I cannot comment on the fix, as I bought a new assembly, but I kept my old sprague clutch and plan to retain it as backup once I source the seal. I do thank you for the thread, as it helped me diagnose the problem I had been living with.
I trust Summer riding season has put a smile on your face. Best to H.
...its the best paint scheme that has ever been or ever will be on an Adv...-AussieRob