1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

General 12a Question

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Old 11-25-03, 04:15 PM
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General 12a Question

My car has 109k miles on it, the guy i bought it from said he didnt do any thing to the car (repairs ect.) he siad he put about 2k miles on it ,
and that he was the 2nd owner. my question is; is it possible for a 12a with 109k miles on it to not leak at all? i look at the oil and its the same color as it was when i put it in about 1500 miles ago...
does this mean it could have been rebuilt or do rotarys just wear good when taken care of
Old 11-25-03, 04:28 PM
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Yeah, 109k miles isn't bad if it's been even semi-well taken care of.

You may or may not know that rotary engines *purposefully* burn oil. They're designed to inject small amounts of oil in with the air and gas to lubricate the apex seals. The oil level will go down a bit, but the colour won't change fast.

I say change it every 4000km, can't remember how many miles that is.

It probably just has worn well over the years consider yourself lucky. Get a compression check done by a mazda dealer or local rotary shop if you can, just to verify.

Jon
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