Yamaha Marine Outboards Factory Service / Repair/ Workshop Manual 225G 250B L250B, Page 245Get this manual
EXHAUST MANIFOLD ASSEMBLY
DISASSEMBLINGASSEMBLING THE EXHAUST MANIFOLD ASSEMBLY (225F, L225F, 250B, L250BS225, L225, S250, L250)
JobPart Bolt Muffler Water tube Water seal Bolt Exhaust manifold Gasket