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cdi box

  1. Polaris Sportsman
    I’ve got an 04 sportsman 500ho( ebs idk if that matters ) Basically I trail ride with it and I’ll go up steep hills in high gear usually around 15-20mph on the way up and somtimes I’ll be going up and it will start spiting and sputtering and loose almost all power I’m pretty sure it’s spark...
  2. ATV Repair and Maintenance
    Hi all. I have a '95 Polaris 300 4x4. I had to swap out the CDI unit because I fried it installing a new ignition switch (had wiring backwards). When I was messing with the ignition switch, I am pretty sure i fried the CDI unit because once I finally had the switch wired correctly, i couldn't...
  3. ATV Repair and Maintenance
    I have an '03 Magnum 330 and the CDI box burned up, which I now know is a common issue with this CDI box. Problem is they are not cheap, $250. A '02 Magnum 325 CDI box is the same physical size, has the same connection and is 200 bucks cheaper ... but is a different part number. Can the 325...
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