CB Head Shots

Full Screen Mode

OK I know these are a little blurry, but they do indicate the differences between the various three cylinder heads.

Note the differences between the CB22 and the CB23/60 casting, exhaust ports, plug sheilds, waterways, etc.

 

CB22 CB23 CB60/61 CB70/80
Valve Train View
Exhaust Ports
Intake Ports see CB60
Combustion Chamber
CB60 Stamping - - -
CB23/60 to CB70/80 Exh Comparison - - -