", "Did a RZR 900 to 1000 conversion and Scott was able to spec all the correct parts including some key upgrades to make the power I was looking for. SKU:VI5174223.. Ir al contenido. Other companies use Wossner but they are not the same design as ours. If running 0-5000' you must run an SLP Reflash Tuner Part #70-800. Complement the outstanding performance of your sled's 800 Cleanfire engine with the convenience of electric start. For this reason, adding extra lubrication with the fuel will also help extend piston life. (14.5 lbs on RMK, RMK Assault and SKS models) and provides an additional 12.4 horsepower increase over stock. The Stage 3 package from SLP is a solid setup for any natural aspiration snowmobile enthusiast! real person to place the order or ask any questions while rebuilding your engine. Good luck finding that these days. 2017+ Polaris RZR-XP1000/XP4-1000 & RS-1 Spring Kits $860 2014-2016 Polaris RZR XP1000/XP4-1000 Spring/Crossover Kit $860 Polaris Turbo-S Shock Upgrade $2,200 SLED SHOCKS View all Polaris Snowmobile Shocks From $250 Velocity Series From $425 WALKER LINKS - SET OF 2 $405.00 Quantity Add to Cart Full details Share NEW LEGEND II UTV WHEELS NEW APPAREL Home Products Polaris 2016-2018 Polaris Axys 800 Master Engine Motor Rebuild Kit. No fueling changes required above 5000. Awesome Dan! If you are ordering cheater heads, we will need to have your OEM heads to make the modifications. Sponsored. This Fly Blitz Jacket with Speedwerx Logos is guaranteed to make anyone look good! DE. NOTE: This REV 2 kit WILL require a fuel controller (Boondocker OR Power Commander) AND will require aftermarket reeds (Boyesen or Vforce) AT any elevation BELOW 3500ft. Reliability is NOT compromised in any way, shape, or form and the cost is VERY affordable. This allows the engine to produce more power and rev quicker. The added crankcase volume even produces 6 more horsepower so your engine life is extended dramatically while gaining power at the same time. Location: Minneapolis, Minnesota, US, Polaris Patriot 850 Dual Ring Direct Replacement Pistons, RKTTop end gasket kitis comprised of the Base Gasket, Y -Pipe Gasket, Exhaust Valve Gaskets (Non-HO ONLY), and Inner Compression O-rings. Have a good one man. I found some cheaper spares they're made by Panasonic got them thru digikey.ca. Brand new HPR PTO crankshaft end for all 2015-2019 Polaris 800 AXYS 324358275021. POLARIS 800 AXYS CFI ENGINE DURABILITY REBUILD KIT W/ CRANKSHAFT 2016-18. Good work!!!! HPR CRANKSHAFT PTO End 15-19 Polaris AXYS CFI 800 600R Race Sled Rush Pro X RMK - EUR 179,06. $8,100.00 2016 POLARIS PRO RMK AXYS 800 163" 2.6" Strathcona County 07/02/2023 Complete with everything you need to get on snow. The key to this kit is the taller pistons we developed which allow less piston rock. Please note: Most parts are now available for purchase online, but as always you can also purchase them at your local dealership. Las mejores ofertas para PRIMARY DRIVE CLUTCH REBUILD KIT BUSHINGS POLARIS INDY RMK 600 700 800 850 900 estn en eBay Compara precios y caractersticas de productos nuevos y usados Muchos artculos con envo gratis! The kits come complete with a very precise baseline that rarely needs to be changed. This kit is the Real Deal. Our inspections show that the stock piston has several "short-comings" that can lead to failure. They are also lighter than the OEM Piston and that will help with the acceleration from a stop. No core, no problem. thermostat, OE oiling check valves, Enough tubing to replace all the oil lines with premium grade non- MCB Stage Kits - Customers asked and we responded with Quality and Value. Phone: 250-769-4702 Name* Email* Comments Security Code* Send To A Friend Recommend this product to friends by entering up to four email addresses. The spacer plate is made from precision ground aluminum which we nickel plate. Polaris PRO-R Drop In Kit 2011-2015 CFI 800. learn more, 801-489-8697 See the "HG7 cylinder finish" section to the right for more details on why you should want the HG7 finish. If you have an account, sign in with your email address. Killer parts, always goes together well and their Tech is the