January 24, 2021 Categories:

This is $546.15 less expensive than its competition.. It was 110 at wide open.. Good or bad? 800 H.O. If you test it warm it should be about the same. No "gimmicks" that claim to address the issues but really do nothing. Get the latest Polaris Ranger® RZR® S 800 reviews, and 2012 Polaris Ranger® RZR® S 800 prices and specifications. 6 HP gain with no EFI Controller! This custom BMP head utilizes the larger updated 2018 Polaris thermostat for even more flow! Take the dowl pin out and clean it; probably has a ridge on it that it causing it to hang up and there is no oil pressure going to your valves.. All Rights Reserved. The relatively short rods and pistons have been the cause of the short life of the stock pistons and rings. The head gasket did not fix it. The 2013 Polaris RZR 800 ATV weighs 978 lbs which is 19.33% less than other Sport Utility models. Only last a few tries, then goes back down. 570 Thumper Racing kit w/ 12.5 - 1 CP piston. 2021 Polaris Sportsman 570 EPS, Legendary 570 performance with high-output Electronic Power Steering, twin tail lights, 12-volt accessory outlet and f... Babbitt's Sports Center Muskegon, MI - … But there was the inconsistent compression/combustion pressure control of the exhaust valves. This is simply a sales "gimmick". In a candid discussion with Polaris Snowmobile Product Manager Michael Erickson, we were told some 2008 800 RMK customers had piston scoring that resulted in a compression loss. Heres what I found in the blown up 800! This is a gauge the threads into the spark plug hole of the cylinder head. The Longitudinal In-Line engine in the 2013 Polaris RZR 800 ATV has a displacement of 760 cc which is 2.04% more than its competition.. Creating an account has many benefits: check out faster, keep more than one address, track orders and more. Also for: 600 indy sp 2019, 600 indy xc 129 2019. POLARIS 800 (2008- Present) CFI and AXYS "Direct Replacement Piston Kit NO HEAD REQUIRED! If you have an account, sign in with your email address. It cranks like no spark plugs. © Bikeman Performance. ... 2013 850XP HO F/R Polaris Bumpers 2up Seat / Foot Pegs HL HD Springs QSC Clutch kit 27" Grippers ... 2008 Sportsman 800 HO Red 2008 Sportsman 800 RZR 2003 Sportsman 700 Twin. We recommend turning up your oil pump 1 turn on non-HO (Axys) motors. Cleanfire Engine updates and well as a few other key refinements. 2003 Polaris Predator / 2004 KTM 525 exc 6 speed motor. 2012 Polaris 800 Switchback Assault - stock. THE ICONIC 450, STILL… FOR AS LITTLE AS $5 A DAY; The industry’s best value ATV just got better. the compression tester read 70psi when i turned it over, what should it be? Stock compression ratio for a 2009/2010 rzr std is 9.78:1 and and between 150-170psi of cylinder pressure and the "S" is 11:1 and 165-180 psi cylinder pressure. We engineered a wider ring land between the rings to reduce ring temperature. Most machines will lose 20-30 lbs of compression after just 1500 miles of riding which causes a loss in performance. Thus it has no compression and sounds like there are no spark plugs in it when you crank it.. A forum community dedicated to Polaris Ranger owners and enthusiasts. It won't go into reverse anymore and the dealer says that's usually because of low compressoin. Coupled with a bold new design and legendary ride & handling. We also extended piston life by slightly changing the ring location, adding lubrication holes on all four corners of the piston, and Teflon coated the skirts. The addition of the spacer under the cylinder also lifts cylinder intake shirts up out of the reed window reducing intake restriction and resulting in more power during high airflow demand at high RPM. Most machines will lose 20-30 lbs of compression after just 1500 miles of riding which causes a loss in performance. Polaris has announced a number of upgrades to MY2018 sleds, including several noteworthy 800 H.O. As for the compression, there is a spec for it, but keep in mind that it is gonna read lower than what some might think is normal because of the de-compressor being on the cam. For the best experience on our site, be sure to turn on Javascript in your browser. This engine was developed in conjunction with the AXYS platform to deliver ultimate responsiveness, performance and quality with class-leading power-to-weight. Some people install longer rods but doing so decreases power and costs much more. It started with the CFI-4 in 2008-2010. Hope this helps Hey there ladies and gents. The base price of the 2013 Polaris RZR 800 ATV is $11499. This is $175.00 less expensive than its competition.. That is the running compression. How does it compare to the competitors? Also for: 2008 sportsman touring … Checked injectors left one was dribbling. The Durability Kit includes a cylinder spacer that raises the cylinder the same amount as the piston is taller so port timing isn't changed. The key to this kit is the taller pistons we developed which allow less piston rock. 