Motocross Bikes

2010TM racing TM Racing MX 300

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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.

Capacity: 294.0 ccm
Engine: Single, two-stroke
Gearbox: 5-speed
Dry weight: 364.0 kg
Seat height: 918 mm
Power: 50.0 HP (36.8 kW)

⇄ Compare with another bike All model years

What’s new for the 2010 TM racing TM Racing MX 300

vs the 2009

Spec	2009	2010
Front suspension	Marzocchi USD 50mm ( optional Ohlins 48mm )	Marzocchi USD 50mm
Rear suspension	Sachs Boge (optional Ohlins )	Sachs Boge, optional Ohlins
Front brakes	Single disc	Single disc. Nissin pump and Brembo caliper
Rear brakes	Single disc	Single disc. Nissin pump and Brembo caliper

Other years 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail97%

Cornering88%

City riding5%

Daily riding8%

Touring8%

Two-up5%

Track85%

Best for: Built purely for motocross and cross-country racing, not for street use or commuting.
Built for: A light, razor-sharp, high-revving two-stroke that rewards aggressive riding and rewards technical skill with explosive acceleration and exceptional agility.
Not ideal for: Not suitable for beginners, daily commuting, road riding, or anyone seeking comfort, touring range, or a passenger seat.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 918mm, a rider of 68.9" with a 31" (estimated) inseam will not reach the ground comfortably on the 2010 TM racing TM Racing MX 300, with a cramped knee angle of around 80 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at over 900 mm — Sky High →

Find bikes that fit your height →

Full specifications

Engine

Capacity: 294.0 ccm
Power: 50.0 HP (36.8 kW)
Engine type: Single, two-stroke
Power/weight ratio: 0.1374 HP/kg (dry)
Bore x stroke: 72.0 x 72.0 mm
Cooling system: Liquid
Fuel system: Carburettor
Starting: Kick
Ignition: Kokusan CDI Electronic with variable advance with two selectable maps through handlebar switch
Lubrication system: 3.5% mixture

Transmission

Gearbox: 5-speed
Transmission type: Manual
Final drive: Chain
Clutch: Multiple-disk in oil bath with hydraulic control

Dimensions & weight

Wheelbase: 1280 mm
Overall length: 2030 mm
Overall width: 1250 mm
Overall height: 1300 mm
Seat height: 918 mm
Dry weight: 364.0 kg
Fuel capacity: 8.70 litres
Ground clearance: 305 mm

Chassis & suspension

Frame: Perimetral aluminium section
Front suspension: Marzocchi USD 50mm
Rear suspension: Sachs Boge, optional Ohlins
Front wheel travel: 48 mm

Brakes & wheels

Front brakes: Single disc. Nissin pump and Brembo caliper
Front brakes diameter: 270 mm
Rear brakes: Single disc. Nissin pump and Brembo caliper
Rear brakes diameter: 245 mm
Front tyre: 100/90-21
Rear tyre: 110/90-19

Other

Color options: Blue

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted

Specification	2008	2010	2011	2014	2016	2019
Capacity	294 cc	294 cc	294 cc	294 cc	295 cc	295 cc
Dry weight	364 kg	364 kg	364 kg	364 kg	364 kg	364 kg
Seat height	918 mm	918 mm	918 mm	918 mm	918 mm	918 mm
Fuel capacity	8.7 L	8.7 L	8.7 L	8.7 L	8.2 L	9.5 L