Powered by Invision Community. The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Maybe test some devices like thepick up coil for starters. Keep calm and it will get sorted out. There is a spec limit on that. Some problems are more in-depth then others. Would like to know if this is cdi related. and more. And sure will never forget about it now. 
no change as motor warms up. had the same problem. Hope this helps, I could have saved a lot of money and time if he would have stopped over for a beer sooner lol. does it get better or worse as the motor gets warmer? We then disconnected the ignition switch and still no spark. Good fuel flow. Come join the discussion about performance, racing, troubleshooting, trails, maintenance, riding tips, modifications, classifieds, gear, and more! Sometimes the spark breaks down after the engine is hotor in your case maybe its happeningright away. Your going to feel like your spinningyour wheels and it gets frustrating. I have a 2018 Polaris Sportsman 570 EPS UTE, that when idling for a few minutes after being warm will just shut off. Sometimes get puff of smoke out of carb when clicking starter. I just replaced CDI and stator from a used ATV through a shop and I would hate for one of those to be bad. Pops and backfires at 1/2 throttle and above. Some times eng kicks back when trying to start. You cannot paste images directly. He took the carb out and drilled out the brass plug for a needed that was underneath of it. I believe it was the gap between the pick up coil and flywheel. Working on 2002 700 sportsman in shop. Display as a link instead, Share your ATV photos, videos, ATV rides, get help with your ATV Gave you cranking voltages of charge and pickup coils in first post. Note: Your post will require moderator approval before it will be visible. Had flywheel off to check for damage, (loose magnets, Burnt coils) looks good. This will at least put the coils in spec. And then try to tell someone to drill out the carburetor??? We pulled the plugs and there is no spark. Is was a hair to far from the flywheel and on higher rpms is started to act upcausing this problem. I had the exact same problem with mine. Checked stator output with DVA. JavaScript is disabled. Not a member? I looked at my harness from the stator and there is 2) 3 prong plugs and I have a rectangle plug with 4 wires (some are multiple wires going to each spade). When I am riding I have to sometimes give it more throttle just to keep it going. As well as trace them to be sure theyare disconnected. What would I look for if cam or lifters were bad. Or timing ? Sometimeson the polaris bikes the rev limiter starts acting up. You may have to take a look at your valves and rocker armsetc. I had that problem on the old Jag. ATV is under warranty so I can get the parts but dealer appointments are a month out. All first posters will have to wait to have their content reviewed and approved.
This issue is driving me crazy. Handlebars. Polaris updated that ign system in 2004 or 05. Clear editor. Glad to have found this place. I umpluged black wire to handlebars eliminating all switches up there. Only reason Im pushing this theory is it happened to my bike and solved the problem. It ran like it was new. New plugs, old ones looked ok. Made no difference. I was reading a couple of posts about the CDI but was hoping it was the regulator is there a chance? Hi, new here, have an 02 quest 650 xt. At a loss. Went thru carb with fine tooth comb. I own a few older quads mix of kinds a couple of Yamahas, a Honda, can-am a Kawasaki, they are older quads but in good shape the question of the day is. what's the best way to polish up the plastic? Carb is clean. View File A forum community dedicated to snowmobile owners and enthusiasts. To gain immediate approval and a NO ADS experience, consider subsribing to our Premium Membership. By It was a while ago but should still be in the topics section of that forum. Paste as plain text instead, replace it. Lisle 20610 Inline Spark Tester https://www.amazon.com/dp/B0002STSC6/ref=cm_sw_r_cp_api_i_ebj1CbF42SW39, Have that spark tester. timing is about 9 degrees at idle. You can post now and register later. Im sure it has to do with some dumb law but hey at least they make it so you can drill it out. don't think rev limiter is in handlebars. 6v on pulser. Book says 8. Pasted as rich text. What do you know about cdi box with built in coils? RPMs at idle are around 1250-1300 but if I rev it and let the RPMs drop back down it will either stop around 1250-1300 or it will just shut off. Also thestator coilmaybe do an ohms test as well look at the secondary ignition coil. That would be throttle safety switch. Try to separate the wires and see if that clears things up. sounds to me like a badly adjusted carb. The back fire and puff of smoke out of the carb all though sounds like a timing thing but I guess it cant hurt to have a look at the top end to make sure its all proper and valves are opening and closing the right way. Its like finding a hidden door! Did you check the gap on the pick up coil ? For giggles I took it out and plugged it into another machine and read the voltage and it was showing .45v. While is backfiring etc separate the contacts on the throttle control and see if it clears. He said it had something to do with CA laws. According to the manual it says that it should be about .46v +- .003 and mine is running at .38. Tom Walters, ^^^ yeas, check that TSS on the throttle. Most people dont know that the screw even exists. if it is stuck for any reason, it acts as a kill switch. Maybe @Ajmboyor @Admincanhelp us digit up? Could be the cdi but not my first choice. 250 bucks new. it was the pin between the throttle lever and the block. I remember a similar topic on this and it turned out to be a pick up coil that was the problem. If so open it up and you will findthe rev limiter.
