How Much Compression Should a Polaris 500 Have

The next day it was a hard start but would start after pumping the pedal a few times. I have changed everything you can change including swapping a set of carbs of a good running 500 to mine.

2001 Polaris Sportsman 500 Specs And Review Off Roading Pro

Joined Feb 17 2008.

. 1 - 9 of 9 Posts. See answer 1 Best Answer. Any suggestions would be great.

9 Feb 20 2008. Up to 25 cash back You should have 150 psi for engine compression Remove the spark plug add a squirt of oil into the cylinder if the compression psi comes up then you have worn piston rings If it stays the same then you have worn valves valve seats If you have a air compressor and have a cylinder leak down gauge connect it to the spark plug hole if you bring. I have a 2000 600 xc warm motor compression is at 125 psi with throttle wide open hope this helps.

Save Reply B batman2u Registered Joined Oct 1 2016 207 Posts 2 Oct 14 2017. I noticed a tear in my air filter after riding all day in a dusty area. Need some help on a 97 500.

1991 Polaris Indy 500 SP 40 Over Wiseco Piston Kit 155 PSI Cylinder Cold Torco SSO Synthetic Dont trust oil that isnt Officially certified EVER. Did a wet test on it with 4 ounces of oil poured into the cylinder after spark plug removed still no change. I was riding out of state and thought I might have some bad gas so I pumped out the fuel replaced filters and did an oil change.

The overall compression should be between 210 and 250 psi per cylinder. Yes this is high for a normal Fuji 500 motor. When it gets to less than 120 or has more than 5k miles on it a top end refresh is a good idea.

I have a 2014 Rzr 570 with 100 hours. 150 is the standard. My project first check compression and spark bad cranking next video we will take a look at the bad cranking and try to start it.

The sled has 11000. For a 250cc polaris trailboss or trailblazer. Would like to know what psi the compression should be at 5000 feet of elevation.

How much compression should a Polaris 500 have. 5 Oct 18 2012. You should start to worry if one of your cylinders is getting close to 100 psi.

How much compression should a Polaris 500 have. The overall compression should be between 210 and 250 psi per cylinder. Your sled should still.

Living in northern Peru there is no chance of a cold start but i noticed my 450 starter was becoming sluggish with more than 20000 miles on the engine. How much compression should a Polaris 500 have. New it should be around 140psi.

The thin steel gaskets were not used until only a few years ago. Any help here be great. Things that would make it appear that high are usually an inferrior compression gage.

After pulling the starter apart i found worn out brushes. Miles on it and still runs great. A good quality macmatcosnapon gage is usually best.

I believe 60 is the minimum on a cool 4 strokew throttle held wide openless than that and you start having issues. How much compression should a Polaris 800 Ranger have. Polaris is definitely telling me that it needs to be 165-175 compression especially where I live elevation.

You could have a thinner head gasket installed that would definitely make the compression that high. If you liked this like. Starting to think maybe it is the top end.

What compression should a snowmobile have. The overall compression should be between 210 and 250 psi per cylinder. Besides the camshaft missing the decompressor ball it was becoming a scary thought to get it started on a remote beach.

I cant get the sled to run right underr 3000 rpm. Your compression should be around 125-135 psi. Save Reply M MOTH Registered Joined Feb 4 2007 33 Posts 2 Mar 9 2007 If it has a stock head 155 seems high.

Is 120 psi enough compression. Joined Aug 29 2009. Someone I know told me a year or two ago the compression should be around 135.

2000 Polaris Sportsman 500 Specs And Review Off Roading Pro

Polaris Fuji Engines 400 500 Cyclepedia

How Much Compression Should I Have Polaris Atv Forum