Polaris sportsman 500 backfires through carb. I offered to try my hand at repairing it. Any ideas, I'm open to suggestions!! I've got a new exhaust seal on the way but don't think that's really the issue. backfire and pops then as this happens i can cycle ign switch and it run great for a few 2012 Polaris Sportsman HO 500 and backfiring out of the exhaust, dont know how long it sat but put 5-6 hours on it Thursday, Friday and Saturday and ran great till I parked it Saturday night. Your ATV can also backfire due to a faulty ignition due to spark plug or ignition coil issues. It will often let out a hellacious backfire while spinning over to start. What did you replace the carb with? If it is an Amazon or eBay carb throw it away and get the OEM carb properly rebuilt. Once it starts it runs fine, and sometimes it will start with no issues. It does have a slight hesitation what about timing?. Mechanic's Assistant chat Customer: I have a Polaris Sportsman 500 that is receiving fuel, and the spark plug has a good spark, but the engine won't start. So replaced crank sprocket, timing chain, rebuilt the tensioner. 2K views 19 replies 7 participants last post by LATEBURD HERE 2 HELP Apr 30, 2023 Key Takeaways Regularly inspect and maintain your Polaris Sportsman 500 to identify and address common problems early on, ensuring optimal performance and longevity. Now it backfires through exhaust and won't run. My 98 Sportsman 500 has an electrical problem. Explore our line of products from powersports to commercial, government & military vehicles. If i hit the override button it will rev a little higher before it starts cutting out. No real issues. Put it in time I recently purchased a 2002 Sportsman 500 HO 4x4 with 6000 miles that had been sitting for a long time. Working on a 96' Sportsman 500 right now, and it's bogging down past half throttle. Lots of power, idles fine and runs the same as it Polaris Sportsman 500 was backfiring through exhaust at idle and wouldn’t throttle up. I replaced everything fuel related (carb, filter, pump, lines) and flushed tank due to gas turning into varnish :). Just backfire through the carb. Check the rubber intake boot between the carb/ throttle body and the engine. 1 reaction · 13 comments What could be causing my Polaris Sportsman 500 6x6 to shut off while riding due to an electrical issue? 1y · Public I have a 05 polairs sportsman 500 6x6 just shut off while riding motors fine something electrical any insight? Starter selinoid clicks once and I've put another batter on it and tried jumping the I show you how to diagnose a backfire issue on your Polaris Sportsman 500 and inspect camshaft. I tried to start my pred tonight but it is spitting gas out of the carb and won't fire. When running I haven't heard it. In this guide, we explain the most common causes behind ATV backfiring and provide practical tips to help you troubleshoot and resolve the issue. Backfiring through the carburetor usually indicates a lean fuel mixture or ignition timing issues. I'll walk you through fixing the rough idle and other issues on a Polaris Sportsman 600/700 Check spark plugs and air intake. Also blocked oil lines off and currently running 32:1. 2000 Sportsman Polaris 500 Hey I got a 2000 Sportsman Polaris 500 that idles great but when accelerated it bogs down and backfires in the carb and doesn’t run right. It will start fine and idle perfect, but as soon as I touch the throttle it'll pop and backfire like crazy at the carb. to/3XWP88g Spark plugs I use https://amzn. timing is 2001 Polaris Sportsman 400 atv with backfiring out of the carb Read less 0 Likes I have an 01 Scrambler 500 4x4. It doesn't matter if its in neutral, forward or reverse Your ATV backfires mainly because of an improper air-fuel ratio resulting from issues with your exhaust pipe, muffler, air or fuel filter, or carburetor. Always had spark. I have the af screw 2 1/2 turns out. Found problem with ETC sensor and repaired - problem solved! 2000 Polaris 500 Won't Start: Backfiring and Carburetor Issues Polaris 500 often faces carburetor flooding and choke mechanism sticking, causing starting difficulties and backfires. my quad started running like crap, it idles fine but seems to backfire through carb or something when you give it gas I cleaned carb twice, no change plug looks perfect, good color and clean fuel pump is working, clear filter is full of fuel would a bad ignition do this? any ideas? thanks! Polaris Sportsman 500 Won't Start: Backfire and Ignition Issues Sportsman 500 may face carburetor flooding and ignition timing problems causing starting difficulties. That or find a new compatable new OEM carb. . to/3EZXwLHmore 2002 Polaris Sportsman 700. I don't ride it every day, but try to at Anonymous 1 Answer Posted on Jun 20, 2009 SOURCE: 2006 sportsman x2 500 ho have an 06 polaris sportsman 500 x2, when i turn the key nothing happens. Also, I did some welding on the back rack would that have an effect on the LEAN! I show how a lean condition will cause popping / backfiring on an ATV with this exact problem and the ways to fix it. New to me 1999 polaris sportsman 500. I've posted this on many other forums and wanted to post it here so that you don't rack your head trying to figure out what is wrong with your machine, this problem can be when it is dry like mine did, but really affected when you run through water or mud: It usually appears as the machine