Bosch F002H20986079 GO 90 API GL-4 SAE 90 Gear Oil for All Vehicles (5 L)

Can I use it for my Ninja650

Can i use it for old model royal Enfield Electra (4 gear) ,if yes how much quantity should i use or if no then what grade should I use ?

Can i use for toyota innova crysta 2.4 diesel

Does it harm my ktm duke 200 chain if i use it for chain lubrication