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post #12 of Old 09-20-2012
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Re: Universal M25 losing power

Don't know what the Mfr specs are but I think 10lbs of oil pressure at that RPM may be on the low side? Maybe try a mechanical gage? If it is still that low maybe a weak pressure relief valve or maybe the bearings are a bit on the loose side, or a tired oil pump? Proper viscosity oil? Are you running synthetic oil?

Paul T
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