Ive been searching for a couple days and its really driving me crazy that i can find any info on this plug on the inside of the e shaft.The engine is a 1979 12a.I messed it up a little bit thinking i was being smart and trying to use a puller to remove the flywheel when all i needed to do was bang on it 3 times with a huge hammer...so my question is what is this plug called?what is it for and should i replace it or leave it alone?can oil leak from this plug?Thank,Pat

 

Pilot bearing.

https://www.pineappleracing.com/pilo...ngandseal.aspx

 

I mean the Allen bolt looking thing behind the pilot bearing

 

A little searching on Google found this. https://www.mazdabg.com/ftp-uploads/...NT_REPLACE.htm

 

cool thanks.do you think i should replace it?are those known to leak?

 

Is the blind plug pretty hard to get out?I kinda messed it up a little.

 

This is something new to me and I've never read on here where anyone has removed it. When rebuilding a first gen 12A rotary engine, I've never came across anyone that says they have messed with this.

A great resource for the factory service manuals is here: Foxed.ca - Mazda RX-7 Manuals

This rebuild criteria manual might help: http://www.foxed.ca/rx7manual/manual...ria%201979.pdf

 

Alrighty thanks.if thats the case,i will just leave it alone.I just didn't want to put it in the car and find out it leaks.Thanks for the links.

 

I've never seen, nor ever heard, of the blind plug leaking.

 

Cool thanks.