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CB750 K1 cam lobe measurements

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K2-K6:
A little wear there but certainly not trashed. Some look like they've run with below normal clearance from the polishing on the base circle (usually takes it's toll on the lobe peak as well by breaking down the oil film) with some of the peaks showing pickup artifacts, but polished off through running. And maybe a little oil condition past it's best mixed in too.

Probably desirable to replace in pure technical terms,  but doubt it would give problems if run again. Could also dress off the lobes with flat oilstone to restore surface finish. Guess it depends on availability of substitute if you go that way.

Do the rocker faces look serviceable?

WestYorkshireBiker:

--- Quote from: K2-K6 on April 06, 2021, 08:23:40 PM ---A little wear there but certainly not trashed. Some look like they've run with below normal clearance from the polishing on the base circle (usually takes it's toll on the lobe peak as well by breaking down the oil film) with some of the peaks showing pickup artifacts, but polished off through running. And maybe a little oil condition past it's best mixed in too.

Probably desirable to replace in pure technical terms,  but doubt it would give problems if run again. Could also dress off the lobes with flat oilstone to restore surface finish. Guess it depends on availability of substitute if you go that way.

Do the rocker faces look serviceable?

--- End quote ---
Thanks for the reply. Checking the rockers and housings / shafts tomorrow so I'll get back on that. First eyeball I did earlier two look scored to be honest but might be wrong. Thanks.

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