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2000 polaris magnum 500 spark problem

james p

By james p
in Polaris ATV Forum

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james p Newbie

james p

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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 

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james p Newbie

james p

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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 

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Frank Angerano Grand Master

Frank Angerano

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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. 

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