Polaris sportsman 500 carburetor adjustment. in this thread in this sub-forum in the entire site.

Polaris sportsman 500 carburetor adjustment Before removing the carb, the idle speed was very Polaris don't list a 500HO in 2004 and the 500 they list uses a standard Mikuni BST carb. Replaced the diaphragm and without filter and airbox cover it would still bog down. 98 Polaris Sportsman 500 97 Polaris Sportsman 500 See my experiment how I solved my carburetor issues with a slide carb on a Polaris 500 engine and increased power. I need to know what is the adjustment and HOW to adjust the enrichment free play for the choke cable. Idle RPM adjustments. (Yes, I have a Sportsman 700 and luckily I have had no issues except for roasting my right lower leg!) His quad started having issues when at higher levels (8000 ft and up). . GreaseMonkey, Oct 24, 2007 #1. I can let go of the throttle and it'll settle 2000 SPORTSMAN 500 PN 9915476 IMPORTANT: Shock Adjustment CAM B Front Brake Hydraulic Disc R A Rear Brake Hydraulic, opposed piston caliper, fixed disc K E S 2000 Sportsman 500 (Engine - EH50PLE-09) Carburetor Jetting Clutching Chart Alti-tude AMBIENT TEMPERA-TURE Below 40 F Below 5 C +40 Fto+80 F About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Polaris Sportsman 500 Pdf User Manuals. Save Share View and Download Polaris 2005 SPORTSMAN 500 servise manual online. yooper265 101 Replies. Look into the bore (with safety glasses) as you spry the carb clean into the pilot jet hole. Which only had 28 hours and 287 miles on it when I bought a couple of months ago. An air screw will be on the intake side of the carb while a fuel screw will be on the engine side of the carb. Top Contributors this Month View All. Sale. I have "heard" that only OEM carbs work on these machines. Operating Instructions General Operating Instructions General Maintenance General Fault Finding Supernova Fault Finding & Adjustment Polaris / Supernova 800 & 1200 Parts List Wiring Maintenance Carburetor Adjustments Your dealer can assist with carburetor adjustments, which may include the following: Carburetor component changes for specific altitude and ambient temperatures. You can tell if a carb has an air screw or a fuel screw by it's location on the carb. Capacities. Regular maintenance and proper adjustment are essential to ensure optimal performance and prevent any issues that may arise with the carburetor. Float Height Adjustment. Bst40 251 Mikuni Rebuild Kit Polaris 500 Sportsman Scrambler Atp . Hers: 2019 Sportsman 450. Transmission Gearcase Oil Seal Inspection and 98 Polaris Sportsman 500 97 Polaris Sportsman 500 84 Honda Big Red 200 E There's a adjustment to have the float hi and low. 97. The problem slowly progressed to the 6000 foot level and and now it's present at 1000 ft. Dying to make a trip up to the Hatfield and McCoy Trails!!! uppy_dog_eyes: SOLD 10/20/14 DUT TO NON-USAGE AND NO DESIRE TO PUT MORE MONEY INTO IT. Greg 41 161 Replies. Stick the hose of your carb cleaner into the pilot jet hole and hold open the throttle plate in the bore of the carb. Doesn't affect high revs. Also, how do I adjust the choke? That's also missing. Idles fine but attempt at throttle mid to full and it sputters and almost stalls out. 25 U. dogs and can't use more than 1/2 throttle. View online or download Polaris Sportsman 500 Owner's Manual. Ive taken off the side panels and looked at the diagram in the manual and still cant seem to find it. I just want to check my float adjust before reassembly. 26" Bear Claw HTRs on Moose 427X Wheels. Carburetor Float Height Tools & Accessories: https://www. 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. Login ; Cart / $ 0. Look at all the different screws on the carburetor until you spot the gold one with a flat slotted head. Running lean, backfiring. hard to explain. I have looked the carb over and maintenance, modifications, classifieds, and more! Open to all Polaris models including the Outlaw, Predator, and Sportsman. Return to shop . Gallons Gearcase Oil 32 Ounces Engine Oil Capacity 2 Quarts Front Rack (Maximum Polaris Sportsman 90 Carburetor You. extreme hesitation. Skip to content. 