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    • I would check the primary and secondary resistances of the new coil , I have had them bad right out of the box. I would check to make sure im getting a good ground and good power to the CDI , make sure you are getting a good 12v to the coil, make sure your frame and engine ground are good, this may be extreme , but before I start buying expensive parts, I would take the side cover off and inspect the stator and pulser coil for trash or debris or anything out of the ordinary, loose bolts crimped wires etc.  I know you have probably done all these things, im just going over a list of what I would check and double check.
    • Im sure the bearings will be fine, I actually have been impressed with the quality of some of the aftermarket parts I have purchased, I am also trying to bring a 2000 ATV back to life on a budget, I would have bought them also at that price, but as KP said be sure and mic them and compare against the old to make sure they fit correctly.
    • If the spark plug cap comes off the lead try taking that off and checking the spark. The cap might have too much resistance or a short. Also have a look at night and you might see sparks running along a rubber boot or across the coil to earth.. If you have a timing light, connect it up but put a screwdriver through the pickup, then use the screwdriver as a probe looking for leaking voltage.. It'll make the timing light flash if there's an HT leak..
    • Just a note new plugs can be bad right out of box I had an old mustang once put new plugs in and wouldn't crank up. Chkd plugs and out of 8 brand new plugs only 2 was firing.something to ponder hope you the best.
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