The hinge bolt on the MK1 NA 1.8 alternator and on all models and versions of NB/NBFL Mk2/2.5 there after is a pain at service time...basically the bolt is fed from the back to the front and the outside leg of the alternator is threaded, which is open to the elements, the alloy of the alternator...

I was asked by Ross Mckee if i could do a quick straight forward simple guide to use and follow, hope this helps buddy....

This is a simple thing to do and only requires two tools...
A paper clip and a turner inner and outer stick (screw driver)...

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Unbend the paper clip...

This is a guide on replacing the CAS O'ring which is the same procedure for the MK 1 1.6 ( On the left hand side rear *1 ) and 1.8 ( on the right hand side rear **2) versions be it a Jap Eunos import, stateside Miata or European Mx5 from 1989 to 1997, we do recommend that you also change the Rocker...

This "How to Guide" will cover adding an A/C fan to the existing radiator cooling fan thereby giving dual cooling fans for far better radiator cooling (A/C = Air Conditioning)

If your Mazster was not built with A/C then this is a great upgrade and also for those ripping out their A/C it...

Firing order for the 1.6cc and the 1.8cc......

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Mk 1 NA 1.8cc

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MK 1 NA 16.cc

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M-m