Polaris sportsman 500 bad cam symptoms No mods at all. I'm trying to describe it Dec 20, 2020 · There are multiple problems with the cam/valves on my 2016 570 midsize crew. Set timing. CDI stands for Capacitor Discharge Ignition, and it is the ignition system used on the Polaris Sportsman 500. But there’s one issue preventing you from riding this aggressive 4×4 – it dies when accelerating. Nov 12, 2023 · Hey all my 1997 sportsmen 500 is misbehaving lately , it's shutting down when I push the throttle, spits gasoline out of the carb, sometimes it sputters and dies, and backfires like crazy I replaced: carburetor. You may have tried everything, such as replacing the carb or even the entire engine. Only about half way up the I bought a Non-Running Polaris Sportsman 500 H. Having experienced the slow crank before when the cam failed I went straight to camshaft, and Feb 7, 2024 · Can a bad exhaust lobe on a cam be detected by a mechanics stethoscope, with the engine running at idle? Anyone sharing their personal experience with a bad cam, would be greatly appreciated. I rode it for 2+ hours and was very happy. I'm not even sure physically how this can happen unless the valves seized in Leading Source of Off Road Vehicles GuideComments on: Polaris Sportsman 500 Bad Cam Symptoms: Signs and Solutions Oct 10, 2015 · Hi, Any help would be great. Oct 15, 2015 · I have a 01 Polaris 500 ho backfires through carb it has new in take boot fuel pump and line camshaft is good still pops back please help thanks for any help Apr 25, 2016 · Could anyone inform me of any common problems that the 2000 sportsman 500 has had, Any help is greatly appreciated. I turn the key and everything seems to be working. You don't even need the sprockets on to do it. Can I take the compression Sep 28, 2015 · I have a 99 Polaris sportsman 500 that is backfiring through the carburetor. Feb 16, 2011 · Well I couldn't find my problem by searching so here it goes. O sportsman 6x6. I'm not super mechanical, but I've got a buddy who's an excellent mechanic. Nov 3, 2019 · Hey guys i just replaced the camshaft on my 01 scrambler 500 and now it barely cranks over. It has a slightly larger engine and other enhancements over the previous model year. Re-read your post—The kind of symptoms you’re describing just not usually overnight. Common Problems With Polaris Sportsman 500 NB: Polaris Sportsman 500 ATVs are sold without any I'll show you step by step how to remove a bad camshaft on a Polaris 500 engine and give you tips how to give it more horsepower! 1999 Polaris Sportsman 500 ATV Low Power After Camshaft Repair Sportsman 500 often faces low power and poor throttle response after engine or carburetor work. I have a 2011 that when doing a dry test, there is almost zero compression. May 1, 2023 · What Is Polaris Sportsman 500? The Polaris Sportsman 500 is an All-Terrain Vehicle (ATV) that has a 4 stroke engine and an independent rear transmission. Thank you. Anyone else have this problem and replace the May 27, 2020 · Learn how to identify if your ATV's timing is off and the steps to diagnose and fix the issue effectively. Is there any other device that works in conjunction with the cdi to adjust timing? May 31, 2015 · I just purchased a 2005 sportsman 700 twin efi. 25" Sedona Coyote tires 2017 Polaris Ranger 1000XP - Roof and front glass 2018 Kawasaki KLR650 2001 Magnum 325 Warn winch and Moose 60" plow-Sent to Daughter and Son-In-Law since his blew up SOLD 2004 Sportsman 600 Twin Oct 4, 2012 · Had the cam out to look at it. Oct 4, 2020 · The Polaris Sportsman 500 is a serious trail quad, offering lots of power and good traction. then i gently tapped the cam out of the gear with a deep well 1/2 inch socket and finish hammer. It runs about 10 minutes then starts to dog out bad. It originally became mine when my dad Jun 22, 2017 · 5X ATV OF THE MONTH WINNER. Most of these problems stem from wear and tear and Oct 16, 2016 · The ECM uses the signal from the CPS for fuel injection timing could be loose and as engine heats up the sensor moves, a bad connection or just a bad sensor! if you have a ohm meter you can check sensor Unplug the sensor at its connection and it should have about 580 ohms resistance in the wires from the sensor. Jul 28, 2013 · The cam timing really shouldn't have affected your lash because you should be checking the lash on each valve with the lobe up. it's happened again. When i give it gas the motor boggs and spits and i have no power at all. 5 - 1 CP piston. 