These are the known mechanical and performance specifications for your 1937 BSA Y13.
Basic Specs
Engine
Displacement748.00 ccm (45.64 cubic inches)
Type
DetailsTwin, four-stroke
Max RPM
Compression
Bore/Stroke71.0 x 94.0 mm (2.8 x 3.7 inches)
Valves/Cylinder
FuelingCarburettor. Amal monoblock
IgnitionLucas
Exhaust
LubricationDry sump
CoolingAir
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity17.00 litres (4.49 gallons)
Emissions
Chassis
Frame TypeDuplex cradle
Rake
Trail
Front SuspensionQuick adjustable shock-streering damper
Front Travel
Rear SuspensionNone-rigid
Rear Travel
SeatSingle seat
Seat Height
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance
Wheelbase1,372 mm (54.0 inches)
Dry Weight
Wet Weight204.0 kg (449.7 pounds)
Wheels & Brakes
Front Tire/Tyre4.00-18
Rear Tire/Tyre4.00-18
Front BrakesExpanding brake (drum brake)
Front Brake Diameter7 mm (0.3 inches)
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter7 mm (0.3 inches)
Wheels
Comments