After using the rear brake aggressively for the oast few months, MY rear drum squeals noticeably more now when i'm coming to a stop. Should i replace the rear drum parts now? What parts should i order on Partzilla? I see two different drum kits but the prices are vastly different.

First off I just want to say my 2007 tw200 was bought new by me and has 6,000 miles on it. The base gasket has been leaking since ~4,000 miles. It makes my blood boil to think I'm doing this work after I paid over$4,000 on a motorcycle which has been in production for many many years. I would...