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03-15-2016, 09:06 PM
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K301 engine oil rings
My cub cadet 127 has a k301a engine in and has been using some oil the last few years, and I decided to put new rings in and check it for wear and bore it if needed. I noticed a couple things when taking apart the head and removing the piston. 1. There was alot of carbon built up around the exhaust valve, it was de-carboned 3 years ago. 2. The piston is STD and the top and second ring gaps were lined up on one side of the piston. Ring end gap for top and second measure .082 and .040. The oil rings seem loose and have .035 clearance around them to the bore. Is this how the oil ring setup is supposed to be or do the oil rings suppose to have the same end gap .01 to .02? Should they compress when installed in the bore? Thank you for any help someone can provide.
DSC04801.jpg DSC04803.JPG
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Steven __________________________________________ 127 NF, spring assist, 36" IH Danco BB-36 snowthrower, 42" mower deck. CW-36 snowthrower, 42" NF blade. QA42A blower, 126,127,149,1720. 
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