These are the known mechanical and performance specifications for your 2020 TM Racing SMX Junior 2T.
Basic Specs

Engine
Displacement80.0 ccm (4.88 cubic inches)
TypeTitanium valves
DetailsSingle cylinder, four-stroke
Max RPM
Compression
Bore/Stroke46.5 x 47.0 mm (1.8 x 1.9 inches)
Valves/Cylinder4
FuelingInjection. Keihin 28
IgnitionKokusan generator, Microtec Electronic
Exhaust
LubricationPrimary drive: Straight – tooth gear
CoolingLiquid
Drivetrain
Gearbox5-speed
Final Drive
ClutchMultiuple-disk in oil-bath with hydaulic control
Driveline
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity6.00 litres (1.59 US gallons)
Emissions
Chassis
Frame TypePerimetral aluminium
Rake
Trail
Front Suspension38 mm Mupo
Front Travel50 mm (2.0 inches)
Rear SuspensionExtreme Tech double adjustement
Rear Travel
Seat
Seat Height
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance
Wheelbase
Dry Weight
Wet Weight
Wheels & Brakes
Front Tire/Tyre100/90-12
Rear Tire/Tyre120/80-12
Front BrakesSingle disc. Brembo radial pump and caliper
Front Brake Diameter240 mm (9.4 inches)
Rear BrakesSingle disc. Nissin pump and Brembo caliper
Rear Brake Diameter190 mm (7.5 inches)
Wheels
Comments
Optional electric starter.