
Disassembling the gearbox shafts is necessary to replace shaft parts.
Removing the gearbox is discussed in the article - "Removing the gearbox"

Removing the gear shift mechanism is discussed in the article – “Gearbox Repair”.
Disassembling the gearbox shafts is necessary to replace shaft parts.
Removing the gearbox is discussed in the article - "Removing the gearbox"
Removing the gear shift mechanism is discussed in the article – “Gearbox Repair”.