I would go by the Kohler specs over what the Cub Cadet manual specs.
I usually try to have all the specs in the upper middle of the spec.
What do I mean by "upper middle of the spec" ???
Example
Spec is .007 to .010. When finish I try to get strong .008 to a weak .009 clearance (.0085- .0089) .
Main reason is there are different types of materials in the engine. All expand and contract differently. I've built engines that way for years with no problems.
I check bore, crank and rod journals before and after the machine shop has it.
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