Mazda RX8


Asked by Aug 31, 2016 at 01:29 PM about the 2005 Mazda RX-8 6-Speed

Question type: Maintenance & Repair

Why are people having some many problems with
the rotary engines?? & What can I do if I stll want a
Mazda RX8???

3 Answers


Learn how to fix rotary engines?


People forget these engines are a two stroke and they use oil from the crankcase to lube the seals, so they don't change the oil enough and next thing you know bye bye engine. Back in my hay days I used to race these little guys, they would take some incredible rpm's but the seals back then would only last about 4 wide open throttle runs, that was with the rpm's around 12K. The last rotary engine to come out of japan has a much better seal design and should run an easy 100000 miles without any engine concerns if properly maintained. These engine are not complex and once you have all the tools are easy to fix as long as you don't ruin any hardware. The largest drawback of the late models is all of the engine management controls, it can be a real nightmare diagnosing one, but there again you need the right tools. If you still wanting a rotary I would wait, Mazda is bring it back soon now that they have adapted it to the system they have and it is a totally different design, I am really looking forward to seeing and driving one.


I would say that there will probably be an owners club for these or lots of info about them online, saying what goes wrong and why, all I know is that you have to rev the engine prior to shutting off to lubricate the components ready for the next start. and that spark plugs are a nightmare!

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