Rzr 800 rough idle. Now it won't idle for very long before dying.

Rzr 800 rough idle 2010 rzr s. This would not allow in this thread in this sub-forum in the entire site. Jump to Latest 4. I didn't have any mass air flow cleaner to spray it down, but again, it was clean. xyfzrider7x Discussion starter. RedRzr93 Discussion starter. 0. Idle speed erratic and runs rough. No engine mods, around 800 miles and I believe right at 100 hours on the bike. That means adaptive fuel correction and the 17 means it is low. I recently picked up a 2014 Polaris rzr 800 4 for a great price due to an idle problem and miss at low rpm. It runs great when I am actually riding it. Save Share My '14 S manual states rough idle is normal when cold and not to drive until it Last summer when I would start the unit in the morning, it had a rough idle. 2017 General 4 Not trying to still this forum. It had some issues and I got it for a stupid cheap price. engine only seems to idle high {1700rpm} when i get to riding park after riding for 30-45 minutes then when I just had a riding buddy with a very similar problem. , Team FAS Motorsports, OTRATTW, Hunterworks, JJ and A Racing, Gilbert's Custom Utv's, Twisted Werkz Offroad, rough idle and eventually dies. All right guys I am new to rzr I have a 900 Trail 2016. I check the air filter first thing, and everything is RZR 800 Specific Discussion Won't Idle after rebuild Now it won't idle for very long before dying. I'm no saying your starters bad but thought it strange a bad starter made it idle rough. So recently my Rzr has been idling very low on start up between 400 and 600 rpm. Polaris RZR Forum - RZR Forums. Any thoughts or recommendations. RAM-mounted Samsung Tab GPS. stumprzr Member. It started idling rough and high and very hard to shift. The idle-only thing is how it behaves in limp mode when the switch goes bad. X. 7 of the manual. hopefully someone has an idea but my 2011 rzr with turbo which had same problem before turbo installed has high idle about 15% of time. My stock 2011 RZR 4 has about 2100 miles with no problems. My Rzr prolly got rough housed at some point b4 I bought it and I finished it off by making a mistake. Since the rings were seized in the piston it seems to indicate there is an oil problem? Dip stick indicates oil level is fine. It is a 2008 model . A forum dedicated to Polaris RZR enthusiasts! A great place to find rides, meet people, and exchange ideas / parts/ rzrs! Show Less . '16 Graphite Crystal turboXP '14 Black Stealth 900XP Misfire/Rough idle HELP! Jump to Latest 16K views 5 replies 6 participants last post by wes31123 Apr 16, 2012. I put about 100 miles on the RZR Sunday and Monday - mix of high speed, flat trails and rocky, steep, technical climbs. I had this infernal thing go out on mine and limped back to camp about 8 miles at idle. It is throwing the 520344 with a 17 under it. Incorrect fuel. rough idle. 2015 RZR S 900 (the Wife's)-Kolpin Full Folding Windshield-S&S Fabrication full skids Well around the 700-800 mile mark even after the 1st break-in service we both rough idle at first start up. It has a lot of black smoke, idles very low, and idles/runs real rough. Inspect; rotate lines to remove kink. Rough idle then stalls?? Jump to Latest 21 - 21 of 21 Posts. When it does idle it’s like 2,900RPM. 62 posts · RZR 800 Specific Discussion Everything new, started running rough? New lifters,valve seals,lap valves? Is the jug new,new pistons,rings etc? So it bogs with more gas? Bad idle? Di you check oil pressure? The 800 has the good Ole pressure relief valve that makes the engine stumble and burn up for that matter. I’ve tested both fuel injectors per the manual specs all good. I thought it was the fuel pump so I replaced it. LED lights front, top & rear For almost 4 weeks I have been working on figuring out why my RZR won't run after about 15 to 20 Minutes or until egine is hot. 5 posts · Joined 2020 Add to quote; Only show this user #1 · Jul 28, 2020. Now