What category is the 2011 TM Racing MX 85 Junior?

The 2011 TM Racing MX 85 Junior has a Category of Cross / motocross.

What is the engine size of the 2011 TM Racing MX 85 Junior?

The 2011 TM Racing MX 85 Junior has a Capacity: of 85.00 ccm (5.19 cubic inches).

What type of engine does the 2011 TM Racing MX 85 Junior have?

The 2011 TM Racing MX 85 Junior has a Engine type of Single cylinder, two-stroke.

Is the 2011 TM Racing MX 85 Junior air cooled or liquid cooled?

The 2011 TM Racing MX 85 Junior has a Cooling system of Liquid.

How many gears does the 2011 TM Racing MX 85 Junior have?

The 2011 TM Racing MX 85 Junior has a Gearbox of 6-speed.

What is the engine power of the 2011 TM Racing MX 85 Junior?

The 2011 TM Racing MX 85 Junior has a Power of 19.85 HP (14.5 kW) @ 7000 RPM.

How much does the 2011 TM Racing MX 85 Junior weigh?

The 2011 TM Racing MX 85 Junior has a Dry weight of 364.0 kg (802.5 pounds).

What is the seat height of the 2011 TM Racing MX 85 Junior?

The 2011 TM Racing MX 85 Junior has a Seat height of 918 mm (36.1 inches) If adjustable, lowest setting..

TM Racing MX 85 Junior - 2011 Specifications and Reviews

Name: 2011 TM Racing MX 85 Junior
Brand: TM racing

The 2011 TM Racing MX 85 Junior is an entry-level motocross bike designed for young riders transitioning to competitive racing. It features quality components including Paioli USD forks, Ohlins rear suspension, and a liquid-cooled engine with 6-speed transmission. Known for its lightweight handling and reliability, the MX 85 Junior delivers excellent performance for junior-level motocross competition.

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2011

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General information
Category	Cross / motocross
Year	2011
Model	TM racing MX 85 Junior
Engine and Transmission Specifications
Clutch	Multiple-disk in oil bath with hydraulic control
Transmission type,final drive	Chain
Gearbox	6-speed
Cooling system	Liquid
Lubrication system	3.5% oil mixture
Ignition	Kokusan CDI Electronic with variable advance
Fuel system	Carburettor. Mikuni 28
Bore x stroke	47.9 x 47.0 mm (1.9 x 1.9 inches)
Compression	17.2:1
Engine details	Reed valve
Engine type	Single cylinder, two-stroke
Capacity:	85.00 ccm (5.19 cubic inches)
Brakes, suspension, Frame and wheels
Rear brakes diameter	220 mm (8.7 inches)
Rear brakes	Single disc
Front brakes diameter	260 mm (10.2 inches)
Front brakes	Single disc
Rear tyre dimensions	90/100-14
Front tyre dimensions	70/100-17
Rear suspension	Ohlins
Front suspension	Paioli USD 43
Frame type	Cr-Mo steel Perimetral oval section

Physical measures and capacities
Fuel capacity	7.00 litres (1.85 gallons)

Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Starter	Electric
Wheelbase	1,280 mm (50.4 inches)
Ground clearance	305 mm (12.0 inches)
Overall width	1,250 mm (49.2 inches)
Overall length	2,030 mm (79.9 inches)
Overall height	1,300 mm (51.2 inches)
Seat height	918 mm (36.1 inches) If adjustable, lowest setting.
Power/weight ratio	0.0545 HP/kg
Dry weight	364.0 kg (802.5 pounds)
Wheels	Alloy Wheels.
Rear tyre	22/10-12
Front tyre	25/8-12
Rear Suspension	Double A-Arm, IRS
Front Suspension	Double A-Arm
Driveline	4x4. L/H/N/R transmission shift. CVT
Fuel control	Single Overhead Cams (SOHC)
Bore x Stroke	92.0 x 75.6 mm (3.6 x 3.0 inches)
Power	19.85 HP (14.5 kW) @ 7000 RPM
Capacity:	503.00 ccm (30.69 cubic inches)
Color options	Blue

Performance Profile & Rider Fit

Best For

Track60%

City5%

Cornering70%

Daily Riding5%

Touring5%

Passenger0%

Rider Profile

Best For	This 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
Purpose	Built purely for motocross racing on closed off-road tracks, not for street use, commuting, or general recreation.
Rider Fit	Designed 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.
Character	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.

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

Rider Fit Visualizer

2011 TM racing TM Racing MX 85 Junior Rider Ergonomics Assessment

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Feet:

At 918mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2011 TM racing TM Racing MX 85 Junior, with a cramped knee angle of around 80 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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