These are the known mechanical and performance specifications for your 1990 KTM 500 MX.
Basic Specs
Engine
Displacement498.00 ccm (30.39 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM
Compression
Bore/Stroke89.0 x 80.0 mm (3.5 x 3.1 inches)
Valves/Cylinder
FuelingCarburettor. Dell´Orto VHSP 38
Ignitionmotoplat 176-1
Exhaust
Lubrication
CoolingLiquid
Performance
Horespower65.00 HP (47.4 kW)
Torque80.00 Nm (8.2 kgf-m or 59.0 ft.lbs)
Top Speed
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity12.11 litres (3.20 gallons)
Emissions
Chassis
Frame Type
Rake
Trail300 mm (11.8 inches)
Front Suspension
Front Travel300 mm (11.8 inches)
Rear SuspensionWP
Rear Travel340 mm (13.4 inches)
Seat
Seat Height965 mm (38.0 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance381 mm (15.0 inches)
Wheelbase
Dry Weight103.0 kg (227.1 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre
Rear Tire/Tyre
Front BrakesSingle disc
Front Brake Diameter
Rear BrakesSingle disc
Rear Brake Diameter
Wheels
Comments
available as 4/ 5 speed MX/ MXC