If the inner cover you refer to is the "cover" and not the inner primary assembly, the cover doesn't have to come off to install that. If it is a chrome inner primary, then the clutch assembly also has to come off to install that as well as a few other things too.
Hope you have the manual before starting the job.
He may have been referring to the primary chain tensioner shoe if he mentioned the primary side of the engine.
Hope you have the manual before starting the job.
He may have been referring to the primary chain tensioner shoe if he mentioned the primary side of the engine.