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  1. #1

    Different CDI Part Number In Update Kit, will it work?

    OK,
    1996 sltx1050
    I have a brand new update kit I got from my Brother.
    The parts list for kit 2873091 (96-98 triple) says the cdi module should be 4010447.

    The cdi module is stamped with 4010379. This module is for 2000+ Polaris.

    Will it work in my 96?

    Thanks!!


  2. #2
    Click avatar for tech links/info, donation request K447's Avatar
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    You sure it came like that from Polaris?

    Sounds like Polaris may be getting low on Update Kit CDIs, or they forgot to change the part number when they re-programmed the CDI

    Is there another number hand written on the CDI?

  3. #3
    Quote Originally Posted by K447 View Post
    Is there another number hand written on the CDI?
    Yes
    The correct part number is written in white ink on the back.

  4. #4
    SPEED KILLS, BUT YOU GET THERE QUICKER Keddano's Avatar
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    Oh what we learned this last weekend. Long story short,Polaris changed flywheel for a short run(10* fast start),then made CDI's to match them,then went back to the older style flywheels,and had to re-programmed all the ones they made for the short run ones one at a time by hand.

    Did I state that right Keith?

  5. #5
    Click avatar for tech links/info, donation request K447's Avatar
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    Arrow Polaris 10-degree advanced 4010569 flywheel vs. regular 4010189 flywheel, CDI engines

    Quote Originally Posted by Keddano View Post
    Oh what we learned this last weekend.

    Long story short, Polaris changed flywheel for a short run (10* fast start), then made CDI's to match them, then went back to the older style flywheels, and had to re-program all the ones they made for the short run ones one at a time by hand.

    Did I state that right...?
    Man, trying to remember everything I learned this weekend...

    If I have this right, the Polaris 'High-Start' 4010569 flywheel had the magnet locations (or the woodruff keyway? ) shifted during manufacture, providing 10 degrees more ignition timing advance than the regular 4010189 flywheel.

    This provides 10 degrees more 'headroom' when programming aggressive timing advance curves into the CDI.

    The CDI that are matched to the 4010569 flywheels have the stock CDI timing curves retarded by 10 degrees, compared to a CDI meant for the regular 4010189 flywheel.

    If you use a 4010569 'High Start' flywheel with a CDI meant for the regular 4010189 flywheel, the ignition timing will be advanced 10 degrees more than normal, across the entire RPM range.

    Conversely, if you use a 4010189 flywheel with a CDI meant for the 4010569 flywheel, the effective ignition timing will be retarded by 10 degrees.

    Polaris ordered production CDI from PVL with the timing adjusted to match the 4010569 flywheel, for the various engine models.

    Apparently Polaris had planned to use the advanced timing flywheel on all production PWC engines, starting in 2002.

    After the 2002+ CDI were produced (to match the new flywheel), Polaris decided they wanted to make use of the existing inventory of 'regular' flywheels, so for some models, the CDI were re-programmed by hand. These re-programmed CDI bear the hand written CDI part number.

    I suspect a similar story applies to the hand marked Update Ignition Kit CDI, which have a different part number marked by hand, reflecting a different ignition timing curve inside.

    4010569 'High start timing' flywheel (and matching High Start CDI) was stock on these models/years
    2004 VIRAGE
    2004 FREEDOM
    2003 VIRAGE
    2003 FREEDOM
    2002 GENESIS
    2002 VIRAGE
    2002 VIRAGE TX
    2002 FREEDOM
    2002 OCTANE

    According to the Polaris Industries parts cross reference, only the 2003-2004 Octane used the old-style 4010189 flywheel after 2001. I suspect there may be other 2002-2004 models that also used the old 4010189 flywheel (and CDI programmed or re-programmed to match), but I don't have any info on that.

