not for road use.
Rider FitRiding it demands strong physical fitness, active body positioning, and good clutch/throttle control to manage the aggressive two-stroke power delivery.
CharacterIt has the character of a raw, lightweight, boutique Italian race weapon that rewards aggressive, skilled riding with sharp handling and explosive acceleration.
Not Ideal ForIt is not suitable for commuting, touring, passengers, or riders seeking comfort and easy low-speed manageability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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