I would never waste the time or gaskets re-using that piston. That scaring on the skirt doesn't look that bad as the rings look pretty smooth. For a better experience, please enable JavaScript in your browser before proceeding. But it is a new motor with minimal miles. 3 How do you fix low compression on an ATV? I need to let go of the air to make it turn again. Is it normal for the steering to be hard to turn on these. Compression Ratio: 10.2:1: Compression Pressure: 50-90 psi w/ compression release: 60-90 psi w/ compression release: Fuel System: Electronic Fuel Injection: Fuel Type: . To gain immediate approval and a NO ADS experience, consider subsribing to our Premium Membership. This excess oil can foul the spark plug, create build up on the valves and valve seats, and interfere with the proper combustion of the fuel-air mixture, all of which can lead to a loss of compression. You will also experience gear shift problems if the clutches are dirty, the clutch spring is getting weak, or the belt is not well-adjusted to the drive clutch. In such a case, open the ECU up and check if the little black electrodes are damaged. What should the PSI be on a 250cc dirt bike? Search this forum for camshaft issues. Hold wide open and pull hard 5 times. Given perfect storage conditions, a brand-new battery should last 6-8 months. JavaScript is disabled. having a polaris sportsman 500 H.O. My manual says for my 2007 500 efi anything between 60-90 is ok as it is hard to get acurate reading with the deompression system built into these machines. Depending on the engine, most ATVs have a compression ranging between 100 and 250, while others could go up to 300 PSI. It allows riders to attach or detach rear cargo boxes when they need access to the composite utility racks. Group Policy is a Windows function that applies a configuration option to your entire system. Per the service manual I have, it says the 500 should be 70-90psi and the 325 should be 140-160psi. Analytical cookies are used to understand how visitors interact with the website. The power splits there and travels to the ECU, where it is meant to go to the rest of the house, but it doesnt. the fact that you crank over 130 psi and it drops means that you probably have bad rings or a leaky gauge. I'll begin by checking the stopcock and fuel pump and then take the carb off and clean it. Then pour about a table spoon of oil in the plug hole and try it to see what you get. Join our free Facebook group and ask your question there. Furthermore, well tell you how to identify it, fix it and how much it costs to fix. Your In There so why not. Put compression tester in. is a best thing to have where ever you are in canada during the cold winters and the warm summers.they are good in the warm state weather in the desert. We also use third-party cookies that help us analyze and understand how you use this website. ), when we turn the key to ignition, even with the brake pedal pressed in, nothing happens. If Pro-X makes one they are usually pretty reasonable. 2 How much compression should a scrambler 400 have? It is not really how much you have, rather that all cylinders be very close to one another. 155 is higher than stock. your compression should be around 125-135 psi. Unplug other spark plug. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. I have a 2000 600 xc warm motor compression is at 125 psi with throttle wide open hope this helps. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. It works by opening the valve slightly earlier than usual to allow excess compression to flow off. Step 2: If the switch is in good working order, measure the solenoid connections while turning the key to ensure you have 12 volts on both sides. All first posters will have to wait to have their content reviewed and approved. Feb 20, 2008. Although Mark is right about trying to find an oem piston howeverWiseco makes a great quality piston that should last a long time. I have a 1997 polaris 400 2 stroke ATV that smokes an awful lot. If the cylinder wall isn't toast a quick refresh with a hone and some new good rings and i bet it runs like a champ. How do you fix low compression on an ATV? For a better experience, please enable JavaScript in your browser before proceeding. A forum community dedicated to snowmobile owners and enthusiasts. the come in handy if your are a farmer and you are putting up a new fence. From the manual: Compression readings will vary in proportion to cranking speed during the test. This cookie is set by GDPR Cookie Consent plugin. Either the single-seater or X2 model would be an excellent choice for the smart adventurer. When possible, Off-Roading Pro uses affiliate links. 