These are the known mechanical and performance specifications for your 1977 Honda CT 125.
Basic Specs
Engine
Displacement124.00 ccm (7.57 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression8.0:1
Bore/Stroke56.5 x 49.5 mm (2.2 x 1.9 inches)
Valves/Cylinder
FuelingCarburettor
IgnitionKick
Exhaustsingle black exaust
Lubrication
CoolingAir
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity6.05 litres (1.60 gallons)
Emissions
Chassis
Frame Type
Rake61.3°
Trail110 mm (4.3 inches)
Front SuspensionInverted Forks
Front Travel
Rear SuspensionTwin Rear Spring
Rear Travel
Seat
Seat Height813 mm (32.0 inches) If adjustable, lowest setting.
Alt. Seat Height813 mm (32.0 inches) If adjustable, highest setting.
Total Height1,100 mm (43.3 inches)
Total Length2,035 mm (80.1 inches)
Total Width900 mm (35.4 inches)
Ground Clearance
Wheelbase1,295 mm (51.0 inches)
Dry Weight108.0 kg (238.1 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre3/19-4PR
Rear Tire/Tyre4/18-4PR
Front BrakesExpanding brake (drum brake)
Front Brake Diameter
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter
Wheels
Comments
This is an extremely rare bike