Be a part of best online community of ATV riders and join thousands of people who Timing is on speck. To test the stator you have to test the resistance between the wires. https://www.amazon.com/dp/B0002STSC6/ref=cm_sw_r_cp_api_i_ebj1CbF42SW39, 2003 Polaris sportsman 500 HO not charging battery, 1982-83 Honda ATC 200E Big Red Shop Manual, 2018 Polaris Sportsman 570 EPS UTE - Shuts off. Does anyone have any other ideas of what to look for? Process of elimination. One of the error codes that showed up was 636 - CPS (Crankshaft Position Sensor) might be faulty. Good luck brother and ride safe. Engine has no power. 19v on charge coil. Switch is not problem. I would do some testing first. Copyright 2022 QUADCRAZY I have replaced the spark plug, fuel pump (28-32PSI was the reason), cleaned out the exhaust for carbon build up (which there was none), replaced the battery, etc. So on this ATV the batteries keep dying to the point it won't start I'm on my 2nd battery this week it took me until this one to figure out that my ATV isn't charging it's on 12.75 volts when sitting in the ATV and it doesn't go up when being revved what are the chances it could be the rectifier/regulator vs the stator or CDI. I would not be surprised if its the same thing. I read that you gavethe cranking voltages on the first post. Lol we have had this discussion before and theres so many more times this will probably come up again. Or do what I did. May 9, 2019 in Polaris ATV Forum. I knowwe are talking about electrical items are you sure its not a foiled plug or a fuel rich condition happening ? We tried disconnecting the kill switch and put a jumper wire. There were no signs of any issues. There is a tool to see if the spark is breaking down while the bikes running. If you have an account, sign in now to post with your account. Its possible somethingsgoing on in there. The throttle have wires going into it? Your link has been automatically embedded. I replace the cdi and changed it over from DC to ac using a conversion kit I got from a shop in Canada but still had the same problem. Double check that its not a separate set of wiresin the handle bar. A friend came over one day and we got to talking about it and he was like can I take a look, sure why not. Your previous content has been restored. This should also be done on the rectifier/regulator. We keep these forums clean and user friendly. Once your first post is approved, you will no longer need to got through an approval process. I ended up purchasing a Check Tech and connected it to the machine and looked up error codes from history. For a better experience, please enable JavaScript in your browser before proceeding. Upload or insert images from URL. Made an adjustment to it and put back in. love ATVs! No problems since, 70 mph, and felt like it even had a little more get up and go from a dead stop. Reconnecteverything and then openthe top cover on the throttle and runthe bike.
It was in the Polaris forum. Going to try different carb but think I am spinning my wheels. 1982-83 Honda ATC 200E Big Red Shop Manual. NOTcranking voltages.Ohms reading on the coils like a said in my last post. I never knew about it. but make sure its that first check kill switch, key, and the throttel kill. I guess just in case it ever found its way out there but I don't know for sure. Join QUADCRAZY ATV Forum today for FREE! I was riding the sled and all of a sudden, the sled stopped dead.