best!". $109.97. The Pro R is a pain. The RK Tek Pistons address this issue 100%! MCB Performance has expanded our Stage Engine Kits to now include POLARIS! What would be the difference between the OEM pistons for that motor and the axys pistons? POLARIS 800 CFI-2, CFI-4COMPLETE ENGINE DURABILITY REBUILD KIT2016-2018800 Axys, 800 Dragon, 800 323454969454 OE seals. Genuine MCB Stage-2 rebuild kit for ALL 2013-2020 Polaris 800's. Stage 2 includes: - Completely remanufactured crankshaft with all new components, bearings, new pump drive gear and seals. The pistons come with new wrist pins and c-clips. I am having flash backs of the 90's with your long post and good info Hahahaha. Good seller with good positive feedback and good amount of ratings. Copyright 2023 MCB Performance. Monday-Friday TOP END OVERHAUL. Even when brought up to 4500-5500 rpm the temp would slowly climb to 140F. NO GIMMICKS HERE! 82 sold. Free shipping for many products! Sled rips, turbo kit has been flawless. ALL other kits out there REMOVE lower skirt support by shimming the cylinder up. Because we are all about reliability, we make sure all 2015 cylinders get the threaded water passage just like the 2016 and up! Free shipping. How does it compare to the competitors? Trued and inde Best engine rebuild kit Polaris 800 Rush, RMK, Pro-R, RMK Pro, Switchback assault. 4300km on mine before it needed a rebuild. This piston WILL address the issues associated with the OEM Piston! Yes, that's right, RK Tek draws results from "real world" testing, 1245 Industrial Park Rd.Preston, ID 83263 Phone: 208-852-3221, Copyright 2017 RK Tek - All Rights ReservedCreated by Mountain West Web Design. The REAL issue is that the OEM piston does not REMAIN in spec after use. For the "Cheater Head" option none of this applies. I put 9K miles on my '12, replaced pistons (aftermarket replacement for OEM, not durability kit) once along the way. NOTE: This will address the issues associated with the OEM pistons! The RK Tek Pistons were a full 27 grams lighter and exactly the same weight to the gram. Who has the best top end kit for the Polaris 800's - asking for a friend, not joking around (for a change). NOTE:RKTTop end gasket kitis comprised of the Base Gasket, Y -Pipe Gasket, Exhaust Valve Gaskets (Non-HO ONLY), and Inner Compression O-rings. Polaris Axys RMK 800 turbo kit. Mine had a fix it kit when I got it at ~1800 miles. FOR SALE! TOP END OVERHAUL. Two kits are offered. (on 2011-2012 800 CFI Engines (Rev 1 Kit only), Fuel controller required on the 2013-Newer and ALL REV-2 Drop In Kits ), These Kits work EXCELLENT on the CFI-4 engines . Stage 4 - This is MCB's most complete kit and comes with all of Stage 3 plus the following, OE Type. For the best experience on our site, be sure to turn on Javascript in your browser. Group 1 - cast OEM Polaris factory Pistons Group 2 - cast SPI factory import copy Group 3 - cast SPX factory import copy Group 4 - cast Kimpex factory import copy Group 5 - cast OEM Arctic 800 converted for Polaris Group 6 - cast prox factory copy US $239.98 2015 SwitchBack 600 Adventure 2016 SwitchBack 800 Adventure 2015 SwitchBack 600 Pro S SKU# 2881055 2016 SwitchBack 600 Pro S Backcountry riding is about finding deep snow and carving your own path. For a better experience, please enable JavaScript in your browser before proceeding. Made in America Custom Built Polaris 850/9R Complete Crankshafts. It may not display this or other websites correctly. If your vehicle is currently supported with online ordering, you will be redirected to the brand specific website. Carburetor Repair Kit's; Used Snowmobile Parts; Used Dirt Bike Parts; Used ATV Parts; Tools; Other; Seller feedback (215) a***c (810) - Feedback left by buyer a***c . Engine Kits are designed and assembled by our Master engine technicians Browse parts by selecting your vehicle type. Due to the added case volume, you will see a 2-3 HP gain! in the works. RK Tek sets itself apart from other performance shops by testing its products in the best lab in the world - the great outdoors. There is no RPM change with this kit. Monday-Friday LOOKING fine and MEASURING fine are 2 VERY different