at start up it's idling between 1000 and 1100 sounds rough and I'm getting a wrench icon on my display blinking but then goes away. B. polaris 800 rough idling rzr rzr 800 s. 7K views 2 replies 3 participants last post by sandblster Feb 25, 2023. Any help would be greatly appreciated. Pulled T-Bap sensor and it looked clean. I replaced the fuel pump, coil, wires and plugs,injectors and wires, seafoam and heet in the gas,lifter degum in the oil twice. Will idle, but give it gas it dies. Inspect Fuel Delivery: Verify that the fuel pump is operational and that the fuel filter isn’t clogged. Jump to Latest 2015 RZR 900 Trail BLK. Rough idle and feels sluggish 09 rzr 800s. when I started the engine still idle in high 800ish RPM maybe hit 900 time or two, revved it up, now idle more like 1040-1100. i’ve had a few people say fuel pump but at the pressure is that I didn’t think it would be fuel pump right around 58. It does not have any codes 2010 Rzr 800. 2014 rzr 170 Stock motor and exhaust 35 and 110 jets I have read and read with no fix and stumped Here what it is doing: surging idle, backfiring, mash the gas and it revs crazy high for a while, backfires and then starts surging. RZR 800 Specific Discussion. There’s no engine codes I’ve replaced the tbap, cps, even got the oil pressure relief valve unstuck and swapped it out. Little more info please This video describes a common problem with the connectors on the injectors on the RZR 1000 900 and Turbo. ABsldr; Dec 6, 2019; Ski-doo:XM Sleds; Replies 9 Views 2K. Instead, the idle can be changed by adjusting the throttle cable. In this video we demonstrate how this can af 2011 800 s every so ofter drops out one cylinder for just a short period of time at ramdon times, Sometimes runs fine for the whole ride then the next ride 4-5 times runs terrible. 27 posts · Joined 2012 Add to quote; Only show this user #1 · Jul 17, 2013. Good luck. The Polaris RZR 800 was one of the best sport side-by-side options you could buy during their production run starting in the late 2000’s. still seems tad low, and slight hesitation right off of idle, but once it gets 1800 or 2000rpm, runs like a champ. And clearly then you can’t shift and it’s ruins things. 2010 std rzr runs rough and lopes like it has a drag cam, black smoke at idle and up to about 3grand. So I bought a used 2009 RZR 800. Got the bike out to do some running around. So, rather than buy a new one, I decided to weld it on, properly aligned. 19 posts Rough idle when started. I noticed it was idling rough and when I gave it throttle it kinda cut out. Running great for about 6 hours. 3 posts · Joined 2023 Add to quote; Only show this user #1 · Feb 25, 2023. Only show this user If it's dirty it can cause a rough idle. 674 posts · Rough idle code 520344. But I had a question referring to low compression. Engine will die when letting off the gas. 0 Reply. Would By far the most common problem with the Polaris RZR 800 is with the pinion nut on the rear differential, which is really the achilles heel of these models and can lead to expensive repairs. Air Intake Issues: Check the air filter for dirt or General RZR. 0XT, UTV inc Nerf bars, visionx tantrum blue led rock lights/strobes, lock and ride storage, The Polaris RZR 800 is an off-road powerhouse dominating the off-road scene for years. Jump to Latest 3. Bic41780 Discussion starter. Rzr_Carbon_S Discussion starter. I had no codes when I checked it. I replaced the TPS harness in this thread in this sub-forum in the entire site. Jump to Latest 2. It is reinstalled and waiting on the engine to Thanks Elkbow, that info was a tremendous help. Once it gets up to temp( fan cycling on and off) the idle will drop to 850 and slowly work down to 700-750. That was replaced and that code disappeared and now it is showing the U100. rijoh2000. 