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  #1  
Old 12-24-2008
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Can anyone tell me what the stock compression should be for my sled? It is a 700, FYI!

Last edited by Toddlemier : 12-24-2008 at 10:49 AM. Reason: Engine size
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  #2  
Old 12-24-2008
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if it's under 120... then rebuild.

it's hard to say what the exact numbers wil be. it should be in the 120-140 psi range.
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Old 12-24-2008
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NO, don't listen to that dip ship^^^^

The 03's are kind of fucked up when it comes to compression. If you have 110-120 psi or more then it's fine! The 03's came with a damn decompression hole that is in the cylinder. This makes it easier to pull over them monster twin's. The compression will be low untill the sled has started then the power valves block the hole to give the engine full compression. Kind of strange but that also explains why the 01 and 02's have 3-4 more Hp. You can send the jugs into SLP and they will plug the holes for about $30 per cylinder.
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Old 12-24-2008
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hey...when the damn hole plugs it will be back up in that range!
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  #5  
Old 12-24-2008
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That's not what he asked!!!! Eh!
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Old 12-24-2008
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technically yes... since it is the stock compression ya canadian douche!
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Old 12-26-2008
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Hey Hey Guys, kiss and make up, Its Christmas
How do they plug the holes anyways? Can you do it yourself
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  #8  
Old 12-26-2008
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i'm not going to kiss the canadian.... may catch something EH!
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  #9  
Old 12-27-2008
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Here's a link to what I'm talking about!

http://www.slp.cc/catalog.cfm?pageID...&productID=172


2003-05 Polaris models are equipped with a decompression hole. However, the exhaust valves do not completely seal the decompression hole as intended when in the open position. As a result, the motor bleeds off compression, reducing peak horsepower. At elevation, it can also allow the exhaust valves to close prematurely, resulting in loss of peak RPM and horsepower. Plugging the decompression holes eliminates compression bleed off problems and provides an additional 2 horsepower. Cylinders are needed for modification.
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