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How to clean Polaris Exhuast valves

Snowmobile How-To's

 
 
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  #1  
Old 12-11-2008
Badwar
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Default How to clean Polaris Exhuast valves

As the title says, I know you remove the 2 bolts(horizontal) but were to I go from there. Always had the dealer do it in the past, cant be to difficult.

So those that have done it, help me out here. Thanks Badwar.
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  #2  
Old 12-11-2008
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yeah, there are two bolts that hold them to the cylinder. remove them two bolts and remove the assembly.

if the slide is coated in carbon you can soak them in gas or diesel fuel overnight, or some oven cleaner. then with a soft wood scraper or towel wipe them clean, do not use anything abrassive like wire wheel, emery cloth......
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  #3  
Old 12-12-2008
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Don't forget to check your Bellows while you have the valves off!
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  #4  
Old 12-12-2008
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And what are the Bellows??
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  #5  
Old 12-12-2008
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The rubber accordian-like thing that you see when you pull the covers off. Make sure there are no tears or cracks in the rubber.
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  #6  
Old 12-12-2008
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Once the valves are cleaned you will also want to check that the they are operating correctly outside of the sled. Press the valve back into the valve assembly and then place your thumb over the hole in the valve cap. The valve should come out a bit and then hold its position. If it drops all the way out, the bellows will have a pinhole or rip in it and they will need to be replaced.

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  #7  
Old 12-12-2008
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Before putting the valve back into the sled you need to check that the passage from the cylinder to the bellows is not blocked. Turn your clutches so the piston is at bottom, dead center. Place a small airgun on the passage and try to blow air through it. If no air goes through, you'll need to poke a small piece of wire in through the passage to clear it.

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  #8  
Old 12-12-2008
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Thanks for all the tips guys. You are good for something besides picking on Dirty Harry.
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  #9  
Old 12-12-2008
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You'd be surprised with the amount of knowledge held on this sight, you just have to ask for it.
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  #10  
Old 12-12-2008
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Quote:
Originally Posted by Powersledder View Post
You'd be surprised with the amount of knowledge held on this sight, you just have to ask for it.
Thats the truth. If you have a Polaris question, there is always a good answer on this site.
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  #11  
Old 12-12-2008
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that's cause we all have different poo engines ;)
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Old 12-12-2008
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Quote:
Originally Posted by Dirty_Harry View Post
Thats the truth. If you have a Polaris question, there is always a good answer on this site.
Unless it from you!!
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  #13  
Old 12-13-2008
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OUCH... BURN HARRY

I would be careful Badwar, Harry's had some good practice.
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  #14  
Old 12-13-2008
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Harry knows nothing about tuning the sleds. Just information about them.
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This forum is cheaper.
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  #15  
Old 12-13-2008
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And you want to build one from the ground up. Oh boy. LOL
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