To discover exactly which parts you require use the on-line schematic exploded diagram - it will even give you some idea of where and how to fit those new parts.
The largest parts list ( FRONT FORK ) contains fifty products for this YN50 2008 5C21 GERMANY 1F5C2-300E1.
YN50 2008 5C21 GERMANY 1F5C2-300E1 section with thirty-seven Other schematic pages.