outer primary gasket

Got an 04 Ridgeback. Picked it up real cheap couple weeks ago, want to open up the primary to check tension on the chain, and make sure my compensator ain't loose. Wondering if that outer primary gasket is a Harley size that I can just pick up from a dealer, or if I got to put everything on hold...

Got an 04 Ridgeback. Picked it up real cheap couple weeks ago, want to open up the primary to check tension on the chain, and make sure my compensator ain't loose. Wondering if that outer primary gasket is a Harley size that I can just pick up from a dealer, or if I got to put everything on...