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  1. #1
    EluderRacing's Avatar
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    Are polaris CDI boxes repairable or reprogramable??????

    well this is my second post it looks like the super cheap LR-505 isn't bad and of course the part that looks almost the same yet is $300.00 is bad the CDI box. my question is what exactly goes bad on these I see no burnt wires not damage of any sort and I noticed mine has a communication port on it like a old computer monitor. is there any chance that the files on these boxes IE the firmware etc... may be corrupt or damaged in some way does anyone on here know if they can be scanned in some way to see what is actually bad. I have to believe that port is for more then just setting the timming. and that there is a scanning that can be done by the dealers or does anyone on here have a diagnostic program they developed to check these things out.


  2. #2
    Click avatar for tech links/info, donation request K447's Avatar
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    Very few people have the software that programs these CDI. The protocol seems quite rudimentary. I would be surprised if any useful diagnostics are possible via that port.

    The best check for a bad CDI is to try a known good CDI.

  3. #3
    EluderRacing's Avatar
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    thanks for the fast reply do you sell parts? I am open to purchasing a used CDI box I have a 2001 virage 700 carbureted version

  4. #4

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    What part number

  5. #5
    EluderRacing's Avatar
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    threw this site it looks like I need 4010803 I guess that is the most current CDI box that will fit my ski. I don't know my actual CDI box# I haven't pulled it.

  6. #6

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    Make sure your cdi is correct and matches your flywheel. Some models had different versions. You can not miss match them.

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