Motocross Bikes

2008TM racing TM Racing MX 85 Junior

22 fields on record

The 2008 TM Racing MX 85 Junior is a competitive two-stroke motocross bike designed for aspiring young riders and junior racers. It features a high-compression 85cc single-cylinder engine with advanced technology including electronic ignition and liquid cooling, delivering punchy performance suited to competitive junior racing. Known for its responsive handling courtesy of premium Paioli forks and lightweight Cr-Mo frame, it excels in providing the agility and precision needed for development-level motocross competition.

Capacity: 85.0 ccm
Engine: Single single, two-stroke
Gearbox: 6-speed
Dry weight: Not on record
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Seat height: Not on record
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Power: Not on record
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⇄ Compare with another bike All model years

What’s new for the 2008 TM racing TM Racing MX 85 Junior

vs the 2007

Spec	2007	2008
Engine capacity	85.00 ccm (5.19 cubic inches)	85.0 ccm (5.19 cubic inches)
Power	15.0 HP (estimated - EU/UK A1-licence power-restricted range, ~11kW cap)	not listed
Fuel capacity	7.00 litres (1.85 gallons)	7.00 litres (1.85 US gallons)
Front brakes	Single disc. Nissin pump and Brembo caliper	Single disc
Rear brakes	Single disc. Nissin pump and caliper	Single disc

Other years 2005 2006 2007 2008 2009 2010 2011

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail95%

Cornering70%

City riding5%

Daily riding5%

Touring5%

Two-up0%

Track60%

Best for: Built purely for motocross racing on closed off-road tracks, not for street use, commuting, or general recreation.
Built for: A sharp, race-bred two-stroke with premium suspension components (Paioli and Ohlins) that rewards aggressive, precise riding and rapid direction changes.
Not ideal for: Not suitable for adult riders, road riding, touring, passengers, or anyone seeking a comfortable or beginner-friendly bike.

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

Full specifications

Engine

Capacity: 85.0 ccm
Engine type: Single single, two-stroke
Bore x stroke: 47.9 x 47.0 mm
Compression: 17.2:1
Cooling system: Liquid
Fuel system: Carburettor
Ignition: Kokusan CDI Electronic with variable advance
Power: Not on record - add it

Transmission

Gearbox: 6-speed
Transmission type: Manual
Final drive: Chain
Clutch: Multiple-disk in oil bath with hydraulic control

Dimensions & weight

Fuel capacity: 7.00 litres
Seat height: Not on record - add it
Dry weight: Not on record - add it
Ground clearance: Not on record - add it

Chassis & suspension

Frame: Cr-Mo steel Perimetral oval section
Front suspension: Paioli USD 43
Rear suspension: WP

Brakes & wheels

Front brakes: Single disc
Front brakes diameter: 260 mm
Rear brakes: Single disc
Rear brakes diameter: 220 mm
Front tyre: 70/90-x17
Rear tyre: 90/90-x14

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	2005	2007	2008	2010	2011
Capacity	85.00 ccm (5.19 cubic inches)	85.00 ccm (5.19 cubic inches)	85.00 ccm (5.19 cubic inches)	85.00 ccm (5.19 cubic inches)	85.00 ccm (5.19 cubic inches)
Dry weight	—	—	—	—	364.0 kg (802.5 pounds)
Seat height	—	—	—	—	918 mm (36.1 inches)
Fuel capacity	7.00 litres (1.85 gallons)	7.00 litres (1.85 gallons)	7.00 litres (1.85 gallons)	7.00 litres (1.85 gallons)	7.00 litres (1.85 gallons)
Color options	—	—	—	—	Blue