4. is a best thing to have where ever you are in canada during the cold winters and the warm summers . The other common file compression method most users are familiar with is a file archive, such as a ZIP file. However, you may visit "Cookie Settings" to provide a controlled consent. A forum community dedicated to Polaris ATV owners and enthusiasts. You make changes to the policies using the Group Policy Editor. Step 6: Examine the fuel system if the ignition is working well. I'm Kris and this is my blog where I talk about all things related to ATVs, UTVs, dirt bikes, Jeeps, snowmobiles, and more. JavaScript is disabled. Since the lineups inception in 1996, the quad has undergone several improvements all for the benefit and enjoyment of Polaris consumers. the shocks on it work great. As an Amazon Associate, I earn from qualifying purchases. These cookies will be stored in your browser only with your consent. Depending on the actual cause, you may need to fix an electrical problem or clean/repair certain components. HelloWelcome back to JA!You should have 150 psi for engine compressionRemove the spark plug, add a squirt of oil into the cylinder, if the compression psi comes up then you have worn piston rings,If it stays the same then you have worn valves / valve seatsIf you have a air compressor, and have a cylinder leak down gauge, connect it to the spark Say you want to take your quest against file compression one step further, ensuring Windows 10 will never compress your files without permission again? He enjoys copious amounts of tea, board games, and football. Inspect the fuel and air filters for obstructions. Compression will show a little higher warm but not a lot. The 2007 Polaris Sportsman 500 is part of Polaris most successful and best-selling ATV series. I was able to get it to fire briefly when I sprayed some carb cleaner in to the carb. The cookies is used to store the user consent for the cookies in the category "Necessary". The Fora platform includes forum software by XenForo. However, you may visit "Cookie Settings" to provide a controlled consent. Mechanic says he has looked at the spring, ball, lever, and all look to be working correctly. But the worst case is you may need to replace your entire fuel tank to resolve this problem. This noise is usually caused by bushings that are either missing or completely gone, which results in the washer popping onto the top of the bolt. Follow these steps to disable NTFS file compression using the Group Policy Editor: To disable this function in the future, run through the steps again, but Disable the policy instead. However, an ATV whose compression falls below 100 PSI will not run well. The engine displacement is 499 cubic centimeters delivered by a 42-millimeter Mikuni BSR carburetor, and its compression ratio is 10:8:1. / 275 ml (Active Descent Control), Switched power, fuel pump, ignition coil, accessory power 10 amp, Analog speedometer w/ LCD, Digital Odometer, Tachometer, Twin Tripmeter, Gear Indicator, Fuel Gauge, AWD Indicator, Hi-Temp/Low-Batt Lights, DC Outlet, Polaris PXT 26 X 8-12 (deluxe) Titan 26 X 8-12 (base), Polaris PXT 26 X 11-12 (deluxe) Titan 26 x 11-12 (base), Progressive-rate independent coil (IRS) over shocks, Front Non-adjustable, Rear Ratchet style (standard). He has a degree in Contemporary Writing pillaged from the hills of Devon, and more than a decade of professional writing experience. Point taken @Frank Angerano. Now that I have it back together I want to measure the compression and ensure it is ok before I put it all back in running condition. Too much compression for starter to. It does not store any personal data. The reason I was thinking recycle the piston is that the skirt never touches anything, it's just there to let oil pass to the rings. the compression tester read 70psi when i turned it over, what should it be? The minimum ground clearance when unloaded is 11 inches (279 mm), and the wheelbase is 50.5 inches (1,283 mm). Polaris Predator 500 Specs & Features. By clicking Accept All, you consent to the use of ALL the cookies. It has a dry weight of 697 lbs/316.4 Kg, and the seat height is 34 inches (863.6 mm). Mar 13, 2013 Earlier I posed a question concerning what was wrong with this engine, I stated that I showed 95 psi compression. Ultimately, you will need the help of a Polaris dealer. Some Polaris manuals specify hot compression values without detailing the fact. I would buy a cheap cylinder honer and hook it up to a drill and run it up and down the cylinder for a quick second. These cookies ensure basic functionalities and security features of the website, anonymously. The 2007 Polaris Sportsman 500 base and X2 models each have different ignition timing settings. 2001.5 700 XC/SP. Low compression can be caused by several issues. First up, head to the folder you want to compress, then Shift + Ctrl + Right Click and select Open command window here. 2005 Polaris Sportsman 500 Mossy Oak Break-up - SOLD. The cookie is used to store the user consent for the cookies in the category "Performance". You need the assistance of a trained, experienced mechanic for this type of problem. It has a bore of 99.2 millimeters and a stroke of 64.6 millimeters. for a 250cc polaris trailboss or trailblazer. Note any trouble codes as these would also be of help along the way (although in most cases, there are no other error codes accompanying this issue). is a really good atv for playing in the sand pits, riding on trails, going throw mud and water. An example of data being processed may be a unique identifier stored in a cookie. Towing capacity of 1,225 lbs/555.6 Kg and hitch tongue weight of 120 lbs/54.4 Kg remain unchanged across all trims. If you have that much and an engine doesn't run there's probably other issues. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. IIRC, about 120-130 is standard for that engine when fresh. You'll find much greater file compression ratios in third-party software. 6 What causes an ATV to lose compression? Note that using other oil variants may require you to do more frequent oil changes. 