may My 2002 500 HO Polaris sportsman is backfiring through the carb and bogging when pushed much past an idle. It was running fine, shut it of and when it was started back up 5 minutes later it started popping through the carb. It wanted to restart a few times, but wouldn't. battery is good and charged, i have another quad, same exact one, and i have swapped out every part i could to find out what is wrong with it, still doesnt work. It starts and idles fairly smoothly and I can slowly advance throttle to #2 Tuning Your Carburetor to fix a Sputtering ATV Another reason why your ATV might be sputtering is that your carburetor needs tuning. Carb Cleaner https://amzn. Been running fine. Here's it go! I was out on my bike screwing around and it runs great. Upon attempting to go uphill and then through li 2000 Polaris 500 Sportsman Carburetor Backfiring Issue 500 Sportsman often faces carburetor popping and poor throttle response under load or acceleration. 2022 Sportsman 570 Owner’s Manual P/N 9940171 i 2022 Sportsman 570 Owner’s Manual ii Welcome Chapter 1: Introduction Important Warning About This Manual Safety Symbols and Signal Words Vehicle Identification Numbers Radio Compliance Statements Chapter 2: Safety Safety Training Safe Riding Gear Safety Warnings Safety Labels and Locations Chapter 3: Features and Controls Overview Ignition 2002 Polaris Sportsman 500 HO all stock. After attempting to turn over the engine several times, it sounds like it's backfiring, but the noise seems to be coming from the front of the engine rather than the exhaust pipe. 2003 polaris 500 sportsman backfires through carb when throttled up carbs cleaned and valves checked - Polaris Polaris ATV question Backfiring through the carb usually indicates a lean condition in the carb - scoring on the top and intake side of the piston usually indicates pre-ignition caused by the fuel/air ratio being too lean - I believe you have a carb/intake problem Assembly lube burning off? Discover more answers 2000 polaris sportsman 500, at about 1/3 throttle it starts to bog down and will backfire and die if the throttle is I have a polaris utv 6x6 500 it will start but will not rev and is backfiring through carb and exh. Idles great starts first pull without the choke. Known for bad cams! Or crack intake boot from engine to carb! Well running spray starting fluid or brake cleaner or carb clean! Around intake boot see if idel speeds up!|Fuel pump or carb. In the rest of the article, we’ll discuss every single problem Discover more answers Polaris sportsman 500 (2006 HO) backfires and stalls on sudden acceleration. It will start and idle and you can rev it up a little if you press on the throttle very gingerly. Compatible with Sportsman 500 HO (2001-2013) and Scrambler 500 (1997-2012). Obstructed carburetor Letting the fuel sit in the fuel tank for a long period makes it thick and capable of clogging the jets of the carburetor. Did the same thing again. Wld do the same thing. It honestly sounds like a 12 gauge shotgun. New to Polaris 4 wheelers, been working on Honda's for a while now, but finding out a lot of differences. I have a 2000 Ranger 6x6 500cc. It starts and runs fine, but when you hit the gas, is acts like its in reverse spitting and sputtering. Is it actual backfiring through the carb? Or are you talking about a lean decel pop? Or an after fire coming out of the exhaust?|Cracked exhaust manifold or bad gaskets. It would never start back up. HELP!! I've rebuilt the carb, replaced with OEM spark plugs, replaced air filter and can not figure out why it's popping. The machine has less than 400 miles on the odometer and 53 hours on the clock. I do have some ideas but I want to see what you guys think. I found the timing was way off, and the crank sprocket had been eaten up a bit. Check for vacuum leaks around carb boots and intake manifold. 06 500 efi sportsman wont hardly run, backfires Jump to Latest 22K views 6 replies 6 participants last post by hiljak Mar 10, 2013 H Hi all. Nov 26, 2024 · Backfiring can happen due to various reasons, from unburnt fuel igniting in the exhaust pipe to issues in the carburetor or fuel system. o. Aug 16, 2022 · I use my 500 to pull a trail mower and had been having problems with it running rough. Tips for Preventing ATV Engine Backfire Here are some useful tips for preventing ATV engine backfire: Regularly change or clean the Air Filter As mentioned earlier, cleaning your air filter will prevent a clog up and thus curb an overly rich fuel mixture. It sat for awhile waiting for mowing Oct 15, 2015 · i have a 1999 polaris sportsman 500 that back fires through the carb when i give it gas it runs a little rough at idle and sounds like you are hitting the gas a little bit almost like just taping it then letting go, i just put a new spark plug boot and carb kit on it, these didn't seem to help Feb 23, 2011 · Ill try to make this as short as possible, I have a 2004carburated sportsman 700 twin that I just replaced the crank and all bearings in. Replaced starter drive. Seems to Ace521 3 posts · Joined 2020 #6 · Jul 13, 2020 Hi I just bought a 01 sportsman ho 500 and it backfires through carb and exhaust when you give it gas and it’s in time and valves are good don’t know what else to check and compression seemed good Reply Like Ok all you Polaris Gurus. Less than a block away, I started bogging, backfired LOUD, and died. Sportsman 500 HO. Ran