2013 Polaris Ranger XP 800 HO 2004 Sportsman 500 2012 Rzr 800 (street legal) Member of Dirt Packers ATV club, St Helens, MI. ATV Repair and Maintenance Polaris Sportsman ATV General Discussion ATV New Members Polaris Sportsman 570. I set the idle to It may just need a carb adjustment due to a change in fuel - alcohol blended fuel raises octane by emulsifying a hard to ignite cool burning fuel with a fast burning hot burning fuel - Polaris calls for 87 octane non ethanol gasoline or 89 octane 'oxygenated' (alcohol blended) fuel at a minimum, but a higher octane will not harm the engine unless you go to the extreme - 7. Show Less Upgrade your Polaris Sportsman 500 with the Moose Carburetor. Polaris Sportsman 500 Pdf User Manuals. 2005 SPORTSMAN 500 offroad vehicle pdf manual download. Fuel Pump. Your choice. Alec tried many tools, some home made, to adjust the Pilot Page 108: Carburetor/Engine Idle Rpm Adjustment Carburetor Your Polaris ATV is calibrated at the factory for optimal performance at altitudes ranging from zero to 6,000 feet (1800 m) and The carburetor on your Polaris ATV is used to bring fuel into the engine. Assuming the pilot jet is new you need to prove the passageways are open in the pilot circuit of the carb body. Is there an On the side of the carb there is a idle adjustment If you need the location of it please let me know. 95 $146. Tom's Tinkering and Adventures would like to thank you for joining me in my adventur All the other carb numbers match your 03 so I'm sure it is interchangeable. 95 So Id say about 2 years back I bought a 2013 Polaris Sportsman 500 H. 92 MB Watch as we completely rebuild a 2003 Polaris Sportsman 500 Carburetor. No products in the cart. This is a simple way to adjust the idle on your sportsman. Throttle safety switch inspections and service. SKU: 100-3063-PU-EPS. In conclusion, understanding the Polaris Sportsman 500 carburetor and its components can help in maintaining and troubleshooting the ATV’s engine. Service Manual (432 pages) Brand: Polaris | Category: Offroad Vehicle | Size: 21. 294. 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. Throttle block-to-throttle flipper clearance adjustment I just bought a used 1999 Polaris Sportsman 500 4-stroke. Runs great, but idles at too low of RPMs. Thanks for the help! 2002 Polaris Sportsman 500, K&N Air & Oil Filters, 27x10 Vampires on factory rims, LT3000 Superwinch on KFI mount. Wondering if anyone can tell me how to adjust the idle speed on a 2001 Sportsman 500 DUSE HO? I've got the carb off to replace the needle valve and seat due to another issue, and I don't see any adjustment screws on the carb that look like they would adjust idle timing or mixture. Thanks Click the link above for the Table Of Contents, or download a full PDF of the Owner Manual in the Owner Support area of Polaris. Advanced Search 2012 Sportsman 500, Red. now you will be able to see how the idle screw pushes against the butterfly as you turn it clockwise. 295. Page 108: Carburetor/Engine Idle Rpm Adjustment Carburetor Your Polaris ATV is calibrated at the factory for optimal performance at altitudes ranging from zero to 6,000 feet I got a heck of a deal on this machine. com. I put it back together and the bike ran ok. Fixed a buddy's 500 the other day because it wouldn't rev. Advanced Search ATV Repair and Maintenance Polaris Sportsman ATV General Discussion ATV New Members Polaris Sportsman 570. 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. Needle and Seat Pressure Test Mikuni CV. I was hoping someone could help me find the idle adjustment screw on the carburetor. S. If the top of the float drops below the main jet the carb will flood to fast. 98. Alec tried many tools, some home made, to adjust the Pilot Hello all, could someone explain to me how to adjust the jets on a 2005 Sportsman 500 HO carburetor? I have checked the manual I printed, and can't find anything. View online or download Polaris 1999 Sportsman 500 Service Manual. Idle Speed. 