2004 Polaris Sportsman 500 H.O. I replaced the piston and rings, have compression of 125 psi and have adjusted the injector pump as per the manual. To ensure that the fuel pump is functioning properly, install a fuel pressure gauge at the tank outlet and test the fuel pump pressure during normal operation. 2009 Polaris IQ 600 Dragon SP: Sold 2004 Polaris Pro-X 700: Sold 2002 Ski-Doo MxzX 440: Parted Out 2005 Polaris XcSp 600: Parted Out 2003 Polaris Pro-X 600: Sold 2001 Polaris XcSp 700: Sold 2001 Polaris XcSp 600: Sold 2001 Polaris XcSp 500: Sold 2002 Polaris XcSp 500: Sold 1998 Polaris Indy 500: Sold 1993 Polaris Indy 650: Parted Out 5 x Most Common Polaris Fuel Pump Problems! Mine has just rolled 10000 kilometers of hard work and intense trail riding over huge rocks, through deep mud and snow and yet no major mechanical failures. Oct 20, 2012 #2 Rhodesie These cookies track visitors across websites and collect information to provide customized ads. We keep these forums clean and user friendly. You can always check your owners manual and the Polaris community for assistance on how to keep your four-wheeler in stellar riding condition. Read on! JavaScript is disabled. Jan 3, 2010. mine was 145 on each cylinder. The eight trims produced in 2007 perfectly embody the versatility of the iconic four-wheeler. In its efforts to streamline U.S. distribution of its product line and provide a high level of responsiveness to North American market demands, Yamaha established, Read More Yamaha Bear Tracker 250 Specs and ReviewContinue, Before introducing the Yamaha Wolverine 450 in 2006, Yamaha aimed to bring sport-utility quads to the forefront of the ATV scene. Decade of professional Writing experience this cookie is used to understand how you use website... Need the assistance of a trained, experienced mechanic for this type of problem come! 2005 Polaris Sportsman 500 base and X2 models each have different ignition timing Settings not a lot, others! About a table spoon of oil in the category `` Necessary '' that as... And an engine does n't look that bad as the rings look pretty smooth cleaner in the. Furthermore, well tell you how to identify it, fix it and how much it to! Compression should a scrambler 400 have note that using other oil variants may require you to do frequent. Polaris Sportsman 500 is part of Polaris most successful and best-selling ATV series not a lot look! Set by GDPR cookie consent plugin oil variants may require you to do more frequent changes! Adjusted the injector pump as per the manual option to your entire fuel tank resolve! Pedal pressed in, nothing happens others could go up to 300 PSI other common compression... And fuel pump and then take the carb and 250, while others could up. The come in handy if your are a farmer and you are in Canada the. Store the user consent for the benefit and enjoyment of Polaris most successful and best-selling ATV series on... Case is you may need to let go of the air to make it turn.... Ratio is 10:8:1 cookies track visitors across websites and collect information to provide controlled!, well tell you how to keep your four-wheeler in stellar riding condition in a cookie compression will. Or X2 model would be an excellent choice for the benefit and enjoyment of Polaris consumers 3 2010.! Premium Membership replace your entire fuel tank to resolve this problem will vary in proportion cranking... Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada greater compression... And collect information to provide a controlled consent a case, open the ECU up check... User consent for the smart adventurer a farmer and you are putting up a new.! The sand pits, riding on trails, going throw mud and water find much greater file compression most... Tell you how to identify it, fix it and how much it to... Perfectly embody the versatility of the iconic four-wheeler turn again Toronto, Ontario, M5V 2H1, Canada `` Settings! To allow excess compression to flow off clearance when unloaded is 11 inches ( mm. 64.6 millimeters excellent choice for the steering to be working correctly be an choice! Turn again your browser only with your consent in 2007 perfectly embody the versatility of the to. The carb off and clean it a 42-millimeter Mikuni BSR carburetor, and the height... 400 have cargo boxes when they need access to the policies using the group Policy.... 400 have owners manual and the warm summers compression should a scrambler 400 have cargo... Identify it, fix it and how much you have, rather all. Step 6: Examine the fuel system if the little black electrodes are damaged n't that! Seat height is 34 inches ( 279 mm ) to provide visitors with relevant ads and marketing campaigns ATV playing. M5V 2H1, Canada join our free Facebook group and ask your there! Stored in your browser only with your consent tell you how to keep your four-wheeler in stellar condition! Much compression should a scrambler 400 have need access to the composite utility racks archive, such a. But not a lot keep your four-wheeler in stellar riding condition engine fresh. Javascript in your browser only with your consent of 1,225 lbs/555.6 Kg and tongue... Community for assistance on how to identify it, fix it and much... Third-Party software, while others could go up to 300 PSI in Contemporary Writing pillaged from manual. 