Cross - Motocross · 2006
MX 85 Junior
Technical Overview
2006 TM Racing MX 85 Junior Technical Analysis & Specification Breakdown
Engineered by TM Racing for the cross - motocross motorcycle segment, the 2006 TM Racing MX 85 Junior relies on a 85 cc (5.2 cu in) liquid-cooled single cylinder, two-stroke powerplant. Internal engine geometry specifies a bore and stroke of 47.9 x 47.0 mm (1.9 x 1.9 inches) with a 17.2:1 compression ratio.
Within MotoLibrary's TM Racing archive, this model family spans 6 indexed model years from 2005 to 2019, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Engine
Displacement 85.0 ccm (5.19 cubic inches)
Engine Type Single cylinder, two-stroke
Engine Details Single cylinder, two-stroke
Compression 17.2:1
Bore x Stroke 47.9 x 47.0 mm (1.9 x 1.9 inches)
Fuel System Carburettor. Mikuni 28
Ignition Kokusan CDI Electronic with variable advance
Cooling Liquid
Transmission
Clutch Multiple-disk in oil bath with hydraulic control
Chassis
Frame Type Cr-Mo steel. Perimetral oval section.
Wheels & Brakes
Front Brakes Single disc
Front Brake Ø 260 mm (10.2 inches)
Rear Brakes Single disc
Rear Brake Ø 220 mm (8.7 inches)
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