Originally Posted by COXR650L
Ok so looking at the end support bearing in the clutch cover for the crank, there is some noticeable wear:
Or should I try and replace it, and if so do I need to split the cases to check the other main bearings?
I know Pyndon replaced his; he told me this was because it failed the "fingernail" test (could feel a groove). There is no wear spec in the manual for this, only for the crank end that rotates inside it.