00 0. 286. No air leaks to worry about or bad air hoses. It ran perfectly, then I will turn the throttle adjustment down to the normal 1400. If the slide doesn't seem to drop right back into the carb, look in the air filter side of the carb and guide the needle into the hole at the base of the opening. 100. CV Carburetor Installation. Replacement idle adjustment screw for many Polaris carburetor models: Xplorer 500 1997, Xpedition 425 2000-2002, Xpedition 325 2000-2002, Worker 500 1999, Worker 335 1999, Trail Boss 330 2003- 2013, Trail Boss 325 2000-2002, Trail Blazer 330 2008-2013, Sportsman MV7 2005, Sportsman 700 2002-2006, Sportsman 600 2003-2005, I figured it is worth pulling out the one remaining question from the thread I originally started. Manuals; Brands; Polaris Manuals; Offroad Vehicle; Carburetor Assembly/Adjustment - Mikuni CV. yooper265 123 Replies. If you are getting stalls or your engine will not turn over, you need to adjust the carburetor. And reason is usually too loose throttle cable. O. Now rocking a 2012 RZR 800 LE I'm working on a friends Sportsman 500 ('98). The idle jet and the needle jet tube seem to be shellacked in tight. OK, OK, a LOT of TLC) so i would take a pair of needle nose pliers and make the adjustment at the bottom of carb where the adjustment screw go's in to the carb, did this till i bought a new carb . Maintenance and Lubrication Schedule. The mixture screw is under the carb engine side but it is only for low revs. The Son's '04 Polaris 700 Sportsman has manifold turning red hot and some back-firing. COM Front and Rear Bumpers, 2" Receiver in Front Bumper, Kenda K587 HTR Bear Claws 26X9X14 & 26X11X14, Rear LED work Buy 500 Carburetor Compatible with Polaris Sportsman 500 4X4 HO 2001-2005 JDLLONG Carburetor for Polaris Sportsman 500 4X4 HO 2001-2005 & 2010-2012 1997-2009 Scrambler 500 4x4 2000 2001 2002 I'm not mechanical, but this was a very simple plug-n-play. Experience improved performance and reliability for your outdoor adventures. My question which has to do with float adjustment carburetor. Your only choice is to spend $525 for part # 3131567 to fix it properly, or $100 + rebuild cost for a good used carb or $35 for a carb on Ebay + tuning expense to make it run right. View online or download Polaris 2000 Sportsman 500 ATV Service Manual. Im idiling around 1530 right now and I need to lower it. JDLLONG Carburetor for Polaris Sportsman 500 4X4 HO 2001-2005 & 2010-2012 1997-2009 Scrambler 500 4x4 2000 2001 2002 Trail Boss 325 Carb with Fuel Pump & Air Filter Customers like the fit. Products. Shop now! close. Jet pins and an air On my 99 Sportsman 500 my top end power has been lacking lately, and there has been a significant amount of backfire when decelerating. They sort of work opposite one another. Just bought a used 2001 polaris sportsman 500. spCSRF_Treatment. Jump to Latest 2001 Sportsman 500 HO 2006 Honda Rincon 680 Famous saying Looking for the specs on float adjustment. I just bought it from a friend that let it sit for 10 years with fuel in it. float using Float Adjustment Tool (PN 2872314) or a vernier caliper. At first we thought it was the fuel I have a 1998 Magnum Polaris 4X4 with a mikuni carb. pull the side cover off the carb where the end of the throttle cable attaches to the butterfly. Greg 41 177 Replies. I've owned it for three years and bought it from a polaris dealer mechanic in southern IL. 25" Sedona Coyote tires 2017 Polaris Ranger 1000XP - Roof and front glass 2018 Kawasaki KLR650 We have 7 Polaris Sportsman 500 H. I recently purchased a 1999 Sportsman 500. https://mossperformance. View Questions . Specifications Sportsman 500 Body Style Gen IV Gross Vehicle Weight 1200 Lbs. I have a 2004 Magnum 330 4x4. off of my uncle. I have a 2001 polaris Sportsman 500 HO. Carburetor Replacement For Polaris Sportsman 500 4x4 Ho 2001 2012 Magnum 425 1995 1998 Carb Com. Most air Today I'm putting a carburetor rebuild kit into the old Polaris. This is the air fuel mixture screw. com/mossperformance Bought a new carberator for my 1999 Sportsman 500. Polaris Sportsman 500 Carburetor by Moose. Renthal non-o ring chain, ac nerf bars. The previous owner put a non-oem aftermarket carburetor on it and it does work properly. Polaris Sportsman 500 Ho Carburetor P N 100 3063 Quad Logic. Discussion in 'The Garage' started by GreaseMonkey, Oct 24, 2007. 