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  1. #1

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    92 95 sl 650 cdi work? ok real prob.

    will a 92 cdi out of a 650 sl work in a 95 650sl if I change out wire end to go on the board. ok real problem is 95 has new engine now. It will idle but wont rev up. It backfires and dies when u hit gas. Almost certain it is the cdi. engine came with stator. added triple fuel pump. cleaned set carbs to factory specs. trimed plug wires. even ohm checked stator, tested good. I tried they 92 cdi same problem. checked woodref key(good) thinking they might have messed up. anything anyone can help guide me to the water. lol. o yeah awesome site ive learned alot on here with my other skies. just a little lost with my polaris


  2. #2
    BlueFishCrisis's Avatar
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    Was the stator recently replaced? Is it properly aligned with the cases? Generally, the 95 CDI is a Digital model while the 92 is analog. They are not compatible. I believe someone had tested the ability to interchange the types, and got the motor to fire (as it sounds like you did), but do not know how long the two will last working together. If both CDIs net the same poor running results, I wouldn't be looking at the CDI for issues......

    Crank Index being out of phase can cause running issues as well. Check that while you are at it as well as a compression test.

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  4. #3
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    I'm pretty sure all of the 650 ignitions were analog. The 750s and 780s were digital. Backfiring can be an issue with reed valves. Check those.

  5. #4
    BlueFishCrisis's Avatar
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    Quote Originally Posted by BryanP View Post
    I'm pretty sure all of the 650 ignitions were analog.
    Really? I thought it was a model year thing, not the engine type. Good to know. Thanks!

  6. #5

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    Even did crandex index (good). remember its a new engine. I saw around on here 92 is analog and 95 is digital. I got it to crank but same issue. Is the difference between analog and digital just making that one wire connect to electric board?

  7. #6
    BlueFishCrisis's Avatar
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    I would defer to BryanP with respect to the CDI Digital/analog, unless someone has a more definitive answer...... Didn't see if you answered my first question about stator alignment.....

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  9. #7

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    yes stator is alighned. sent BryanP a mess. maybe he will jump in soon too. Thanks for helping

  10. #8
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    I too believe all 650s are analog signal.

    Smoke, check your PM.

    Need to know what elec stator and flywheel are also installed.

    And FYI: the 92 CDI has 24* of timing while the 95 has 18* so tuning might be needed.

  11. #9

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    PM? learning . Hooked up the 92 cdi to 95 and still have same prob. flywheel and stator came with motor.

  12. #10
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    Personal Message. You know, how you contacted me through the forum?

    Need to know what stator and flywheel are installed.

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