Engine and Transmission parts for Honda CB450, CL450 Scrambler, CB500T motorcycles

The Honda 450cc family of engines was built from 1965 to 1974 and was used in the CB450, CL450 Scrambler & CB500T family of motorcycles. The engine is a dual overhead cam with torsion bar valve springs. The block is an inline two cylinder at 444cc with 5 speed transmission (K0 models had a 4-speed). The last variant of the engine is late CB500T built from 1975-1976 which uses the same architecture as the CB450, but the stroke was increased to bring the total engine to 498cc in size.