things.. You MUST MEASURE the piston in order to determine if the piston is "GOOD". Yes, this piston is much lighter than the OEM piston and having a lighter piston will reduce piston side load pressures AND reduce the stress on the crank! Brand New. EPI Clutch Kits and Drive Belts are the #1 aftermarket choice by more dealers, racers and enthusiasts. stock reeds work fine but the aftermarket reed systems will work better! No core, no problem. These new pistons are made from stronger alloy to reduce skirt collapse over time. Just need a muffler and clutching and your good to go. "Real people with real experience and Professional! We have measured 100's of these cylinders and NONE of them have been out of spec! $721.04. It is SOLELY related to excessive piston to cylinder wall clearance! These gaskets are not part of the piston ONLY kit but are available in the options. We offset our wrist pin .020" towards the exhaust side to reduce skirt loading during the power stroke. Total price: Add all three to Cart. Polaris Rear Bumper 2016-2022 AXYS 600 / 800 / 850 RMK 155/163 / RMK Assault / SKS 155. Limited quantities available - Please call MTNTK Performance to order 1-208-652-0122. We've been in business for almost 30 years developing world-class CVT Clutch Kits. All Rights Reserved. We also have found that the ,annoying, low RPM vibration (handle-bar "death shake") is gone with the install of these pistons. This package features a SLP Single Pipe Set and SLP Power Dome Billet Heads and an SLP Reflash Box (for elevations below 5000 only). 2016 2017 2018 Polaris 800 Piston kit Switchback Pro RMK fix it durability kit (0) Reviews: Write first review SKU: 23430220 CYLINDER IS OPTIONAL THIS KIT INCLUDES FORGED MCB DUAL RING PISTONS! The REAL "HELP" will come in the form of 2 Custom Pistons and a Custom Head that will completely transform your engine into what it should have been from the Factory! Snowmobile Product L-R. Running Boards-Airframe. The kit comes with two new Teflon coated pistons, rings, wrist pins, circlips, longer cylinder bolts, our machined spacer, longer dowel pins, and two base gaskets. Besides the skill and experience, it takes a lot of balls to "personally" warranty any motor for 3yrs in this sport. The MTNTK "FIX KIT" or "DURABILITY KIT" is the proven solution to the piston failure that is common in the 2008 to 2014 POLARIS 800 engine. For the best experience on our site, be sure to turn on Javascript in your browser. - Completely remanufactured crankshaft with all new components, bearings, new drive gear and seals. We have streamlined these kits now so that there are 4 options that are very user friendly: Genuine MCB Stage-2 rebuild kit for Polaris 850 Patriot motor. The spacer plate is made from precision ground aluminum which we nickel plate. Learn more sku:RZRXPP CNC machined from 6061 billet aluminum. PRIMARY DRIVE CLUTCH REBUILD KIT WITH BUSHINGS POLARIS AXYS RMK 600-850 11-20. Turbosmart. These gaskets are not part of the piston ONLY kit but are available in the options. hardening line, a tube of very specific case sealant, and full instructions including torque values and ______________________________________________________________________________________. US $239.98. New. Bikeman Performance. This kit reduces weight by 13 lbs. Stage 2 includes: POLARIS 800 CFI-2, CFI-4 COMPLETE ENGINE DURABILITY REBUILD KIT 2016-2018 800 Axys, 800 Dragon, 800 Assult, 800 RMK Hassle Free, Helping you SAVE MONEY and TIME!! EPI also offers high quality replacement driveline parts such as Axles, U-Joints, CV Joints, Front End and Suspension parts, Brakes and more. Our engine durability kit was designed to last. , For over 2 years, I have been purchasing snowmobile engine parts and accessories from your company, MCB Performance. When I replaced the stock ones, they were due - skirt clearance was at limit, some ring flaking. Engine Type: Liberty Displacement: 795 cc Bore x Stroke: 85 x 70 mm Cylinders: 2 Engine Cooling: Liquid with Bypass Carburetion: 2 Cleanfire Injection Ignition: . Seller 99.7% positive. AXYS 800 H.O. We believe in these kits and recommend them along with using in our own machines . Sold Out. The RK Tek Pistons were a full 27 grams lighter and exactly the same weight to the gram. Quantity. This kit REQUIRES a core cylinder from you. NOTE: ALL pistons come with Rings, Wrist Pin, and Circlips! Part number is CM1-R12V same as the stock one. BAR NONE! All Rights Reserved. Rev6 offers quality parts that are proven to last. Tried 2 of the "other" brands of Durability kits both lasted less than 100 miles. Use tab to navigate through the menu items. Our kit features custom made Wiseco forged pistons. 