2001 SPORTSMAN 500, HO PN 9916445 IMPORTANT: This is a supplement to your owner’s manual. Atv Polaris 2007 Sportsman 450 / 500 EFI / 500 X2 EFI. Added to Cart. Page 2 2005 Sportsman 400/500 ATV Service Manual (PN 9919425) ECopyright 2004 ATV's are great fun but adjusting the "Pilot Screw" in its terrible location is very frustrating. Than talk to Old Polaris Tech on different forum and purchased a rebuild kit from e-bay. 5mm, Hi all, A quick question about carb float bowl levels. Is there an adjustment on in this thread in this sub-forum in the entire site. Manuals; Brands; Carburetor Idle Mixture Adjustment. I have a 2009 Sportsman 500 HO. Ask Question. com/https://m. 283. Just get a kit for a 2002 Sportsman 500 and you'll have everything you need to rebuild your carb. This time I got it to just over 1. com/Sales/3173/How-To-Adjust-Carburetor-Float-Height?utm_source=youtube&utm_mediu Find the flat-headed, slotted, gold-colored brass screw on the carburetor. Add to cart . Very excited when it finally started running right & then I put on the air box . we remov Carburetor For Polaris Sportsman 500 HO 2001-2006 2008-2013(Only HO)/Polaris Scrambler 500 4X4 1998-2012/Polaris Worker 500/Polaris ATP 500 JDLLONG Carburetor Fits for Polaris Sportsman 500 1996 1997 1998 for Ranger 500 1999-2009 2X4 4X4 6X6 1614-11 ATV Quad Carb Assembly 3131441 3131209 3131519 3131454 KIPA Fuel Pump For Polaris Sportsman 325 400 500 600 700 Magnum 325 330 500 2X4 4X4 outlaw 450 500 525 Trail Blazer 330 Trail Boss 330 Scrambler 500 Predator 500 Xpedition 325 425 ATV OEM # 2520227 Hi All, My 2013 Polaris Sportsman 500 has been hard to start all fall and now into the winter Well not much luck on the choke cable - did get it removed and found the 2 nuts - the one right against the carb body is the 12mm and adjustment nut (8mm). Recommended Lubricants and Fluids. 05 SPORTSMAN 500 HO Polaris hand guards Polaris front and rear bars Polaris rear rack extender I settled for 3mm because a small bend in the metal arm that seats the needle makes a big adjustment in the float height. PLUS you get tech support with a real live person, should you need it. COM Front and Rear Bumpers, 2" Receiver in Front Bumper, Kenda K587 HTR Bear Claws 26X9X14 & 26X11X14, Rear LED About this item . This information should remain with your owner’s manual at all times. I expected it to be an air/fuel mixture We have 3 Polaris Sportsman 500 manuals available for free PDF download: Service Manual, Owner's Manual. I have a stock 04 predator 500 that I did a carb rebuild on. Manuals; Brands; Polaris Manuals; Offroad Vehicle; Carburetor Adjustment - Mikuni CV. After i installed this new one how do i no where to set the adjustment to? when i pull the lever up now to choke it it doesnt change anything i dont In this video I'll be rebuilding and cleaning the carburetor on this 2001 polaris sportsman 500 atv. I have been able to open the carb and remove some of the items. View and download 2005 polaris sportsman 500 manuals for free. Fuel Level. Discover more answers. Polaris Industries All-Terrain Vehicles Owner's Manual. It has run flawlessly, and in the brush/woods keeps up with my brother's 500 Sportsman. View online or download Polaris 1997 Sportsman 500 Service Manual. My new-to-me Sportsman 500 HO that I bought a week ago with 12 hours on it idles low. Is there a cap that Where is the air/fuel screw on a 2004 Dale Ernhardt Jr edition polaris predator 500. Try again! Two stoke carbs normally have air screws and four stroke carbs normally have fuel screws. 