Honda305.com Forum

Sprocket Specialists (sprocketspecialists.com) offers 530 aluminum rear sprockets for the CB77's, with availability from 28 to 71 (?) tooth versions. They also have heat treated steel front sprockets.

The CB72's had a 32 tooth rear sprocker, while the CB77's had a 30.

Due to the different diameter bearing races, install 18 in the top, and 19 in the bottom. Although the part book lists 38 balls total, that really should be 37.

I've used the Hagon shocks on my 1962 CB77 with factory chainguard, and my 1966 CB77 with UK repro chainguard with no clearance difficulties. As the lower clevis is substantially thicker material on the Hagon shock, you will have to turn the clevis so that the lower shock bolt (with lockwasher) will...