These are the known mechanical and performance specifications for your 2020 Thumpstar MX 85.
Basic Specs
Engine
Displacement85.0 ccm (5.19 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM
Compression
Bore/Stroke49.0 x 47.0 mm (1.9 x 1.9 inches)
Valves/Cylinder
FuelingCarburettor. Keihin PWK 28
Ignition
Exhaust
Lubrication
Cooling
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity5.00 litres (1.32 US gallons)
Emissions
Chassis
Frame TypeCentral-Tube Frame with Double-Cradle
Rake
Trail
Front SuspensionAdjustable Upside Down VS1 Forks
Front Travel205 mm (8.1 inches)
Rear SuspensionVS1 PDI Mono Shock
Rear Travel185 mm (7.3 inches)
Seat
Seat Height
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance
Wheelbase
Dry Weight
Wet Weight
Wheels & Brakes
Front Tire/Tyre
Rear Tire/Tyre
Front BrakesSingle disc. Dual Pot Calipers
Front Brake Diameter
Rear BrakesSingle disc
Rear Brake Diameter
WheelsSteel Rim
Comments