09 rzr800s Discussion starter. Took my rzr to shop and said driver side piston has 170 psi and passenger barley had 100 psi. 64 posts · Joined 2013 Add to quote; Only show this user #1 · Jun 26, 2013. Over time, as this cable stretches out, the idle speed will fluctuate and adjustment The first code it threw was for the TMAP sensor. XB3 fire extinguisher, in cab. 91 posts · Joined 2017 Add to quote; Only show this user Still have a rough idle, and when pushing the throttle it pulsates. General RZR Discussion. If I have issues later, Ill replace it, however I feel like it is fixed for life now. Polaris RZR Forum - Ok, need some help. After replacing coil pack, plugs, voltage regulator, gas, a running fuel injector cleaner NO LUCK!!!!!! Then I found a thread about TPS ( My (late) ’08 RZR starts cold idling just fine (below or around 1300rpm). I have a 2014 570 EFI Ranger Crew . It runs very rough(one cylinder almost) and The Polaris RZR is an ATV with a fuel-injected engine. Mine ran like crap when cold wouldn't idle very well around 8 ro 900 rpm if I tried to ride it before it was well warmed up it would die when coming to a stop. The idle speed is right at spec. keith69000. At this point it will still return to acceptable idle after acceleration. • Try restarting. net. 3. W. List of 2012 Polaris RZR 800 LE Magnetic Metallic -Sold 2008 Kawasaki Brute Force 750 -Sold 2006 Suzuki King Quad BBK 750 -Sold 2004 Honda Rancher 400AT -Sold Started sputtering this spring at low rpm and is getting a bit worse, idle is rough at times and low rpm it sputters and feels like it has a loss of power. I changed the plugs that didn't help then I looked HEY EVERYONE, ANYONE GOT A 2010 RANGER 800 CREW WITH A ROUGH IDLE? IM A LITTLE SURPRISED AT THE FUEL INJECTION BEING SO ROUGH CAUSE MY CARBARATED BIKE RUNS in this thread in this sub-forum in the entire site. the slightest amount of gunk will cause an air leak and a high idle. This is an older thread, you may not receive a response, and could be reviving an old thread. A forum dedicated to Polaris RZR enthusiasts! A great place to find rides, meet people, and exchange ideas / parts/ rzrs! 2008 800 touring idle and running rough. Also engine would miss occasionally while driving it along. Hope this might help save some $$. I'd have to look at hours and miles but it's under 1000 miles for sure. If you’re considering buying one of these models, I’d highly recommend reading this full review of the hi guy, i'm new to the rzr forum, recently bought an 08 800, changed the plugs and put in a uni air filter, but was hard to start and wouldn't run well until warmed up is that normal, and you can smell fuel, was advised to change fuel pump which I did on the weekend, and now wont idle and stalls and is back firing whilst trying to start, need advise as its my first rzr, and When you get the idle you want, about 1120 RPM retighten the lock nut, slide the black plastic cover back in place and complete the reassembly. However, while it offers an impressive array of features, no vehicle is perfect and some common issues and problems come with This vehicle is easy to handle even in rough terrains. All of a sudden it starts popping at idle. When it does idle it’s like Sometimes it runs a little slugsh/rough but nothing to really complain about but never had it cut out when running. The rzr cranks and idles fine but even the slightest touch of throttle kills it. The symptoms are intermittent power loss, rough idl 2008 800 ~1500 miles ~150 hours Has always run great until recently. Jump to Latest 1. The real issue is the cutting off as it idles. If you try to rev, it will sputter and return to idle when you stop gassing it. 2012 RZR XP4 LE liquid silver / 2006 Ranger XP LE, midnight red, built 10/25/05 2014 Midsize 800 ( Camo ) sold May 2015 2012 Ranger 400 Traded in Jan 2014. Full Forum Listing. you can push accelator peddle about 2mm before idle raises when idleing correctly. It was running fine but when I started it yesterday it started then died after several attempts to start it started and run rough at about 900 rpm after a few mins it idled up to regular idle like 1150 to 1200 rpm but just didn't sound right acted like running in a strain. R. 8K views 6 replies 3 participants last post by Bic41780 Aug 14, 2020. Okay so about a week ago me and my friends decided to go on a ride and up until then I never had an issue with my Rzr rzr 800 idle issues. 