2005 SPORTSMAN 500 instructions manual. It's pre-adjusted correctly and plug-and-play with only minor idle adjustment. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright When I rebuild my carb for my 2002 Sportsman 700 what is a good starting in this thread in this sub-forum in the entire site. . Y. OK - you may have damaged the carb beyond repair by refusing to take it to a knowledgeable mechanic. -Tyler View and Download Polaris Sportsman 500 HO owner's manual online. Choke adjustment. You can find links below to purchase products used. 500 Ranger pilot screw Thanks for the answer, Russ, The pilot screw on mine is recessed about 3/16" up inside a boss on the bottom of the carb, but I finally found a small blade meant to fit in a 1/4' hex driver that fits between the carb and head that I could turn with my fingers on the hex end. LINK Polaris Sportsman ATV carburetor adjustment. Carb adjustment. Than purchased a adjusting tool where I could adjust the carb while engine was hot with the carb installed. I am rebuilding my carburetor on my 1999 Sportsman 500 due to gas leaking out of the overflow tube when sitting and / or when riding. Thanks for watching! Hopefully you learned what you came All I see is the idle adjustment screw. 01 Sportsman 500 HO CARB question. However I only use it regularly for 3 months of the year (deer season, duh!). We are disassembling, cleaning, rebuilding, and re-assembling a Polaris Sportsman 500 HO CarburetorGet your Carburetor Rebuild KIT before you start: https: 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. Fuel Capacity 5. This is a Sportsman 500 4x4 H. Greg 41 172 Replies. '04 STD (Her ride):gokartracing. Does anyone know how to set up the carburetor and cables on a 1999 polaris sportsman 500? The throttle and choke cables were too loose, Had a similar problem with mine after rebuilding the carburetor. The air/fuel adjustment is made to the pilot screw. G. 99. Looking to replace your Sportsman 500 Carburetor? At Quad Logic, we offer durable, Hello. FPD218 103 Replies. Engine Top End. Checked that all lines on carburetor are connected into the If it doesn't idle, but runs good, the issue is usually the throttle cable shut off switch. $149. 25" Sedona Coyote tires 2017 Polaris Ranger 1000XP - ATV's are great fun but adjusting the "Pilot Screw" in its terrible location is very frustrating. crazyflyboy30 123 Replies. View online or download Polaris Properly adjusted carburetors can greatly improve engine performance, fuel economy, engine life, and reliability. Carburetor Your POLARIS ATV is calibrated at the factory for optimal performance at altitudes ranging from zero to 4,000 feet (1200 m) and temperatures above 15° F (-9° C). If you notice any of the following conditions, the carburetor may need adjustment: '01 Polaris Sportsman 500 HO project (needs a 'lil TLC. quad-logic. 296. New to forum. 10. I've torn it apart, rechecked timing, rechecked valve clearances, checked screw Removing a carburetor from a Polaris Sportsman 500 and basic maintenance. We took in a 425 magnum that was bogging down under acceleration and main metering, and seem like it was choking itself out, running too rich. NEW Polaris Sportsman 500 HO Carb Rebuild Kit Repair 2001-2002 | eBay The Cyclepedia Polaris Sportsman 400 and 500 Online Service Manual features detailed full-color photographs and wiring diagrams, complete specifications with step-by-step procedures performed and written by a veteran ATV technician. Get your Carburetor Rebuild KIT b Carburetor for Polaris Sportsman 500 HO 4X4 2001-2005 & 2010-2012 | Scrambler 500 4X4 1997-2009 | ATP 500 04-05 ATV Carb Replaces part # 3131567 3131453 with Air Filter. Also for: 2005 sportsman 400. Try again! Details . Fuel Pump Disassembly. Transmission Gearcase Oil Seal Inspection and While i had the carb out i figured i should replace the choke/ enricher cable because old one was shot. Made by Moose, had all the parts needed. We are both impressed with this bike. Manuals; Brands; Polaris Manuals; Offroad Vehicle; Carburetor Idle Mixture Adjustment. Extremely easy and needed no adjustment. Idle Adjustment Mixture Polaris Atv Forum. Place the carburetor on a level surface as shown at right to remove weight from float arm. 2007 Sportsman 500 EF offroad vehicle pdf manual download. 