These are the known mechanical and performance specifications for your 1978 Ural M-63 (with sidecar).
Basic Specs
Engine
Displacement650.00 ccm (39.66 cubic inches)
Type
DetailsTwo cylinder boxer, four-stroke
Max RPM
Compression
Bore/Stroke78.0 x 68.0 mm (3.1 x 2.7 inches)
Valves/Cylinder
Fueling
Ignition
Exhaust
Lubrication
CoolingAir
Drivetrain
Gearbox
Final DriveShaft drive (cardan)
Clutch
Driveline
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 Weight320.0 kg (705.5 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre
Rear Tire/Tyre
Front BrakesExpanding brake
Front Brake Diameter
Rear BrakesExpanding brake
Rear Brake Diameter
Wheels
Comments
Motorcycle model made by the Ural Irbits factory 1963-80. Weight includes sidecar.