mikuni on a FD … buy thereal thing if worried and want to install… up to u
see FREE service manual for oldies ….see PH section explains purge valve.. dowload – print locally double sided pages & bind. contains ALL you need to service oldies
https://www.socalaomci.com/library/johnson_service_manual_10th_edition.pdf
Joining AOMCI has priviledges 🙂
