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Piston rings

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DavidZ1R
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Piston rings

#1 PostAuthor: DavidZ1R » Tue Feb 07, 2017 5:11 pm

Hi guys, anyone know how to release the piston rings from their grooves, I have number 1 piston the the top two rings are stuck fast, cannot even get a feeler gauge in the groove, is there owt I could soak them in or any other method. Cheers.
CB125 GT380 CB750F1 Z1R GPZ 750 Turbo Z1R

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PAULJAC47
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#2 PostAuthor: PAULJAC47 » Tue Feb 07, 2017 5:17 pm

Hi David,Sounds like you are having a bit of fun with this build,are the rings scrap and pistons out of engine.If so Red x might be worth a go,its supposed to free off gummed up rings.. if still in engine try rags soaked in the stuff,Good luck Paul J
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z1bman
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#3 PostAuthor: z1bman » Tue Feb 07, 2017 5:19 pm

put the piston in a saucepan of hot water & boil it on the stove

DavidZ1R
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#4 PostAuthor: DavidZ1R » Tue Feb 07, 2017 5:48 pm

Yes this rebuild is anything but straight forward, strange that only one piston is gummed up, will try the boiling water first, other than that the pistons and bores look okay but will take them to our local engine tecniks guy.
CB125 GT380 CB750F1 Z1R GPZ 750 Turbo Z1R


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