The largest parts list ( LOWER - DRIVE 1 ) contains eighty-four products for this 40G/EG/ETG 1988.
The Yamaha 40G/EG/ETG 1988 parts lists consist of thirty-seven schematics.
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.