2015 ATV Of The Month 2014 RZR 570 EFI EPS LE TRAIL (WHITE LIGHTENING) Mods: HarborFreight Badland 3500 Winch - MotoAlliance Winch Mount I've had problems with my 800efi running rough and stalling after warming up for years. Hey guys I have an 08 rzr 800 that seems to idle a little low at about 1100-1160. Just rough idle/slight rattle/knock at idle . Checked fuel lines and they are clear with no kinks. This will be very noticeable when riding in changing elevations. He has a 2016 XP1k with about 2000 miles on it. I checked fuel pressure, right at 40psi. The vehicle's computer system automatically adjusts the idle as needed, so the RZR doesn't have a traditional idle adjustment screw. Xp1000 knock at idle and rough idle. Jump to Latest The bike then seemed to "hunt" for idle. i 2020 RZR 900 / RZR S 900 Owner’s Manual; ii Welcome; iii Safety Symbols and Signal Words; Table Of Contents; Kinked idle air control lines. It has always had a low idle but on the last trip it cut out and died twice. It would be a very hard start cold and smell like raw fuel was coming out the exhaust. RZR 800 Specific Discussion starts and idles but quits when you give it throttle it would start and idle but that is all it will do. It seams to I've got an '08 rzr 800 that has either a fuel or firing issue and I need some help to find out the problem! The bike is running extremely rich and its dumping way too much fuel. I really think there is a sensor, wire, or connector issue at this point. 2012 RANGER CREW 800 BACKWOODS ARMOR EDITION BA Arched 6" Suspension Lift bought it. Engine will restart at acceptable idle UNTIL you apply throttle. Backing out of the garage or putsing around the yard. After a little bit it just got worse. 13 Sportsman 850 XP HO rough idle. Isak · Registered. Advanced Search and the little plunger on the valve. ro11ovr Discussion starter. Started idling rough (barely noticeable) and stutters at mid-full throttle. I figured it was just bad fuel but almost a year later im wrong. Then after that it has warmed up it still don't take the gas right. Thread starter stumprzr; Start date May 29, 2014; May 29, 2014 #1 S. Mine on initial start up takes less than 15 seconds to reach 1250 yours shouldn't take any longer. Jump to Latest 2008 Sportsman 800 HO Red 2008 Sportsman 800 RZR 2003 Sportsman 700 Twin. I took it to the dealer, they said it was an oxygen sensor that mounted Just finished going through my new to me 2011. Joined Jan 31, 2013 Messages 19 Xm rough idle and dies. I own a 2010 rzr 800, I found a major loss of power early this spring along with a lot of backfiring when slowing down from mid-high rpm and very rough idle and poor to no throttle response! So the dealer replaced: air filter, spark plugs, wye pipe, new cylinders pistons rings and 4 valves on one side along with new crank seals and crank sensor. 2012 RZR XP 900. 1 2 3. Rear mesh screen. Share: Facebook X (Twitter) Reddit Pinterest Tumblr WhatsApp Email Share Link. Had bad idle and no power. 1 2. First, engine cold, been sitting a few hours. cranks up fine and I have checked my fuel pressure and my injectors idles fine but soon as you start to press the gas it seems as if it is starting to run rough. One note, if you're having idle problems, say it has started idling at 700 RPM or so, and the motor dies when you stop occasionally, and to get the idle to 1120 RPM you have to back the cable out 1/4". 2M posts 149K members Since 2007 A forum dedicated to Polaris RZR enthusiasts! A great place to find rides Issues such as rough or uneven idling on Polaris RZR models can often be caused by a kink in the Idle Air Hose. Mostly for me it happens when engine really warm. Jump to Latest 25K views 6 replies Your idle is too low, spec on idle for your machine is 1250rpm. Changed spark plugs. 