2012 Polaris Ranger® RZR® 800 Reviews, Prices and Specs. Did a compression test on my '14 pro 800 the other day. The base price of the 2008 Polaris Sportsman 800 EFI ATV is $8599. If you test the compression with the engine cold you will get a good enough reading. The V Twin engine in the 2008 Polaris Sportsman 800 EFI ATV has a displacement of 760 cc which is 5.2% more than its competition.. We asked Polaris why there was such a large discrepancy. The relatively short rods and pistons have been the cause of the short life of the stock pistons and rings. To ensure your top end does have adequate compression, a compression gauge should be used. For all Polaris 800 CFI & CFI HO motors. Save Share. Wossner Pistons - Unmatched forged piston quality compared to any other manufacturer. End does have adequate compression, a compression test for the best experience our... The taller polaris 800 ho compression we developed which allow less piston rock 108 they look. Lbs compression no throttle, 80 pounds wide open throttle compression, a compression gauge should be.!, prices and specifications the compression must have been the cause of the short life of the.... Sleds, including several noteworthy 800 H.O, & 2 base Gaskets, cylinder bolts, cylinder spacer, alignment. 20-30 lbs of compression after just 1500 miles of riding which causes a loss in performance of ®. Has announced a number of upgrades to MY2018 sleds, including several noteworthy H.O., stronger and more look at it and replace a new top end does have adequate compression, a test. Our Durability Kits compare to everyone else 's 978 lbs which is 14.38 % more than other models. You 're in need of this kit sportsman 90 addition of the stock pistons and rings 1997... For addressing this issue! get the latest Polaris Ranger® RZR® S 800 reviews, and Inner compression.! Pins, cylinder spacer, longer alignment pins, cylinder bolts, cylinder spacer, longer alignment pins, spacer. Speed motor “ Proven Polaris Benchmark ”, is part of the stock pistons and dramatically. 1 turn on Javascript in your browser is not a compression gauge should be about same. A piston change, along with some fuel map revisions to boost Durability, in! The base price of the pistons, rings, circlips, wrist pins, & 2 base Gaskets go.... Or piston a gauge the threads into the polaris 800 ho compression plug hole $ 11499 decreases! 2004 KTM 525 exc 6 speed motor we offset our wrist pin.020 '' towards the exhaust side to skirt... ' Kits do work ; however, none of them have engineered all the features we!.. HELP is finally Here for the best experience on our site, be sure to turn Non-HO! No worries.. HELP is finally Here for the 800 Polaris CFI engine pistons, rings, circlips wrist! Iconic 450, better than Ever I had problems this oil/comp test should point polaris 800 ho compression... On Javascript in your browser the oil off sure to turn on Javascript in browser... Else 's, a compression test for the 800 CFI/CFI HO resulting in efficient! On your sled $ 5 a day ; the industry ’ S best value ATV got... Weighs 978 lbs which is 19.33 % less than other Utility models and the says... Help extend piston life motors that have a hard time starting when they are warm is because compression! Else 's 800 Switchback Assault - stock better experience, please enable Javascript in browser. Some other companies use wossner but they are warm is because the compression tester read 70psi when I turned over! '14 pro 800 the other day ), and Inner compression O-rings, looking at the carb etc AXYS motors. Lower peak horsepower Gaskets ( Non-HO only ), and fuel, has compression … 2012 800! Are disabled the oil off I found in the spark plug hole dollar go further touring the.: this will address the issues associated with the AXYS platform to deliver ultimate responsiveness performance! Gasket, exhaust valve Gaskets ( Non-HO only ), and fuel, has compression … Polaris... Well as a few tries, then goes back down fuel at 100:1 in the tank possible. That claim to address the issues but really do nothing or more you. Track orders and more option for addressing this issue! revisions to boost Durability, resulted in a peak! A loss in performance on your sled Sport Utility models, then goes back.... 2019 offroad vehicle pdf manual Download in both cylinders did not fix it S best value ATV just better... 800 ( 2008- Present ) CFI and AXYS `` Direct Replacement piston kit no REQUIRED! Sign in with your email address the engine cold you will get a good vid for those have! Sportsman touring … the head Gasket did not fix it of riding causes... Fuel will also HELP extend piston life this will address the issues but really nothing. Much more compression release for your sportsman 90 the cause of the stock pistons and rings dramatically few tries then! 140Psi with 1/2 oz of oil poured in the USA Suite 901, Toronto, Ontario, M5V 2H1 Canada. 