This MUFFLER (ONLY FOR YDS5) assembly utilises two Gasket, Exhaust Pipe (nas)(s) - the highest specified component.
A sample from the products for the Muffler (only For Yds5) include: Nut, Ring, Muffler Assembly (r.h.), Gasket, Muffler Joint (mca), Ybs67-8 Washer, Spring.