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piston rings stuck!


SD1026
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I have been having trouble getting my banshee to start after it has sat in my garage for two years. everything is clean and clear still wouldn't start. I then did a compression test and had some really off readings. my banshees compression was a healthy 160 when I put it away two years ago . last night it showed me 90 in the left and 65 in the right which I have learned the piston rings are most likely stuck.  has anyone tackled tis issue w/o breaking down the motor??? any ideas or advice?

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I would roll the motor over so its at TDC then pour or spray some sea foam down in to the cylinders and let it sit over night. Probably take a couple days since you can only do one side at a time. That way the sea foam has time to work. If you ran an oil that contains caster oil it probably dried out and got gummy.

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I think if it was me I'd put some 2 stroke oil in the cylinders and test the compression agin. May have just dried out over the 2 years. If you get good compression get it running the rings will probably free up from the compression, heat, new oil and gas. Retest compressions and do a leak down test to make sure the seal and gaskets are good.

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broke down the motor and there it was stuck piston rings ,head was clogged solid from the anti freeze . I will try to post pics its un real. I have the pistons soaking in orange citrus cleaner hopefully it softens the carbon enough to release the rings.

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