2016 dodge grand. Find many great new & used options and get the best deals for POLARIS RMK PRO, RUSH, SWITCHBACK AXYS 600/800 CFI VFORCE 3 REEDS 2016-2018 at the best online prices at eBay! BEST PART: NO AFTERMARKET PIPE, Fuel controller, OR anything else is needed! This package features a SLP Single Pipe Set and SLP Power Dome Billet Heads and an SLP Reflash Box (for elevations below 5000 only). Opens in a new window or tab. This kit reduces weight by 13 lbs. They also have much better ring seal which produces power and keeps your engine cooler (better heat transfer). No tuner box. Last year we heard loud and clear from our customers wanting the exact same quality 600 SWITCHBACK PRO-S, 700 FUSION/DRAGON, 800 DRAGON IQ, 800 DRAGON SWITCHBACK, 800 INDY SP, 800 IQ, . Have no worries.. HELP is finally here for the 800 Polaris CFI Engine! Finally used MCB's kit and have over 500 on this kit!, WAY smoother running! So i have an 11 assualt rmk. When exiting curves, pickups are strong and without any hesitation. The Panasonic CM1A-R-12V is the same as the Napa one. This starter provides consistently reliable and easy starting so you can ride after the simple turn of a key. With our custom piston geometry, the porting is altered resulting in huge HP and Torque gains! BAR NONE! How many miles do you have on your sled? You must log in or register to reply here. JT2JZ 1.56K subscribers Subscribe 72 Share Save. $ 1,443.99. It has everything to do a top Premium quality rotating kit Polaris 800 Axys, Rush, RMK, Pro-R, RMK Pro, Switchback assault. The REV 2 Drop In Kit was dyno'd on 2 different engines (before and after) at Dyno Tech Research in 2014 and 2015 and showed a max power gain of 21HP with the STOCK Exhaust System and 91 octane PUMP GAS! We, purposely, designed this kit to perform using the components! Polaris Pro-R ProX RMK switchback Assault 15 16 17 18 19 800 600 AXYS TPS sensor. We also have cores for those that dont have one. There IS a problem with the pistons . Customers wanted a simple few choices to match what they needed The Polaris factory piston is great quality vs others that say there better? Hoods-Helium. 2881055 Polaris New OEM Axys Deep Snow Mid Windshield. Please be aware of "CLAIMS" that the OEM cylinders are over-sized from the factory!! These pistons are the BEST piston available on the market today! For more information on the details of the cylinder core charge please see the "core return information section to the right for more details. and after breaking it in we went on a 200 mile 2-day poker run. $1,595.58 This package features a SLP Single Pipe Set and SLP Power Dome Billet Heads and an SLP Reflash Box (for elevations below 5000' only). We do have the correct crankshaft available for the Axis engines and will come with your kit*, Copyright 2020 REV 6 ENGINES. 2. -Sahen Skinner, WARNING:Cancer andReproductive Harm-www.P65Warnings.ca.gov, High Flow Intake Kit for 600/800/850 Axys Chassis. SKU:GS4606190.. We, purposely, designed these kits to perform using the stock exhaust components! Each kit includes information sheets with info on how to properly break in your new top end. Our engine durability kit was designed to last. years. Join our email list and receive exclusive online offers! Add to cart. You are the salt of the earthYou are the light of the world Polaris 800 Axys Cfi Engine Durability Rebuild Kit W/ Crankshaft 2016-18, Polaris 800 Axys Cfi Engine Durability Rebuild Kit W/ Crankshaft 2016-18 2, Polaris 800 Axys Cfi Engine Durability Rebuild Kit W/ Crankshaft 2016-18 3. Be a Subscriber. Truthfully some other companies' kits do work; however, none of them have