The Yamaha YN50 2003 5RNP PORTUGAL 1B5RN-300E1 parts lists consist of thirty-seven schematics.
With these YN50 2003 5RNP PORTUGAL 1B5RN-300E1 partsfiches you have access to five hundred thirty-two spares.
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.