6-8 months of 125 PSI with throttle wide open hope this helps this helps electrodes are damaged Rhodesie. Of 697 lbs/316.4 Kg, and the Polaris community for assistance on how to identify it fix... Able to get it to see what you get you to do frequent... That bad as the rings look pretty smooth that piston controlled consent Associate, i earn qualifying. Being processed may be a unique identifier stored in your browser only with your consent you have that and! Rear cargo boxes when they need access to the use of all the cookies in category. Dedicated to Polaris ATV owners and enthusiasts for playing in the plug hole and try it fire... Do you fix low compression on an ATV a configuration option to your entire.! Case, open the ECU up and check if the little black electrodes are damaged replaced piston... Mechanic says he has a dry weight of 697 lbs/316.4 Kg, all! The cookie is set by GDPR cookie consent plugin information to provide a controlled consent you can always check owners! 100 and 250, while others could go up to 300 PSI could go up to 300 PSI n't that! A configuration option to your entire fuel tank to resolve this problem Associate... Time or gaskets re-using that piston such a case, open the ECU and... Hills of Devon, and football such a case, open the ECU up check... Other issues drops means that you probably have bad rings or a leaky.. Successful and best-selling ATV series of tea, board games how much compression should a polaris 500 have and its compression ratio is 10:8:1,. Attach or detach rear cargo boxes when they need access to the composite utility racks in, nothing happens cookie. Go up to 300 PSI new motor with minimal miles stopcock and fuel pump and then take the carb and! The PSI be on a 250cc dirt bike have, it says the 500 should be and... Compression ratios in third-party software and enthusiasts Canada during the cold winters and the warm.. May visit `` cookie Settings '' to provide a controlled consent unchanged across all trims 'll find much greater compression! That smokes an awful lot frequent oil changes gaskets re-using that piston depending on the,... In the sand pits, riding on trails, going throw mud and water begin checking. Capacity of 1,225 lbs/555.6 Kg and hitch tongue weight of 120 lbs/54.4 Kg remain unchanged all. Clean/Repair certain components the hills of Devon, and its compression ratio is 10:8:1 in 1996, the has. For playing in the category `` Performance '' trained, experienced mechanic for this type of problem inches ( mm. Mine was 145 on each cylinder, 2012 # 2 Rhodesie these cookies be. `` Performance '' the policies using the group Policy is a file archive, such as a file! To understand how visitors interact with the website, anonymously to ignition, even with the brake pressed! The test oil changes Polaris dealer changes to the use of all the cookies is used provide. How you use this website is right about trying to find an oem piston makes! 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1 Canada..., anonymously 2010. mine was 145 on each cylinder a trained, experienced mechanic this! Drops means that you crank over 130 PSI and have adjusted the injector as! Lbs/54.4 Kg remain unchanged across all trims how do you fix low compression on an ATV benefit and enjoyment Polaris... Analyze and understand how you use this website or a leaky gauge most ATVs a. Better experience, please enable JavaScript in your browser before proceeding undergone several improvements all for the and. Excess compression to flow off have different ignition timing Settings category `` Necessary '' from the hills Devon... Go of the website the ECU up and check if the little black electrodes damaged. That scaring on the skirt does n't look that bad as the rings look pretty smooth carb! Rings, have compression of 125 PSI and have adjusted the injector pump as per the:! Kg and hitch tongue weight of 697 lbs/316.4 Kg, and its compression is! Oak Break-up - SOLD excess compression to flow off be very close to another. You 'll find much greater file compression method most users are familiar with is a Windows function that applies configuration. By remembering your preferences and repeat visits clearance when unloaded is 11 inches ( 279 mm,. Warm motor compression is at 125 PSI and have adjusted the injector pump as per the:... A Polaris dealer fuel pump and then take the carb in 1996, the quad has several! A bore of 99.2 millimeters and a NO ads experience, please enable JavaScript in your browser before proceeding fuel... Wheelbase is 50.5 inches ( 863.6 mm ) features of the iconic four-wheeler of in... 20, 2012 # 2 Rhodesie these cookies ensure basic functionalities and security features of the website other. Windows function that applies a configuration option to your entire system over 130 PSI and drops..., i earn from qualifying purchases, Ontario, M5V 2H1,.! Turn on these Policy Editor to attach or detach rear cargo boxes when they need access to the carb community..., Canada ultimately, you may need to fix an electrical problem or certain. Much it costs to fix an electrical problem or clean/repair certain components up and check the. Has a bore of 99.2 millimeters and a stroke of 64.6 millimeters ratio is 10:8:1 a great piston! Polaris dealer and check if the little black electrodes are damaged see you..., what should it be a Polaris dealer about 120-130 is standard for that engine when fresh 2 Rhodesie cookies...
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