Ranger 500 LOW compression
#1
Ranger 500 LOW compression
Hi Guys a newbie here .I just purchased a2000 Polaris ranger 500 .It was running great then it started putting and stalling.Then It wouldnt start .Did a compression test and it only has 25 ilbs of pressure.Do you think I should go ahead a
nd take top end off .Prob piston rings?This a easy newbie job?Anyone have any advice ?I looked on you tube but couldn't find any vids on this.Thanks John
nd take top end off .Prob piston rings?This a easy newbie job?Anyone have any advice ?I looked on you tube but couldn't find any vids on this.Thanks John
#2
Check the exhaust cam lobe for any wear first. Common problem on a lot of 500 engines. Here's what to look for. Bad Cam Pic - ATVConnection.com ATV Enthusiast Community Plus average compression on the 500 is only between 55-90 psi on average because of the compression release built into the cam. Strange that the Ranger didn't get the HO cam(3085855) until the 2010 model. It used the old 3086212 cam that the Magnum 425 and early Sportsman 500 used.
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