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    New Liberty 800-Willie Please read

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    • Member since
      October 2005
    New Liberty 800-Willie Please read
    Posted by jonezin2ride on Tuesday, March 9, 2010 10:42 AM

    I just read that Polaris is making the 2011 800s into 2 injector motors.  Do you think Polaris will help us 09-10 800 CFI-4 owners update/fix our poor running sleds? 

    • Member since
      July 2005
    • From: Canada
    Posted by willie on Wednesday, March 10, 2010 9:19 AM

    I don't have any confirmation that hte 2011 800 will be a 2+2 or 2 injector CFI system.  And if they are, don't think Polaris will retrofit that on the 09-10 sleds.  It's almos impossible. (new crankcase, new ECU, new stator, new wiring...)

    Poor running seds?  You can run a PC5, it will solve all your problem when you find a good PC5 setup.  But I would say that 50% of the 09-2010 800 are running well (poor top speed because it's to rich on top)  but the mid range is pretty good.   40 % of the other have a little (very little) hesitation at mid range and 20% have a big hesitation at mid range.

    Don't tell me that you don't want to sped 300-400$ for a PC5 because you already spent over 10 000$ on a new sled and it should be ok direct from the factory. I agree with that.  Instead of spending money on windshield, track and clutch kit... spend it on a pc5.  You will love your sled after that.

    Polaris parts and service manager JG Busque inc. Saint-Georges, QC Canada
    • Member since
      October 2005
    Posted by jonezin2ride on Thursday, March 11, 2010 1:03 PM

    Good to hear about the PCV.  I will pony up for one for my 09 Switchback 800.  Thanks Willie.

    • Member since
      February 2011
    Posted by trail breaker on Saturday, April 17, 2010 7:03 AM

    I just tore down my 09 800 with 500 miles to find that the pistons are scored, We put a bore gauge in cylinder found there was .009 thou  clearance. the pistons looked wore bad, compared to a set of pistons I took out of a 700 with 6000 miles. does any one know why polaris was changing cylinders on some and not on others. I think my cylinders were made to big. will have to get a new set of pistons and check the clearence on them. some one said they are rich on top , mine look like a chunk of coal no wash at all. I hope polaris stands behind these and gets them running right, they are a nice ride, just tired of folling tail lights all the time, cant even beat f-6's.

    • Member since
      July 2005
    • From: Canada
    Posted by willie on Tuesday, April 27, 2010 10:42 AM

    We had a specific procedure when we intalled the new head-pistons on the 800 2008-2009.   We had to hone the cylinder and check for clearance.  If the clearance were within the spec, we were using the same cylinder.  If the cylinder was out of spec, or was to damage to be rebuilt, we were changing it.  May be your dealer didn't do the job properly... who know.  Around here, I have around 10 D8 2009 that we rebuilt and we have customers over 5000 miles without any engine problems.  By the way, Polaris just release a new reflash for those sled (0-3000 feet).  Around here, 50% of the customer we having little little little hesitation at mid range and 50% were perfect.  This reflash is to solve this problem on all sleds.  for the customers around here who were having mid range little hesitation, as soon as they were runing over 1000 feet elevation, the problem was gone.

    Polaris parts and service manager JG Busque inc. Saint-Georges, QC Canada
    • Member since
      January 2009
    Posted by triplethreat on Saturday, May 15, 2010 9:05 PM

    10??? thats hardly any how many sleds do you actually sell the dealers around here had rebuilt at least 50 plus engines each, and still waiting for parts.  FYI

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