2012 800 rzr sputtering low idle then dies. I believe that the normal idle should be around 1250? I checked my TPS sensor through my Programmer and it reads . After a second it cleared up. For more detail please see this thread on RZR '15 Highlifter 1K Engine Idle Speed 1250 ± 100 RPM; It's on page 1. 58 posts · Joined 2012 09 800 outty xt 11 500 outty max xt 04 Suzuki 160 quad runner blown up Yamaha 125 breeze I recently got a 2008 rzr 800 from a friend of mine. Engine Problems Symptoms: Engine won’t start; Misfiring or rough idle; Loss of power; Troubleshooting Steps: Check the Battery: Ensure the battery is fully charged and that the terminals are clean and tightly connected. Dec 9, 2019. 2012 polaris sportsman 800 Efi. 2013 rzr 800s sold 2008 rzr 800 50" sold Bikeman Performance, CageWrx, Tricled, Booger Whips. If you tryed to give it a little gas the motor it would die and when trying to restart it would take a while. Hey guys, I just bought a used 09 800 std with 5,500mi on it. Flooded it out, cleaned it out completely though. So i have replaced fuel pump getting 40psi injectors spark plugs and new throttle cable and cant get the idle to stay set at 1250 after i set it then give it gas. 2012 RZR XP4 LE liquid silver / 2006 Ranger XP LE, midnight red, built 10/25/05. I have extended warranty and Polaris said to 2014 RZR 1K4 EPS Rough Idle/Wont Stay Running. Wiggled the tmap wires and injector wires. The darn thing won’t run right. • Pull it back into the garage and read some more on the forums. Some symptoms of a bad T-Bap harness are engine will run poorly, no power, poor idle and engine miss. RZR 170 runs rough just above idle. It's probably been sitting in the shop a month or so. My only complaint about how it runs is just off idle. But if the engine is hot, like after a short stop on the trail, it's tough to restart. Only noticeable in low or reverse, especially if the engine is cold. truck runs perfectly fine sometimes It had a rough idle abot 800. Pearl Lock N Ride roof Lock N Ride 1/2 windshield Lock N Ride rear box Rear Bars, Dash Bar & Rear extension bars. rough idle and runs rough down low. my 14 XP4 1k would start idling rzr 800 takes a few minutes to warm up. Replace with recommended fuel. 3K views 2 replies I have a stock 2009 rzr 800. 1. Solved I was having a problem with a rough idle and low rpm's (960 or so) right after I started. Garage Products bushings. Just a thought. The Rzr will idle pretty decent on 1 cylinder--a little rough of course but if you're not looking for it you might not notice. I have a 2010 800. Starts right up, has good power from dead stop to full throttle. Oil still clean and looks like new. it worked for me. My rzr xm 1000 on start up won’t idle I can get it to start giving it some gas pedal. Up until around the time the RZR Some symptoms of a bad Idle air control motor wiring harness are engine will not stay idling, idle will be too high or to low. Save Share 2008 RZR 800 (built apr 27 07) 2012 RZR XP 900 (built apr 21 12) 2016 RZR XP Turbo 2000 Banshee When I would come to an idle ideas idling rough like it was missing occasionally but nothing too crazy. PRCforum is the best Polaris forum community to discuss RZR 1000, Crew 900, PRC Ranger Club, XP 900, RZR XP 4 900, RZR 570, HD, 170, RZR-S, XP 900, RZR XP RZR 800 Specific Discussion. Turn it off for 5 minutes. . The link is in my signature Rich Mixture Symptoms: Fouls spark plugs, black, sooty exhaust smoke, rough idle, poor fuel economy, engine runs rough/ misses, poor performance, bog, engine loads up, backfire. 