sambo13 Posted February 11, 2023 Report Share Posted February 11, 2023 I have a 2001 Yamaha banshee cylinders reboard and honed by LA sleeve waste cool pistons I am 7,200 ft above sea level and my compression shows 90 I read a couple people saying that that was normal at that elevation just trying to get some input I have a shop looking at it but they cannot look at it till the 16th trying to fix it before I have to take it in and pay for nothing Quote Link to comment Share on other sites More sharing options...
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