engineered all the features that we offer. Great work! Array $460.00 Snowmobile Make: Model: Year: Options: (Choose One or More) Wrist Pin Bearings (Pair) +$45.00 Team Rooster Weights +$210.00 Boondocker Controller Box +$455.00 Power Commander Controller Box +$495.00 SPI Piston Rings For POLARIS 800 AXYS PRO RMK/LE 2017-2019 85.00MM Standard Bore. The stock pistons were 3 grams different in weight. Big Bore Cylinder Kit - 61006-K01 Cylinder Works $1155.56 Part #: 1402198 Mfg Part #: 61006-K01 Standard 93mm Bore Cylinder Kit - CW60007K01 Cylinder Works $751.16 Part #: 1402206 Mfg Part #: CW60007K01 Standard Bore 93mm High Compression Cylinder Kit - CW60007K01HC Cylinder Works $888.76 Part #: 1402207 Mfg Part #: CW60007K01HC ZU VERKAUFEN! $3695 cdn. There IS a problem with the pistons . these cranks are trued and indexed to perfection using the finest Koyo and FAG bearings and genuine All kits are available with the MCB Classic series pistons or can be ordered with the MCB They require ZERO added "treatment"! 8:00 am 5:00 pm MDT, Warranty Policy - Sales Agreement - Terms and Conditions - Privacy Policy, 2016-2018 Polaris Axys 800 Master Engine Motor Rebuild Kit, New Rev6 crankshaft with forged rods, Better index and runout than factory! Many people ask how our Durability Kits compare to everyone else's. What You Get: Rev6 offers quality parts that are proven to last. GIVE US A CALL: (715)483-3003, We recommend turning up your oil pump 1 turn on non-HO (Axys) motors. The RK Tek Pistons address this issue 100%! We also include a complete set of eight longer cylinder bolts and two longer dowel pins. 2016-2022 RZR 1000 Stage 3 Performance Clutch Assembly. Some of these items ship sooner than the others. Independent dyno reports have shown HP increases in the 15-20HP range. The stock pistons were 3 grams different in weight. We also have cores for those that dont have one. We have found it common to see the piston to cylinder wall clearance DOUBLE in less than 1000 miles.. FINDINGS: We find that the OEM Polaris Piston will NOT hold its form after a very short time of running. External Wastegate. Overview & Specs Instructions & Support Designed to Fit C $50.98. NOTE: ALL pistons come with Rings, Wrist Pin, and Circlips! RK Tek sets itself apart from other performance shops by testing its products in the best lab in the world - the great outdoors. This reduces the stress on the piston and rings dramatically. You do NOT have to treat these pistons any different (in any way, shape or form) than your stock piston! Reliability is NOT compromised in any way, shape, or form and the cost is VERY affordable. 155 track Extras: Boondocker turbo, was a race kit built for backus racing, with tunnel dump B-pwr 36" front end Exit shocks all round set up for 200lb rider Condition: New, Manufacturer Part Number: 2207373, Brand: Polaris, Wiseco, Winderosa, Warranty: No Warranty Some of the add-ons on this site are powered by, Snowmobiles: Brands, Performance & Modifications. Clutch Kits; Clutch Rebuild Parts; Clutch Springs; Clutch Tools; Drive Belts; Helixes; Ski-Doo/Lynx. These are available with MCB . This kit reduces weight by 13 lbs. Appreciate the insight on the polaris 800, considering options on my 14 pro engine before my big BC trip in February. If it has 1500 miles or more, you're in need of this kit! Made In America Custom Polaris 850/ 9R Complete Crankshafts. This helps provide extra lubrication on the intake side of the piston. I don't and didn't mean to slam anyone products. Headlight Delete Kits. If you have any questionscall us anytime we're here to help. Instruction Sheets: Due to the added case volume, you will see a 2-3 HP gain! 2016 Polaris Industries 800 Pro-RMK 163 3 in Grande Prairie 08/02/2023 Nice low km electric start 163. It is a widely held belief that the OEM pistons are too small from the factory and this is where the issues lie. This helps provide extra lubrication on the intake side of the piston. Genuine MCB Stage-2 rebuild kit for ALL 2013-2020 Polaris 800's. BOTH ADDING PERFORMANCE AND RELIABILITY TO YOUR ENGINE! . Will come with spare quick drive belt and spare clutch belts. JavaScript seems