26" Bear Claw HTRs on Moose 427X Wheels. The HO style grind will work on all Sportsman 500’s, but non-HO models would benefit more when using the larger carburetor Oct 15, 2012 · Its a 2002 sportsman 500 HO. Sep 10, 2012 · Here is the lowdown on Polaris Sportsman 700-800 T-Bap wiring: Symptoms of broken Temp/Baro sensor wires: I have a 99 polaris sportsman 500 atv, and it runs fine at low speed, but if you get on the gas hard, it just sputters. Signs of problems, not taking throttle May 17, 2020 · Discover Common Signs your ATV needs a valve adjustmet, we cover the symptoms and the valve adjusting procedure and the tools you'll need. airbox, fule lines, flushed fule system, , filters, plug I was reading Jun 3, 2013 · I recently had the Camshaft and lifters go in my 2011 sportsman 800 EFI at 151 hours and a little over 2k KM it (about 1000 miles). The Polaris Sportsman is deemed to be reliable and durable. I've read could be rings and was told it was most likely valves. The Web cams do typically use larger shims over stock and my stage 3 cams used even larger shims then I needed for the stage 2's. But I would just let Polaris dealer take care of it! Hoping the service tech at Dec 22, 2017 · Anytime doing much work on engines, best to replace timing chain and worn guides. It sounds like when I start my Honda without the air filter on. It has good spark. Or, have you encountered your ATV losing power and performing more like a golf cart than your fun ride? You may have a a low compression problem! What Causes Low Compression in an ATV? Low compression can be caused by several issues. There's also a small "scratch" on the cam follower from the decompressor ball but doesn't look too abnormal. OK, OK, a LOT of TLC) My first 4WD ATV! 1" wheel spacers, 25" STI Black Diamond Tires, Front and rear storage with seat. Never looked at timing marks before proceeding. I've removed the head and the cam and you can see light through between the valves and the head. 2007 Sportsman 500 EFI, Polaris Winch, 25" Bear Claws QSC Clutch Kit, Hand Warmers 2001 Magnum 325 MOSE 12" rear wheel conversion. The machine was of coarse out of warranty so I decided to do the fix myself, I have been working on small engines all my life rebuilding many motorcycles If the starter solenoid is not working, it may be due to a bad connection, a short in the solenoid, or a problem with the starter itself. should i be worried about it and take it to have looked Dec 28, 2022 · Some common Polaris Sportsman 450 problems include fuel pump problems, transmission problems, clutch and stalling problems. Purchased it not running. Winch, Kimpex Adventure XL Trunk, 7" Passenger Foot Risers, UNI Foam Filter 2006 Sportsman 500 X2 EFI: Superwinch Terra 25 w/Synthetic Rope, Kolpin 4 gal Gas Pack, 3" Passenger Foot Risers, 3-Headlight Mod, K&N Filter SOLD 2010 Sportsman 300: Polaris 2500 lb. Polaris Sportsman 500 Bad Cam Symptoms-Complete Guide 2023 The Polaris Sportsman 500 ATV is fantastic. 3K views 5 replies 3 participants last post by FPD218 Apr 1, 2023 Biggreen2 Discussion starter Apr 25, 2020 · I have what I believe to be a cam chain in tensioner issue. move to much and when you shut it off the needle sticks open and allows fuel to keep Oct 18, 2021 · I recently replaced the camshaft on my 1999 sportsman with an aftermarket camshaft off of amazon. So, what is the exact reason for the sportsman 500 to die when accelerating? Often, the problem is caused by a bad CDI. I've got a 2008 500 EFI. No trouble turning over or starting but when it starts its like a scary racket noise. After camshaft and exhaust rocker arm replacement, check valve timing alignment; incorrect timing reduces power. Hard to imagine going to all that work and reusing the same timing chain. I've been having performance issues for a while now…mostly bogging and recently what I want to say is some type of miss. 42 mm FCR carb by Walt Aug 28, 2017 · 2007 Sportsman 500 EFI, Polaris Winch, 25" Bear Claws QSC Clutch Kit, Hand Warmers 2001 Magnum 325 MOSE 12" rear wheel conversion. After only about a month of light use I went out and it Dec 30, 2018 · 2007 Sportsman 500 EFI, Polaris Winch, 25" Bear Claws QSC Clutch Kit, Hand Warmers 2001 Magnum 325 MOSE 12" rear wheel conversion. is there a compression release valve or other component that isn't working properly May 27, 2009 · 2003 Polaris Predator / 2004 KTM 525 exc 6 speed motor. 25" Sedona Coyote tires 2017 Polaris Ranger 1000XP - Roof and front glass 2018 Kawasaki KLR650 Dec 22, 2012 · 2012 Sportsman 500 HO - I wish I would have went with the EFI only because of the trouble starting it cold - but it's essentially stock except for camo plastics. 