These are the known mechanical and performance specifications for your 1991 Tomos BT.
Basic Specs
Engine
Displacement49.00 ccm (2.99 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM8500
Compression11.0:1
Bore/Stroke38.0 x 43.0 mm (1.5 x 1.7 inches)
Valves/Cylinder
FuelingCarburettor. Bing 18mm
Ignition
Exhaustcantor
Lubrication
CoolingAir
Performance
Horespower5.36 HP (3.9 kW)
Torque5.00 Nm (0.5 kgf-m or 3.7 ft.lbs)
Top Speed90.0 km/h (55.9 mph)
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity9.50 litres (2.51 gallons)
Emissions
Chassis
Frame Type
Rake
Trail
Front Suspension
Front Travel
Rear Suspension
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/Tyre
Rear Tire/Tyre
Front BrakesSingle disc
Front Brake Diameter
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter
Wheels
Comments