I would have thought your supplying dealer would have an obligation to supply this data.
Having said that and the UK stance with "small series" manufacturers such as MMC, not requiring them to publish maintenace data, you may be left with only generic wear limits as hinted in my PM to you.
2018 Roadster - Red/Magnolia - "Morton"
1967 Land Rover series 2a SWB
1960 Velocette Venom