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mr1 rpm fluctuation

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    RPM high speed fluctuation SR230 2003

    My SR230 2003 255 hours MR1 port engine dont get full rpm, ECU? Cylinder #2 spark plug gets ”black”, and have been fluctuating before, now it is more steady bad. The oil level is a bit high, in both engines, so I dont think that is the problem. The oil looks good, only pure oil and no smell of...
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    05 SX230 - low oil, cranking no start, fluctuating rpms

    I purchased an 05 sx230 from a local dealer with the port mr1 engine being fully rebuilt. Comes with 1yr warranty. I broke it in and it ran great for a while. I then started getting low oil pressure light a few times. I would add a bit of oil every time and have now added almost a quart in the...
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