Is my 1990 miata the generation with the crankshaft issue?


Asked by Aug 08, 2012 at 05:12 PM about the 1990 Mazda MX-5 Miata Roadster

Question type: Maintenance & Repair

My VIN ends in that the good or the bad?  Thanks!!

3 Answers


yes yours is one of the generation that had crankshaft issues,but if you are having low power troubles and the crank key is wiped out not all is lost. Permatech makes a repair kit specifically for this engine and it works.way better than having to replace crankshaft.:)

6 of 6 people found this helpful.

Thanks. I posted this above. Should a perused the q/a first.

I can not find any repair kit made by Permatech. Did they mean permatec ? I have read where a person cut a piece of steel to fill the worn area of the crank shaft between th key and bad area, then they put JB Weld over that. they felt it would be stronger than an epoxy alone.

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