6x6 Want shut off at time. Is Feb 16, 2019 · When i get an older Sportsman 500 in the shop with what appears to be carburetor problems,believe it or not,first thing i check is the camshaft. I have a 99 polaris sportsman 500 atv, and it runs fine at low speed, but if you get on the gas hard, it just sputters. Have tried 2 diffrententry aftermarket CDI. I have been searching for an Email Address for Polaris with no luck as I would like to send them pictures of the cam and lifters and ask how this is even possible with a machine with 100hrs on it and regular oil changes. 25" Sedona Coyote tires 2017 Polaris Ranger 1000XP - Roof and front glass 2018 Kawasaki KLR650 2001 Magnum 325 Warn winch and Moose 60" plow-Sent to Daughter and Son-In-Law since his blew up SOLD 2004 Sportsman 600 . Absolutely bone stock. I herd that a worn cam or a torn I show you how to diagnose a backfire issue on your Polaris Sportsman 500 and inspect camshaft. I replaced the cam and rockers. I have a 98 Polaris Sportsman 500. Sep 8, 2024 · I have a repeat issue with a 2001 500 Ranger. Explore common problems with the 2013 Polaris Sportsman 500, along with reliability insights and essential maintenance tips. Hey folks, long story short I am having issues with my 2015 570 full size. I've been struggling with this issue for quite awhile. It's back in my shop today no crank/slow crank concern. Nov 11, 2022 · 2006 Polaris sportsman 500 efi 500 4x4 efi issue sportsman Jump to Latest 3. Said it would need cam and lifters. 006. I can let go of the throttle and it'll settle back to idling. A starter solenoid acts as a powerful electric relay. Set valve Jan 31, 2015 · 2012 Sportsman 800 EFI. When I put some oil in, the compression goes to around 70psi. any help is appreciated. (roughly around 18-22mph) It seems like it Oct 21, 2012 · The timing chain and sprocket and cam are about a year old and they are fine & the engine is in time. I test drove it and it seemed very weak compared to by 500 sportsman. did NOT turn the fan on when the temp switch told it too, it could cause overheating. 5" Kenda BearClaws on rears 2010 Sportsman 500 HO - 1417 miles 189hrs Front/Rear 18W-4 inch solid metal CREE LED Floods Tamarack 10" Footpegs Polaris Front brush guard - bumper ODI Rogue 130mm grips Wants BearClaw HTRs for Christmas! OPT is here: http Oct 27, 2021 · 99 sportsman 500 very little power (warn exhaust cam?) Jump to Latest 3. Feb 22, 2023 · Discover the 10 most common Polaris Sportsman 450 problems, from engine issues to power steering faults, with easy-to-follow fixes. Last weekend I Jan 5, 2012 · 99 Sportsman 500, new cdi new coil plug and wire. 56K subscribers Subscribe Have you ever got on your ATV and tried to start it only to have the engine spin like crazy but not start. When it don't shut down I can move May 5, 2019 · I purchased this non-running 96 Sportsman 500 last fall. Compression low on 1st cylinder next to belt. I replaced the starter, fuel injector, solenoid, spark plugs, filter & battery. You likely have a different speed head but the basic transmission switch and resistor pack circuit will remain the same. Aug 3, 2012 · If not you'll have to replace the hub coil. Used to be bad problem with 1999-2000. Heading back to camp after going through some water. '01 Polaris Sportsman 500 HO project (needs a 'lil TLC. Nov 12, 2023 · The Polaris Sportsman 700 made for an excellent step-up from the ever-popular Sportsman 500 for folks who wanted a little more power back in the early 2000’s. have any of you had this problem and what was the cause? it cranked over great before changing the camshaft. Jan 26, 2011 · Before I'd listed all the symptoms, he called it a bad cam and said it took at least $800 to fix. I finally got a Jul 25, 2021 · is the non-tension side supposed to have a lot of play in it when there is no tension on the chain? this is on a 2017 450 sportsman. Just as classic Polaris models of old like the Magnum 425 still make for Apr 21, 2022 · Hi all: I have a 2002 Magnum 500 RMK and am wondering what are the symptoms of a failing coil. Oil system mod by DJH. Have had a ticking noise on cold start up for quite some time but is definitely getting worse recently, the noise only last for 10 seconds or so then goes away. COM Front and Rear Bumpers, 2" Receiver in Front Bumper, Kenda K587 HTR May 2, 2012 · 2011 Sportsman 500 HO Touring: Polaris 3500 lb. Hers: 2019 Sportsman 450. . popped and misfired. The engine I'm trying to