through valves. Polaris 500 Sportsman 2013 Won't Idle and Backfires Issue 500 Sportsman often faces vacuum leaks and carburetor seal failures causing idle instability and backfiring. Like it just won't build power while riding. Cleaned carb, adjusted. mech. When I first go to pull start it it backfires thru the carb. And that was because of air flow fas too low. As you open the throttle to allow more air into the combustion chamber, the fuel is obstructed from passing through the passages within the carb resulting in the mixture being too lean to burn and the engine stumbles or dies. 2002 Sportsman 500 backfiring badly: At wit's end backfire sportsman 500 Jump to Latest 4. Was running ok. Put a carb of my pit bike on, been fine ever since We pioneer breakthroughs to help people work & play outside. If you mash the Choke related questions for Backfiring, Sputtering, Rough idle, and stalling ATVs. Took it out to play. I don't have my header on yet and I can feel the exhaust valves opening right after the mark on the flywheel goes past the hole in the cover. Its been running rich since I got it, about 1 month 2005 Polaris Sportsman 500 HO Carb So yesterday I had a problem with my 500 that is starting to baffle me a bit. I started it and it died about a block down the road. Hi guys, I seem to be having troubles starting my sportsman. Look When was the last time spark plugs were changed? Has the carb been rebuilt? Those are the simple things to start with but if you arent mechanically inclined than you have to make the decision to I'll show you in detail how to fix your Polaris Sportsman 500 if it backfires and bogs down. Up and down the street. Backfired a little. Not same machine but I picked up a raptor 90. Why does everyone always just replace the carb. Hello everybody. Blows fuel back out the carb as All in all, a backfire will hardly cause injuries to the rider. Took it to the shop twice, first where the fuel pump and spark plug were replaced, then secondly the carb was rebuilt and the fuel valve replaced--that was in April '22. Backfires nearly every time I let off the gas. Turned on the fuel and fired it up. Ran it When mine felt like it was running on one cylinder, it would also bog out when I gave it more than 30% throttle. Backfires in the muffler. I have a 2006 polaris sportsman 700 that fire up run a little bit and now just cranks if you tap on the throttle and backfires it is fuel injected has new spark plugs '07 500 EFI - Backfire - Now Won't Start Jump to Latest 19K views 4 replies 2 participants last post by bogmanjr Aug 5, 2010 R Polaris 6 x Polaris Sportsman 500 Problems and how to Fix it! Jay Robinson What kind of problems does a Polaris Sportsman 500 normally have? In this blog, we’ve outlined all the most important things you should watch for when you’re in the market for a Polaris Sportsman 500. I have a 2010 Polaris Sportsman 500 HO that is having some issues, I have tried all the basic stuff and nothing has worked, so here I am asking for you help. I can get it to rev pretty good in neutral by Ok so wifes grandfather was letting his younger grands ride his sportsman 500. When your ATV’s carburetor isn’t adjusted correctly, then the air screw and fuel screw’s balance between your carburetors are out of line. Tried adjusting the carb with no luck so I pulled the carb and Atv sat for about 2 months. I can let go of the throttle and it'll settle back to idling. 99 polaris sportsman 500 h. If you experience acceleration and power loss, check the engine’s air and fuel systems, clean the carburetor, and replace the fuel filter if necessary to restore proper functionality. Changed all my fluids and went for a ride to go pressure wash it at the car wash. While warming it up I forgot to turn on the fuel and it ran down and died. Address backfiring issues by examining the 2007 sportmans 500 efi running bad ,somtimes it idles high and then goes down down and dies when idling and backfires when you let off throttle. Where does So it was bored 10 over and I reassembled it. Now it wont start at all cranks but wont turn over seems likes it backfiring through carb. Got new plug and flywheel key is not sheared. I used to have problem with my 2019 Polaris Polaris sportsman 570 long frame dying while the exhaust was under water. They came riding into the yard, and cut it off. Those cheap carbs just don’t cut it and yeah they’re cheap but they are a waste of time and money. Idles fine but starts to backfire as RPM's are increased. Whenever that happens, you’ll need to readjust your carburetor. Sep 28, 2015 · I have a 99 Polaris sportsman 500 that is backfiring through the carburetor. I herd that a worn cam or a torn Polaris Magnum 325 Fuel Starvation Fixed! - Running Lean | Not the Carb & Not the Fuel Pump - Part 2 Polaris Sportsman 500 backfires! How to inspect the camshaft and check for a Lean condition. This backfiring mainly occurs when trying to A weak fuel pump or insufficient fuel pressure are two reasons that prevent the combustion chamber from receiving fuel in the required amount, and as a result, your ATV backfiring. I got everything put back together and I fired it up and it would idle at around 2200rpm. Timing sounds Sportsman 500 Carburetor Carb Fits Polaris Sportsman 500 HO 2001-2013, Scrambler 500 1997-2012, Worker 500, ATP 500, Trail Boss 325. Help. zub1, okzx, mo67, n9q2l, lgjbbg, apx3o, vrjt, whkob, jqay5, ynkoi,