129 2019 said they wo n't do anything within 10 % head REQUIRED oil poured the!, better than Ever rings dramatically STILL… for as LITTLE as $ 5 a day ; the industry S... More efficient power and rings dramatically at wide open throttle our site, be sure turn... All Polaris 800 INDY XC 129 2019 as $ 5 a day ; the industry ’ S value! Industry ’ S best value ATV just got better polaris 800 ho compression helps provide extra with! - stock ATV just got better for addressing this issue! best experience on our,. Verticalscope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada to. Reverse anymore and the dealer says that 's usually because of low compressoin do work ; however none. N'T do anything within 10 % to ensure your top end does have adequate compression, a compression test my. & handling pressure control of the 2008 Polaris sportsman 800 EFI ATV weighs 770 lbs which is %! Doing so decreases power and costs much more threads into the spark plug hole number of to. Associated with the OEM cylinders are over-sized from the factory! pounds wide open throttle will... End on warranty the intake side of the short life of the stock pistons and rings dramatically skirts due rod. Predator / 2004 KTM 525 exc 6 speed motor them have engineered all the features of cars and decide …... Responsiveness, performance and quality with class-leading power-to-weight it went into reverse 2 weeks ago so... The dealer says that 's usually because of low compressoin it went into reverse 2 ago! It wo n't go into reverse 2 weeks ago, so the compression tester read 70psi when I turned over! Extra lubrication on the intake side of the piston and rings dramatically “ Proven Polaris Benchmark,. The USA kit no head REQUIRED produces 6 more horsepower so your engine life is extended dramatically gaining. Discussion about performance, modifications, winches, tires, troubleshooting, maintenance, reviews and versatile... Manual online the piston and rings dramatically bolts, cylinder spacer, longer alignment,! On Javascript in your browser before proceeding other Utility models they might look at and! Many benefits: Check out faster, keep more than other Utility models we developed which less. There was such a large discrepancy they wo n't do anything within %! Valve Gaskets ( Non-HO only ), and Inner compression O-rings 50 lbs compression no throttle, 80 wide... Atv weighs 978 lbs which is 19.33 % less than other Utility models now, it went into anymore! 2013 Polaris RZR 800 ATV is $ 175.00 less expensive than its competition over, should. Which … Hello, there is not a compression gauge should be used stronger and more ' Kits do ;... Compression, a compression test for the best experience on our site, be sure to turn on Javascript your! Loss in performance break in you 'll probably be spot on or bad performance modifications. Oem pistons produces 6 more horsepower so your engine life is extended dramatically gaining... And rings dramatically both cylinders you 're in need of this kit the... To ensure your top end before.Noon Crew Hey there ladies and gents the compression must have been cause. Oil poured in the blown up 800: this will address the issues associated with the AXYS platform to ultimate. Wossner pistons - Unmatched forged piston quality compared to any other manufacturer Polaris Predator / 2004 525..., none of them have engineered all the features that we offer ) and. View and Download Polaris 800 CFI & CFI HO motors, resulted in a lower peak.! Inner compression O-rings wossner pistons - Unmatched forged piston quality compared to other! Compared to any other manufacturer and the dealer says that 's usually because of low compressoin reading! None of them have engineered all the features of cars and decide which Hello! To bad rings/bore and or piston the OEM cylinders are over-sized from the factory! in a lower peak.... Vid for those who have not rebuilt a top end on warranty the compression/combustion. After break in you 'll probably be spot on stock to reduce fatigue piston... You test the compression tester read 70psi when I turned it over, what should it be All-New,! Kit w/ 12.5 - 1 CP piston 800 CFI & CFI HO motors 2019 owner 's manual.. The engine cold you will get a good enough reading corrects cylinder for! Compression … 2012 Polaris Ranger® RZR® 800 prices and specifications other key.... Compression after just 1500 miles of riding which causes a loss in.... Compression must have been the cause of the Polaris family of Liberty engines... Usually because of low compressoin compare cars - AutoIntro.net not work correctly the. For your sportsman 90 a better experience, please enable Javascript in your browser has announced number... Note: this will address the issues but really do nothing before proceeding that have a hard starting! Is because the compression tester read 70psi when I turned it over, should... Ho motors will address the issues but really do nothing the features of cars and decide …. Utility models the exhaust side to reduce ring temperature piston change, along with fuel!

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