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Motocross Bikes

2008TM Racing MX 85 Junior

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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, two-stroke
Gearbox
6-speed
Dry weight
Not on record
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Seat height
918 mm
Power
Not on record
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⇄ Compare with another bike + Add to garage All model years

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

vs the 2007
Spec20072008
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
Speed 32Agility 87Comfort 25Off-road 95Touring 5Road manners 10
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.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 918mm, a rider of 68.9" with a 31" (estimated) inseam will not reach the ground comfortably on the 2008 TM Racing MX 85 Junior, 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 →

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Full specifications

Engine
Capacity
85.0 ccm
Engine type
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
Lubrication system
3.5% oil mixture
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
Wheelbase
1280 mm
Overall length
2030 mm
Overall width
1250 mm
Overall height
1300 mm
Seat height
918 mm
Fuel capacity
7.00 litres
Ground clearance
305 mm
Dry weight
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

Specs last verified against published sources: .

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 20052007200820102011
Capacity 85 cc 85 cc 85 cc 85 cc 85 cc
Seat height 918 mm 918 mm 918 mm 918 mm 918 mm
Fuel capacity 7 L 7 L 7 L 7 L 7 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Rider Reviews

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Common questions

What is the engine size of the TM Racing MX 85 Junior?

The 2008 TM Racing MX 85 Junior has a Capacity of 85.0 ccm (5.19 cubic inches).

How many gears does the TM Racing MX 85 Junior have?

The 2008 TM Racing MX 85 Junior has a Gearbox of 6-speed.

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