Quantcast
Jump to content

  • Do you own an ATV? Join our Forum!

    As a member, you can post in our forums, upload your photos and videos, use and contribute to our downloads, create your own member page, add your ATV events, and even start your own ATV club to host your own club forum and gallery.  Registration is fast and you can even login with social network accounts to sync your profiles and content.

james p

2000 polaris magnum 500 spark problem

Recommended Posts

Hey all new member so I'm sorry if this isn't the correct place to post, but I'm having trouble with a 2000 polaris magnum 500 I just acquired. The quad ran when I got it but was having problems that sounded like the camshaft, and sure enough camshaft lobe was pretty much gone, so we replaced the camshaft and exhaust rockers and now the quad doesnt have spark. We had the quad running right before we tore the old camshaft out and now no spark. Anybody else ever have a problem similar? We've been checking for loose wires, checked grounds, and double checked timing but cant get it figured out so any advice would be appreciated! Thanks 

Share this post


Link to post
Share on other sites


Hey all new member so I'm sorry if this isn't the correct place to post, but I'm having trouble with a 2000 polaris magnum 500 I just acquired. The quad ran when I got it but was having problems that sounded like the camshaft, and sure enough camshaft lobe was pretty much gone, so we replaced the camshaft and exhaust rockers and now the quad doesnt have spark. We had the quad running right before we tore the old camshaft out and now no spark. Anybody else ever have a problem similar? We've been checking for loose wires, checked grounds, and double checked timing but cant get it figured out so any advice would be appreciated! Thanks 

Share this post


Link to post
Share on other sites

Hay James welcome to Quadcrazy. My guess would be that something is not connected the right way. Maybe one of the prongs on a plug has slipped out of the back, possibly a bad connection someplace. Maybe a plug is not connected etc. Check all fuses and grounds as well.

You can start by double checking the obvious suspects just to be sure nothing burnt up. Stator coil tests, secondary coil tests and regulator coil tests.   

Is it possible that the battery was connected the wrong way for a split second ? 

Have you double checked the ignition switch and kill switch are ok ? If you disconnected the battery prior to the work then there should be no problem.  If something got shorted out then it’s good to be a process of elimination. 

  • Like 1

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.


  • Similar Topics

    • By quadcrazy
      Do any mods to your atv? Let's hear about it!!!
    • By HeWasRidinDirty
      I had to adjust the valves on this 500 (and  few other things) and I'm trying to get the cam timing right, and something is really out-of-whack here. It seems anyway. When I line up the dots like the service manual describes, the lobes on the 2 cams are in almost in the same position. According to the manual (and a youtube vid or 2) the lobes should be at aproximatley 10 oclock on the int and 2 oclock on the exhaust. These are nowhere near that. There must be a woodruff type key on the sprockets. I wonder if those are sheared off? Thanks for any input! 


    • By bren7176
      So honed out the cylinder and got most of it nice nice but left with this .. Might just have to have the things bored out now ..... some before and after..pics.
      1995 Polaris Sportsman 400 4x4 
       
       

       
       
      have to have the things bored out now ..... some before and after..pics..









    • By David Miller
      Does anyone know how to access the check engine codes on a 2018 450 sportsman. Just changed battery and spark plug . It runs fine but the light is on and I need this to plow snow and need it reliable. Any ideas . Thanks
    • By bren7176
      What would be the compression on a 1995 Polaris sportsman 400 4x4  ?? Have one in great shape plastic is almost like new and the engine only has 90 psi which I figure is Capulet ...
       
      brendan 
  • Similar Tagged Content

    • By Joseph Miller
      Hi guys im new here and ive been doing alot of research on my polaris predator i was wondering if anyone on here has wired a different cdi up on there quad? Not a direct replacement that would simply just plug in. I know my white an w/red wires go to my pulsar my green an blue go to my reverse coil but im unsure which is + and which is ground also brown/w is a ground correct? What about purple? Black goes to my kill switch and red is my 12v supply........then ive got yelloww/red , yellow / yellow that goes to my rectifier..........any input on this subject is greatly appreciated thank you all
    • By Dwight Williams
      Hey everyone, I've been scratching my head over this for most of the day.  I bought a couple of Bayou 220's, got them running (they've both been sitting), and started tweaking and fixing small things.  One of them is mostly done, the other had an aftermarket carb on it and I've been trying to sort that out.
       
      Anyway, while adjusting the carb it died a few times, I restarted and moved on until it died and wouldn't restart.  I figured maybe I'd flooded it or something - after further attempts I realized I had no spark.  Since I have two identical machines I have many parts at my disposal.  I've swapped the CDI, spark plug and coil with no luck.  I have good resistance readings from the stator and pick up (135 and 110 respectively),  I don't have a peak voltage meter but I measure around 53VAC on the stator when cranking.  I have a 4 wire stator, not an alternator like the newer ones.  Grounds look good, I've checked the kill switch by verifying that it and the ignition switch grounds the black/yellow wire to the CDI.  I can turn the engine slowly and see the pickup short the meter as well, seems normal right?  So far everything I've checked looks the same on both machines.  I've got the service manual and wiring diagrams.  Do these readings make any sense?  I'm obviously missing something but I'm stumped.  thanks!
    • By Christian Brindle
      I have a 2000 Polaris Sportsman 500. The Speedometer got water inside of it and it sat for a long time. So now that speedometer is trashed to say the least and i need to find a replacement. I don't want to put up the cash for an oem one so i was wondering if anyone knew any good speedometers out there i could use. I've found many speedometers i like but don't know how i'd wire it up without the same connection points. Thanks, any input is appreciated
    • By Christian Brindle
      I've already posted here once about this ATV. Lots of people suggested i check the cam and after a couple months i finally got around to attacking it. I got it all apart and got the cam/rockers out. I'm almost positive they need to be replaced, they're pretty scored up and don't look too hot. Just wanted some final opinions before i drop the money on it. I'll also take feedback on the new cam i've chosen.
      Old Cam: 
      New Cam: https://www.amazon.com/hz/wishlist/ls/2GM2J05FQQPCD?ref_=wl_share
      Old Forum: 
       
       
      Thank You.
    • By davefrombc
      View File 1999 Polaris Magnum 500 Wiring Diagram
      Wiring diagram for 1999 Polaris 500Magnum
      Submitter davefrombc Submitted 09/08/2019 Category Polaris ATV  
  • Recently Browsing   0 members

    No registered users viewing this page.


×
×
  • Create New...