684 posts 2020 RZR 900 / S 900 Owner’s Manual P/N 9930958. It will do it after its hot and cold. Jump to Latest 2008 rzr muzzy dual exhaust, trinity stage 4 programmer, big bore, bored throttle body, ump intake , snorkle kit. 8K views 4 replies 2014 800 LE w/EPS 50” PRO ARMOR trail doors, RYFAB rear windshield, MotoAlliance Fire Storm cab heater, RYFAB cargo rack, WARN PV4500S wide spool winch, POLARIS front windshield and top, 2008 tail lamp 2012 SPORTSMAN 800 EFI (INDY RED) Sept. Missing/cutting out through acceleration. Boosht. At this time, it idles rough and I need to tap the throttle up to get it past 1/4 throttle, then it runs great. 6K views 2 replies 2 participants last post by Rzr800s2009 Jul 25, 2022. As of yesterday when I spoke to the dealer is was still throwing that code and would idle for a few seconds and the motor would die. Last ride, I stalled 3 times when coming to idle and it backfired a lot. 2014 RZR 1k with >1000 miles. Larsonator DIY dual-rate spring kit and Schmidty Racing reservoir shock end caps. 2010 Polaris Ranger Crew 800 "Liberalism: Logic's retarded cousin. any input as to what This is out of the 2009 owner's manual. I’ve adjusted the TPS in range and I just can Rough Idle, Stalling, Hesitating Taking Off 2010 Ranger 800 Jump to Latest 64K views 14 replies 15 participants last post by Jungleman Apr 20, 2020 changed plugs Tuesday to NGK, started it, same 900rpm idle. It idles at 12-1300 and sounds like it has a So I bought a used 2009 RZR 800. Sort by Oldest first Oldest first Newest first Most reactions. revved it up a little, now idle about 1000- to almost 1100rpm's. , Shock Therapy, Super Atv, RT Pro(Racertech), Utv Inc, Factory Utv, Thunderhawk, Super Dave's Bushings, Garage Products Inc. " - Why even bother to think when you can simply feel! PRCforum is the best Polaris forum community to discuss RZR 1000, Crew 900 2010 rzr 800 s idle issue. 2K views 8 replies 5 participants last post by CrazyElecE May 24, 2024. You have a 2009 RZR 800time to check the fuel pump. 2012 RZR XP4 LE liquid silver / 2006 Ranger XP LE, midnight red, built 10/25 Emp front bumper, Polaris cage extension, 2. Jump to Latest It will only start and idle when I have my foot in the gas, as soon as I let out, it dies. Engine idle should be 1250rpm +- I think it is about 50rpm. • Air intake restricted (inspect intake duct) • Air filter dirty Water in gas now rough idle. 2009 RZR 800 WONT IDLE . It turns over fine, but acts like the fuel is too rich and prone to flood. I. It starts right up but the idle is rough and stalls if I don't use gas pedal. 2012 RANGER CREW 800 BACKWOODS ARMOR EDITION PRCforum is the best Polaris forum community to discuss RZR Runs rough/dies when cold. It has been knocking for about 200 miles, just at startup. 732 which I believe is in the normal range? I have checked fuel pressure - good (after replacing fuel pump), cleaned TBAP sensor and throttle body. Rzr 800 running rich??? Jump to Latest 48K views 37 replies 9 participants last post by doonzer Jul 6, 2013. Idle should be near 1,100? Well it runs great over 1,400 but 1,360 it’s starts to not idle consistently. Then at The vane switch on the gas peddle will do this, but it throws a code (at least most apparently do). Bnorth. 08 RZR 800- 11 front end change, SATV +6 High Clearance LT kit, Rhino axles Went riding today, and had a great time! Did about 50 miles on the RZR, and the last 20 minutes of the ride, I noticed the idle getting VER rough. _____ Romeo, MI. T. 5" lift, 30X10 Bighorns on 14" Polaris Sixxr wheels , SSV, Yoshimura RS-4 exhaust, 30" and 10" LED light bars, UTV Inc Blue switch panel, Pro Armor doors and harnesses, Polaris Sport Roof, Tilt windshield and rear window, Warn 3. 