    4010189 'regular start timing' was the stock flywheel on all Gen III PVL ignitions from 1999-2001;
    2004 OCTANE
    2003 OCTANE
    2001 SLH
    2001 SLX
    2001 PRO 1200
    2001 GENESIS
    2001 VIRAGE
    2001 VIRAGE TX
    2000 SLH
    2000 SLX
    2000 PRO 1200
    2000 GENESIS
    2000 VIRAGE
    2000 VIRAGE TX
    1999 SLTX-B
    1999 GENESIS

    Edit: It has been suggested that a mis-match between high start flywheel or CDI and a regular start CDI or flywheel can be compensated by manually adjusting the flywheel timing ring forward or backwards by ten degrees.

    I have not tried this. If you do, be sure to carefully check the resulting timing with a timing light at the proper RPM to verify the actual ignition timing is within specification for your engine.
    Last edited by K447; 06-07-2011 at 11:17 AM. Reason: Added info about possible manual adjustment of timing ring

  6. #6
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by Jetski_guy View Post
    Yes
    The correct part number is written in white ink on the back.
    Then it should work just fine.

  7. #7
    Great!
    Thanks for all the info

  8. #8
    SPEED KILLS, BUT YOU GET THERE QUICKER Keddano's Avatar
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    Yea,sounds right....I think...........No, It should be fine and work....my brain still hurts,or still hung over

    That should be stickied
    Quote Originally Posted by K447 View Post
    Man, trying to remember everything I learned this weekend...

    If I have this right, the Polaris 4010569 flywheel had the magnet locations (or the woodruff keyway? ) shifted during manufacture, providing 10 degrees more ignition timing advance than the regular 4010189 flywheel.

    This provides 10 degrees more 'headroom' when programming aggressive timing advance curves into the CDI.

    The CDI that are matched to the 4010569 flywheels have the stock CDI timing curves retarded by 10 degrees, compared to a CDI meant for the regular 4010189 flywheel.

    If you use a 4010569 'High Start' flywheel with a CDI meant for the regular 4010189 flywheel, the ignition timing will be advanced 10 degrees more than normal, across the entire RPM range.

    Conversely, if you use a 4010189 flywheel with a CDI meant for the 4010569 flywheel, the effective ignition timing will be retarded by 10 degrees.

    Polaris ordered production CDI from PVL with the timing adjusted to match the 4010569 flywheel, for the various engine models.

    Apparently Polaris has planned to use the advanced timing flywheel on all production PWC engines, starting in 2002.

    After the 2002 CDI were produced (to match the new flywheel), Polaris decided they wanted to make use of the existing inventory of 'regular' flywheels, so for some models, the CDI were re-programmed by hand. These re-programmed CDI bear the hand written CDI part number.

    I suspect a similar story applies to the hand marked Update Ignition Kit CDI, which have a different part number marked by hand, reflecting a different ignition timing curve inside.

    4010569 'High start timing' flywheel was stock on these models/years
    2004 VIRAGE
    2004 FREEDOM
    2003 VIRAGE
    2003 FREEDOM
    2002 GENESIS
    2002 VIRAGE
    2002 VIRAGE TX
    2002 FREEDOM
    2002 OCTANE

    According to the Polaris Industries parts cross reference, only the 2003-2004 Octane used the old-style 4010189 flywheel after 2001. I suspect there may be other 2002-2004 models that also used the old 4010189 flywheel (and CDI programmed to match), but I don't have any info on that.

    4010189 'regular start timing' was the stock flywheel on all Gen III PVL ignitions from 1999-2001;
    2004 OCTANE
    2003 OCTANE
    2001 SLH
    2001 SLX
    2001 PRO 1200
    2001 GENESIS
    2001 VIRAGE
    2001 VIRAGE TX
    2000 SLH
    2000 SLX
    2000 PRO 1200
    2000 GENESIS
    2000 VIRAGE
    2000 VIRAGE TX
    1999 SLTX-B
    1999 GENESIS

  9. #9
    Moderator beerdart's Avatar
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    Added to the FAQ's

  10. #10
    Do you know where i can get a update kit cdi for my 1994 sl750. Thanks

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