TM Racing MX 300 - 2010 Specifications and Reviews

The 2010 TM Racing MX 300 is a lightweight two-stroke motocross machine built for competitive amateur and intermediate riders seeking responsive handling and agility. Powered by a punchy 294cc single-cylinder engine with adjustable ignition mapping, it excels in technical terrain where nimbleness matters more than outright power. The bike is renowned for its precision-engineered Italian craftsmanship and sharp cornering performance.

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General information

CategoryCross / motocross
Year2010
ModelTM racing MX 300
 
 

Engine and Transmission Specifications

ClutchMultiple-disk in oil bath with hydraulic control
Transmission type,final driveChain
Gearbox5-speed
Cooling systemLiquid
Lubrication system3.5% mixture
IgnitionKokusan CDI Electronic with variable advance with two selectable maps through handlebar switch
Fuel systemCarburettor. Keihin PWM 38
Bore x stroke72.0 x 72.0 mm (2.8 x 2.8 inches)
Engine typeSingle cylinder, two-stroke
Capacity:294.00 ccm (17.94 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakes diameter245 mm (9.6 inches)
Rear brakesSingle disc. Nissin pump and Brembo caliper
Front brakes diameter270 mm (10.6 inches)
Front brakesSingle disc. Nissin pump and Brembo caliper
Rear tyre dimensions110/90-19
Front tyre dimensions100/90-21
Rear suspensionSachs Boge, optional Ohlins
Front suspensionMarzocchi USD 50mm
Frame typePerimetral aluminium section

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

Performance Profile & Rider Fit

Best For

Track85%
City5%
Cornering88%
Daily Riding8%
Touring8%
Passenger5%

Rider Profile

Best ForThis is a purebred competition two-stroke best suited to experienced off-road or motocross riders comfortable with a peaky, aggressive power delivery and no electric starter.
PurposeBuilt purely for motocross and cross-country racing, not for street use or commuting.
Rider FitDemands a fit, athletic rider able to stand, shift weight actively, and kick-start the bike, as it has no mirrors, lights, or passenger accommodations.
CharacterA light, razor-sharp, high-revving two-stroke that rewards aggressive riding and rewards technical skill with explosive acceleration and exceptional agility.
Not Ideal ForNot suitable for beginners, daily commuting, road riding, or anyone seeking comfort, touring range, or a passenger seat.

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

Rider Reviews

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