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Here's the well thought out answer that I received from a very well respected resource from another CB750 DOHC forum: The head studs for the 750F are different than the other 750s; they are the beefier spiral looking metal like the 900/1000/1100 studs. (All 900/10000/1100 use the same studs)...

I’m trying to understand, what if any, difference there is between the engines on the 1979 CB750K DOHC bike and the 1979 CB750F DOHC bike (called the CB750F-A in some markets). I was sure that I had read somewhere that the CB750F DOHC bike had different cam profiles and larger valves than the...

Good work.....we learn so much from these old bikes. Just need time and patience! #3 at .003" looks a bit tight, and if you had a smaller shim to bring it up to .005"-.008" then just change that one....but if not, I'd ride it as-is for another 1-2000 miles and them check them again.

Another tip (I'm in QLD by the way), get yourself a flexible pick up magnet tool. I paid about $5 for mine, but something like this is good: https://www.supercheapauto.com.au/p/toolpro-toolpro-pick-up-tool-magnetic-flexible/12545.html The reason I mention this is because some of the shims pop...

I recently acquired a beautiful original CB750K (DOHC) 10th Anniversary Limited Edition, unfortunately the original leather tool bag was not included (most likely lost over the years). Would anyone have one to sell me? I'd love to make this bike super original.

Thanks for the reply 'dirtdigger', I'll measure my existing shims and adjust as necessary up to 0.005"

Hi..this is my first post on this forum; hopefully the link below shows my bike I'm currently working through a CB750F from 1980 that I recently imported into Australia from New York. It's a one owner bike with what, I believe to be, a genuine 11,000 miles. The bike has sat (indoors) for 10-15...