1991 Mazda B-Series "bg5p" Questions

What is the correct spark plug and gap for a E-BG5P engine What year is the car?

I have Mazda 323 car of 1991& it's engine is BG5P EGI-MPI, it is not start, I need engine wiring diagram Sorry threw some old papers out a few years back as its so old its obsolete

Mazda E-BG5P tune up specs Not too sure how this web site works... Am after the correct plug and gap for this engine. Regards At an auto parts store, if you tell them the car you have (year, make, and