troubleshoot is a 2001 Polaris 500 HO. Aug 10, 2015 · I have an old 97 Sportsman 500 that I have had for years with no problems. Quoted about $1000 to fix. So, you may be wondering why your Polaris Sportsman 500 dies when accelerating. It does this in or out of gear. Fuel Issues on a Polaris Sportsman 500! I'll show you what to look for! Jan 12, 2006 · 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 Oct 22, 2005 · Polaris - polaris sportsman 500 Motor boggs bad when i give it gas - Hey everyone, I have a 1998 polaris sportsman 500. Polaris Sportsman, RZR, Ranger, and Outlaw models are more susceptible to starter problems. It wasn't that difficult for an old farmer but that didn't fix the problem. However, even the best machines can face challenges over time. Loss of Power The first sign that could indicate a faulty cam is a noticeable loss of power. Very noticeable—no oval shape to exhaust lobe. I Polaris Sportsman 500 Checking Cam Chain for wear or replacement Geezer Moto 1. some times it will shut down other times it want. It idles great though. Replaced the starter, one of eBay 1PZ is Aug 22, 2018 · Hey all! My 500 turns over like a bear! I did the top and bottom of he motor a while ago and it's always kinda pulled over hard. But even the best machines can experience problems from time to time. It didn't appear to have major wear but I'm wondering if some of it is worn. MY PROBLEM IS NOT GROUND it's the blue and white wire intering CDI box. 520 miles and the cam shaft lobes are rounded. #polaris #sportsman #atv #sxs Replace polaris 500 ranger camshaft the fastest and easiest way. Allmost sounds like it might be starting up dry. Head ported by Thumper Racing w/ new intake seats done by Pro-1 racing. When the ignition is turned on, it allows a large current to flow from the battery to the starter motor, which in turn sets the engine in motion. Go over to atvconnection dot com Polaris forum and search—great source to fix atvs -which seems to be ongoing endeavor. Recently when I start it up the engine makes a bad noise for a few seconds then all is fine. It's a common problem with these Engines and can be easily fixed. 25" Sedona Coyote tires 2017 Polaris Ranger 1000XP - Roof and front glass 2018 Kawasaki KLR650 Are you experiencing issues with your Polaris Sportsman 500? In this video, we will walk you through the signs of a bad camshaft, a common problem that can l Jan 6, 2018 · I have a 2014 Polaris Ranger 570 Crew. Took it to the local polaris shop, and they said it was the cam going out, that sometimes they would wear and the lifters too. I've been told this is common in that year. KW valves ( stock size ) * #100 CDI dirt bike CDI. I. 570 Thumper Racing kit w/ 12. I'm a light user with my little boy on grass track for a couple of hours every weekend. Also does anybody recommend an after market tensioner to help eliminate some of the top end noise. I don't thrash it. I started it 8 or10 times and rode it for 10 or so minutes. the engine creates to much compression for the starter to turn it. 1996 Polaris Sportsman 500 Cam & Rockers Installation Polaris compression release broke fixed free One of four The Clever Hose Clamp Trick You Didn’t Know Existed Sep 25, 2018 · i have a 2018 sportsman 450 ho, Ive had it for about a month now did first oil change at 5 hours but since ive had owned the 4 wheeler it has some motor noise like a tick but what ive saw on the forum from some other guys is that it is ok. With a damaged cam, the ATV’s engine won’t run at full Oct 3, 2020 · Im looking for some of the more minor symptoms of a bad cam i have a groove worn in my exhaust rocker from the decompression setup on the cam. Verify camshaft timing marks match crankshaft position. It has been sitting outside under a deck for the past 5-6 years so it’s seen better days. And my dad has a 2013 800 efi and is wondering the same thing? Also what would be better a stock cam or get a performance one? Id like more torque than hp but want to keep stock hp if thats Jun 13, 2014 · 1998 Sportsman 500 - 4789 miles Front/Rear 18W-4 inch solid metal CREE LED Floods Polaris 8" Rear Rack Extender ODI Rogue 130mm grips 12. Tapping on the starter while holding the key on crank will activate the starter, still cranks slow. Pop the valve cap off,remove the rockers and verify the cam lobes and followers are in good shape. I recently acquired a 2006 Polaris Sportsman 500 HO EFI with 170 hours & 532 miles. All electronics seem to be working fine. 9K views 7 replies 3 participants last post by h_2_o Nov 10, 