A sample from the products for the Exhaust include: Gasket, Muffler (nas), Screw, Bind (844), Bolt, Flange (4h3), Washer, Wave (1t2).
The Washer, Protecter is the most widely applied product in the XT350'88 1988 55V0 EUROPE 1855V-300E1 EXHAUST ( four times ).
The Yamaha EXHAUST has eighteen products enlisted in the schematic.