TM Racing MX 85 Junior - 2009 Specifications and Reviews

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General information

CategoryCross / motocross
ModelTM racing MX 85 Junior
Year2009
 
 

Engine and Transmission Specifications

ClutchMultiple-disk in oil bath with hydraulic control
Gearbox6-speed
Cooling systemLiquid
IgnitionKokusan CDI Electronic with variable advance
Fuel systemCarburettor. Mikuni 28
Bore x stroke47.9 x 47.0 mm (1.9 x 1.9 inches)
Compression17.2:1
Stroke2
Engine typeSingle cylinder
Capacity:85.00 ccm (5.19 cubic inches)
 
 

Physical measures and capacities

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter260 mm (10.2 inches)
Front brakesSingle disc
Rear tyre dimensions90/90-x14
Front tyre dimensions70/90-x17
Rear suspensionWP
Front suspensionPaioli USD 43
Frame typeCr-Mo steel Perimetral oval section

Speed and acceleration

Fuel capacity7.00 litres (1.85 gallons)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track60%
City5%
Cornering70%
Daily Riding5%
Touring5%
Passenger0%

Rider Profile

Best ForThis is a competition-focused 85cc youth motocross machine intended for young, developing riders with prior dirt-bike experience, not beginners; note that the specification data provided appears to mix in unrelated figures from a separate large ATV/UTV mo
PurposeBuilt purely for motocross racing on closed off-road tracks, not for street use, commuting, or general recreation.
Rider FitDesigned for a lightweight junior rider with the fitness and skill to manage a high-revving two-stroke and aggressive suspension travel over jumps and rough terrain.
CharacterA sharp, race-bred two-stroke with premium suspension components (Paioli and Ohlins) that rewards aggressive, precise riding and rapid direction changes.
Not Ideal ForNot suitable for adult riders, road riding, touring, passengers, or anyone seeking a comfortable or beginner-friendly bike.

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

Rider Reviews

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