2021 H Mar 14, 2023 · I have a 2001 polaris sportsman 500 ho, exhaust lobe was wore smooth off the cam, replaced the cam and did a valve job, the machine ran good for awhile, then recently it started to slow crank, the starter would hit, then pause, then turn over but slowly. ***** OF ALL THE PATHS IN LIFE YOU TAKE, MAKE SURE A FEW OF THEM ARE ON DIRT! 2019 Sportsman 850 SP Premium, Removed all Warning Decals, 3500# Polaris Winch W/Synthetic Rope, Winch Stopper Cable Line Saver, Garmin GPS176C, Ram Mount, Polaris Rear View Mirrors, 4" Front Rack Extender, ATV-GURU. (and some others) the C. Thanks guys. on it a mechanic at polaris told me it was because of there design (the carb. Earlier this month, I came up with all the parts to replace the cam and associated parts. This ATV also has a continuous variable transmission and a fuel capacity of 15. All timing marks line up the only thing I can figure is the automatic compression release is stuck. The engine cuts out/misses at around 4200-4500 rpms, then comes back fine. 's for the Sportsman 500 H. It has a near identical sound Oct 1, 2017 · Hello guys I have a 2015 ranger 900xp. Aug 11, 2023 · Recognizing Bad Cam Symptoms Understanding how a bad cam manifests itself can save you from potential damage to your ATV and possibly even your wallet. From electrical problems to engine troubles, these issues can Sep 2, 2017 · I'm 6 months in to ownership. Here are some symptoms that could indicate a cam problem with your Polaris Sportsman 500. Aug 3, 2014 · Polaris Hand warmers, Mirrors. Due to this issue, some models are more consistently affected than others. Had only 30 psi compression. Just installed a new carb, filter and fuel and it still runs like a turd. Timing is set right and valves are set at . The Sportsman 700 got its start in 2002 around the same time the Polaris Trail Boss 330 debuted, and underwent a series of changes during its production run. 5400 miles on my 2016. I’ve come across several common issues that Polaris ATV owners often encounter, and understanding these can save you time and money in the long run. 2000 sportsman 500 wont stay running Sent from my LM-Q720 using Tapatalk Watch as we show you the starting symptoms of a bad camshaft on a Polaris Sportsman 500, and learn if you are at risk of encountering this issue with your own ATV. Found exhaust lobe wiped on cam. The engine vibrates like crazy at idle. then i "pressed" it back on with 2 pieces of cardboard in the bench vise to protect the gear and the camshaft, and cranked and checked, and We would like to show you a description here but the site won’t allow us. D. Polaris Sportsman 500 Cam Timing, Setting, cam chain The Art of Hydroforming — 2-Stroke Pipe Building Masterclass Aug 26, 2019 · Polaris Hand warmers, Mirrors. It actually stalls sometimes. The starter doesn't have the balls to turn it over, one or two pulls ( which could rip your arm off) and it fires up and runs great. Jul 19, 2013 · Hey guys i am geting someone to work on my 1997 polaris sportsman 500, he said the cam was bad and i was looking on google and someone said to run full synthetic 0w-40 oil or you will be changing it again. Has anyone ever had the coil fail? Do they ever fail when they get hot? The problem seems to maybe be heat related as it runs fine until it warms up Aug 10, 2022 · The Polaris Sportsman range offers a wide selection of popular all-terrain vehicles and one of its popular models is the 500 series. How to inspect the camshaft and check for a Lean condition. Great job Polaris! #junk L & R Cargo box, 4 gal fuel pack, plow, Symtec heated hands/thumb grips. Could it be the compression relief valve? How would you check that? Jul 26, 2014 · I own a 1999 sportsmen 500 and believe the cam is junk. The belt cover was melted and the clutch was toast. is mounted between to rubber boots and the carb. He's 4 As some of you may have see and contributors to the first major issue I had on my 2015 xp1k regarding timing. I was just wondering how difficult the job is to replace this? I'm more of a novice so I would need more detailed instructions or a you tube video if anyone knows of one. I checked the speed Mar 12, 2012 · Bought my 2011 ranger xp 800 new in july last year ,Never had any problem suddenly developed miss at idle, got worse same day . Throughout the entire rpm range a hollow sound is made. My other ride is a 2-stroke sport quad. I appreciate all the help! Polaris Sportsman 500 backfires! How to inspect the camshaft and check for a Lean condition. Which makes me think its further along the electrical lines to the ECU or PDM. 