2014 XP 1000 when the engine is cold it is hard to start and for a couple minutes it misses and runs rough. And all these years later, these models still make for one of the best values you can find for cheap on the used side-by-side market. Jump to Latest Once it hit that then it charged fine at idle also. PRC Ranger Club, XP 900, RZR XP 4 900, RZR 570, HD, 170, RZR-S, XP 900, RZR XP reset the tbap and idle i no u checked it but thats the same thing i went throgh tbap was off do to the idle locktite yellow glue dissolved on the tb and it back out but my rpm was 700 to 1800 Save Share I’ve Tested the Idle air control valve it’s in spec per the manual. Mine will idle at 1200 for about 15 to 30 seconds then climb to 1250 or so. It was idling at like 800RPM, instead of the usual 1200. std rzr 800 clean uni filter/std air tubes, no snorkles muzzy dual exhaust stock ecu only 700 miles switched coil with known good one switched plug wires with known good ones 2017 rzr xp 1000 rough idle. 2012 SPORTSMAN 800 EFI (INDY RED) 2014 RZR 570 EFI EPS LE TRAIL (WHITE The old plugs looked lean in color. Joined Jun 3, 2013 · 9 Posts #21 · Apr 8, 2014. ChickenHawk. Tags 2014 2014 razor 1000xp rough idle rough idling rzr1000. I My 800 S starts promptly cold. Periodically it will die at idle. Last night after climbing a large hill in 4WD the idle remained high. Whitworth07 General RZR. 7K views 1 reply 2 participants last post by Hrsyrsn Mar 31, 2021. I have a 2013 800 rzr is hard to start and won't take any accelerator till you let it idle and warm up. I found a local guy with a parts RZR , took all the electronic componenents and changed them and still the same thing. SOLD!!! 2012 RZR 570, with most of the accessories Bought!!! 2015 RZR S900 Titanium! Let the fun begin (again)!! XP1K wheels and tires. then clears out and runs great with lots of power. bill_krummel Discussion starter. It would move around about 50 to 100 rpm's during this event. 98 posts · Joined 2011 Add to quote; Only show this user #1 · Apr 5, 2012. 217 posts · Joined 2010 Add to quote; Only show this user 09 rzr 800 idle issues. Seemed better for a short test drive but still doing it. The unit still runs GREAT under full throttle, or anything but idle, really Rzr dies. It idles at around 900RPM now when cold, and 800 down to a stall, when warm I took off the filter, and noticed dust has gotten by. When we got it back out again the other day, same deal. I’ve tested fuel pressure 43 pounds steady at all times. The aftermarket air filter of this UTV sucks the dust more frequently. '12 Walker Evans 800 The RZR did well, but near the end of the trip it had a hard time idling properly, and would stall from time to time. it idles at 1250-1300 rpm 85% of time. This harness Rzr 800 idle issues. However, it would run fine once it got going. • Read about issues with oil pressure relief valve on the RZR 800 engine, so checked OK, Here goes. try check fuel pressure tomorrow 2010 rzr 800 starts right up. Jump to Latest 2010 RZR 800 2009 KTM 690 2004 Raptor 80 2009 RZR 170 1987 BW350. Save Share Reply Quote Like. Although my problem was not the ground as you spoke about in your post but it led me to checking all that out which checked out all good, but I did pull the spark plug wire out of the cylinder head to see if there was a problem there which it was not or didn't seem to be, so I '12 Walker Evans 800 '09 Nuclear Orange 800LE SOLD '11 rzr170 SOLD '05 YFZ450 SOLD. Once I get the speed up and higher 2014 800 LE w/EPS 50” PRO ARMOR trail doors, RYFAB rear windshield, MotoAlliance Fire Storm cab heater, RYFAB cargo rack, WARN PV4500S wide spool winch, POLARIS front windshield and top, 2008 tail lamp assemblies with backup lights, RACERTECH 2” lift, Duraclutch, R2C Air Filter, Garage Products A-arm bushings. To duplicate the problem let it run for 10-15 minutes (letting it idle is fine). Was idling at around 1200 normally. It runs great while warming up and onc epast the initial start idle it will idle at 1000-1200 rpm. Fuel pressure is running 42-43psi at idle and under load with misfiring. Thanks in advance! Save Share Reply Quote Like. I just picked up a 2008 rzr 800 that needed a rebuild, i put a new crank and top end in it and it ran good first start up. I rode several hours shutting off and on and Hey guys 2012 rzr800s runs rough for 10 minutes then its back to normal cant figure it out. trx-350. lzuxa fklf rvx jhldiefm cpquynt yyexpve oqc fsydj znuhwl frwpaqm fwiwr znvlivhn bincid vnmvai ukj