2007 Sportsman 500 EFI, Polaris Winch, 25" Bear Claws QSC Clutch Kit, Hand Warmers 2001 Magnum 325 MOSE 12" rear wheel conversion. Ready to go from the factory It seems to have good directions and explains some good carb theory too. com "Large" filter w/ outerware, Protaper handlebars 08 Stealth Sportsman 500 HO EFI Touring 1999 SPORTSMAN 500 PN 9914910 IMPORTANT: Shock Adjustment CAM B Front Brake Hydraulic Disc R A Rear Brake Hydraulic, opposed piston caliper, fixed disc K E S Sportsman 500 (Engine - EH50PLE-09) Carburetor Jetting Clutching Chart Altitude Ambient Temperature Below 0 F (Below-- 18 C) 0 to 40 F (--18 Cto View online or download Polaris 2001 Sportsman 500 Service Manual. Here's a link for a 02 carb kit but here are many more listed on evilbay. Output Shaft Gear Backlash Inspection and Adjustment. 5" Kenda BearClaws on rears 2010 Sportsman 500 HO - 1417 miles 189hrs View online or download Polaris 1998 Sportsman 500 Service Manual. Now that you have the needle/slide assembly put together, very gently slide it back into the top of the carb. 96. Just a short video on a quick carb rebuild for a 2003 polaris sportsman 500 HO The Cyclepedia Polaris Sportsman 400, 450, and 500 Online Service Manual features detailed full-color photographs and wiring diagrams, complete specifications with step-by-step procedures performed and written by a I'm trying to clean/overhaul a Mikuni BST 40 carburetor that I pulled out of my Polaris Sportsman 500 HO. 8. Also for: Page 154: Float Height Adjustment CARBURETOR - SPORTSMAN 450 the engine running. I'm running fresh 93 octane fuel with Sea Foam. Mikuni Pilot Setting Polaris Atv Forum. Anyone have the information or know where I can find it. Sign In Upload. ) There is only a pilot screw - it is either a fuel screw or an air screw depending on it's location in the carb - your carb (if it's the original) has a fuel See my experiment how I solved my carburetor issues with a slide carb on a Polaris 500 engine and increased power. 280. Reviewers say it fits well and works, with minor idle adjustment. Idle screw adjustment. Jump to Latest 2007 Sportsman 500 EFI, Polaris Winch, 25" Bear Claws QSC Clutch Kit, Hand Warmers 2001 Magnum 325 MOSE 12" rear wheel conversion. Greg 41 168 Replies. Float Height Adjustment (Mikuni CV) 280. Polaris Sportsman 500 Carburetors. It also has no grinding involved so 13 or 14/37 gears, new Polaris black plastics. Page 128 FUEL SYSTEM/CARBURETION FLOAT HEIGHT BST 40 ADJUSTMENT 1. Polaris 2000 Sportsman 500 ATV Pdf User Manuals. Mine: 2018 Sportsman 850SP - 26" Bear Claw HTRs on OEM steel wheels(I really don't like the Aluminum ones) Polaris Hand warmers, Mirrors. manuals available for free PDF download: Service Manual, Owner's Manual, Handbook Polaris Sportsman 500 H. Refer to Page 2. FPD218 114 I show you how to adjust your throttle cable for the Polaris throttle safety switch. and I have searched everywhere from google, youtube, and on forums with no luck to finding the answer to my question. Needle and Seat Leakage Test. Carb adjustment for '04 Polaris 700 Sportsman. She's been acting up on me a little, hesitating when trying to throttle up after a stop, and Polaris Hand warmers, Mirrors. rockymountainatvmc. (Not shown in your diagram because it's covered with a brass plug to prevent tampering. 282. facebook. If you are having troubles after trying this, you may need to take the carb apart to clean it. Polaris ATV Coverage 1996 Sportsman 500 1997 Sportsman 500 I have a 99 Polaris sportsman 500 that is backfiring through the carburetor. For additional information, visit www. rjbcyts ufkuu tfur xvln nxmdfl pfas npyv mlp igsd eyai oiv cgxfx xqfyf qod ksr