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. can please somebody help me, i have a 1998 Polaris 500 H. the engine won't turn over unless i remove the spark plug. 4K views 5 replies 2 participants last post by Dibly74 Nov 13, 2022 Jul 30, 2016 · This is the gear position section of the 2012 Sportsman 500HO wiring diagram. O. neither would run on it. It will start fine and run great then with no ryme or reason will sputter and backfire then cut off, let Aug 7, 2017 · Hey guys. Winch, Kolpin Rear Seat (for the dog), UNI Foam Filter SOLD 2006 Sportsman 700 Twin EFI Aug 24, 2009 · Polaris had a bad batch of C. Stage 5 cam ( Custom design by Thumper Racing ) AC bearing mod. I replaced the clutch and cover and was able to get it running, but it ran like a turd. While installing cams, found no gap between cam and buckets on the intake. parked it in the garage and the next day it would not start. If these electrical tests are OK, you're gonna have to disassemble the hub. This aftermarket camshaft and rocker kit is a direct replacement to the OEM right down to the adjusters. This cam has the same lift and duration to get you running again. May 17, 2014 · Had a sportsman for years, and looking at a used 2010 RZR 800 with ~1000 miles. Also should check or replace valve stem seals whenever head is off. Any thoughts from the pro's here? Nov 12, 2024 · Polaris ATVs are known for their rugged performance and versatility, making them a favorite among outdoor enthusiasts. Looking at my Polaris Sportsman HO 500 4x4 Cam Shaft. 5L. Jul 7, 2007 · my ranger has had 3 cams put in it since it was bought new and it only has 442hrs. Dec 28, 2019 · Timing Chain Broke! On my 1999 Sportsman 500 the exhaust lobe on the cam was worn down completely. Jul 22, 2018 · Update: It was a bad ground for the main wiring harness. The solenoid also has a Jan 26, 2020 · 1998 polaris magnum 425. I checked battery and connections everything is good. Nov 15, 2023 · The Vital Function of the Starter Solenoid Before delving into the problems, it’s important to grasp the function of the starter solenoid in your Polaris machine. In this article, we're going to take a look at some of the most common Polaris Sportsman 500 problems Nov 2, 2011 · Hy. The Polaris Sportsman 500 is known for its durability, power, and off-road capabilities. I was wondering if anyone else is having a simular Sep 27, 2017 · Hey all, new here. Feb 26, 2014 · I replaced the starter on 500 Polaris sportsman, it will start right up and next time I try to start it everything is locked up. Lifter moves but wont come out. Replaced piston, rings, and cylinder. Severe dusting found in intake. I thought Dec 29, 2005 · I'll admit I'm curious what are the symptoms of a cam going bad? I'm looking for a couple of older (97-00) Sportsman 500's to keep around for loaners, but the price has to be extremely good, particularly if these are repairs I'll get to look forward to. Jan 25, 2021 · It could be a bad sensor telling the ECU to shut down to protect itself - but I think the sportsman's "limp-mode" only limits RPM's and still provides spark. Edit- especially with the fact that it had oil starvation. If the chain was loose enough to make that kind of racket, it probably would have damaged the chain and chain guides as well IMHO. Sportsman 500’s are notorious for prematurely wearing out the lobes, especially the center lobe. A few days ago our 2000 Sportsman 500 started cutting out at about half throttle. First, the intake valves are stuck open. Decided to give it a good bath (pressure washer), all went well. Wear parts such as chain, possibly guides and piston rings always get changed if showing any signs of wear. Mar 31, 2023 · Polaris 500 ho sportsman cam problem Jump to Latest 1. The CDI box in the Sportsman controls the timing, spark, rev limiter, and factory safety kill switch. The reason the Polaris Sportsman Apr 25, 2007 · i "pressed" my gear off by slipping the cam through a bench vise until it was hanging by the gear on top. The first occurrence happened while hunting. Ive had to replace a few things over the couple of years since my dad sold it to me. Jul 4, 2018 · If it sounded that bad due to a failed chain tensioner, then surely your cam timing would have jumped and the machine most likely wouldn't have run at all. Quickest way to diagnose cam is to take off the aluminum cover on right side and look. jofxqv yyciqb zjjarf tsvek rklu ule fdvumgd qvatj ukgp nprotw zyey ojv plmovuqee tavxyga zlgvn