to be disabled in your browser. Last edited: Feb 8, 2018. If you are ordering cheater heads, we will need to have your OEM heads to make the modifications. engine kit for the do-it-yourselfers. $644.95. If cylinder needs replating then Price is $4495 or $3400 us approx. PRIMARY CLUTCH SPIDER REBUILD KIT POLARIS AXYS PRO RMK 600 800 850 2011-2020 . This Larger T-Stat allows for much cooler running and better performance. Above 3500Ft. On this sled also all the annoying vibrations and 3000rpm death-shake are gone. There are yet no reviews for this product. NEED HELP? Many people now know that the stock pistons are just too short and wear out too fast. POLARIS 800 AXYS CFI ENGINE DURABILITY REBUILD KIT W/ CRANKSHAFT 2016-18. NOTE: Price is for 2 pistons. $43.99. We also include a complete set of eight longer cylinder bolts and two longer dowel pins. We also use titanium nitride coted rings for faster break-in and longer life. Classic series pistons or MCB Forged series pistons. They will NOT fail unless they are subjected to a low fuel or high heat condition! POLARIS 800 RMK PRO AXYS FIX IT KIT. It would have required a HUGE final bore machining/boring error for this to happen again, this is a clever gimmick to try and sale you something! More power everywhere! Opens in a new window or tab. Learn more. Can't wait for good snow now. Free shipping. 2016-20 Polaris AXYS 800 RMK Clutch Kit with Adjustable Weights. For optimum performance it also includes a SLP Power Shift Clutch Kit. Legacy Product Instructions Quickly Navigate to your Legacy Product: Control Box Installation and Operation: Naturally Aspirated Snowmobile Control Box (Fuel/NO2) Turbocharged Snowmobile Control Box Turbocharged UTV Control Box Turbocharged Snowbike Control Box Electronic Boost Controller Adjustable Actuator Turbo Kit Installation (14.5 lbs on RMK, RMK Assault and SKS models) and provides an additional 12.4 horsepower increase over stock. learn more, 801-489-8697 Stage 3 - This kit includes everything in our Stage 2 kit, PLUS completely remanufactured and properly Stage 1 - These are our famous Top-end kits that started MCB on its path. Please ship to our 920 Pine Street Address, Skip to the beginning of the images gallery, Durability kit fits all year 800 CFI & AXYS 800 CFI HO motors, Custom designed taller pistons have less piston slap, Rings have been spaced apart for better cooling, Pistons have a .020" wrist pin offset to take the load off the intake side, Forged pistons are more durable and collapse less than factory pistons, Lubrication holes in the skirt of the piston designed to lengthen piston skirt life, Gains 6-7 horsepower and even more for motors down on compression, A must-have for motors with over 1500 miles on stock pistons, CAN USE A POWER COMMANDER OR TORQUE LINK TUNE AS WELL FOR BETTER RUNABILTY. $599.95 In stock SKU BMP-P800DK Durability kit fits all year 800 CFI & AXYS 800 CFI HO motors Custom designed taller pistons have less piston slap Rings have been spaced apart for better cooling Pistons have a .020" wrist pin offset to take the load off the intake side Forged pistons are more durable and collapse less than factory pistons SKU:SD2692910 Primary Drive Clutch 1323614 For Polaris 800 RMK AXYS Indy RUSH SWITCHBACK 2020. . - Completely Remanufactured Polaris OEM 2208745 crankshaft with all NEW wear-components, Polaris OEM bearings, ne Genuine MCB Stage-2 rebuild kit for ALL 2008-2010 Polaris 800's. Smooth. happy customers. This makes a TRUE major engine overhaul and ensures all parts are The truth is that the OEM piston's tolerances are in spec, they just don't stay there. RZR General RANGER Sportsman ACE Indian Motorcycle Slingshot Comprend tout ce dont vous avez besoin pour remplacer les roulements et les joints sur votre Arbre de transmission ou arbre intermdiaire . Polaris Brake Disc Rotor Pro RMK Axys Khaos Matryx Patriot Boost OEM 2204712. . Shipping calculated at checkout. The piston we use is VERY CUSTOM! This is simply a sales "gimmick". Polaris 2877883 OEM VES Full Synthetic Oil, 1 Gallon. or as low as $84.00/mo with. We designed Gas Ports into our piston These are small ports that allow oil film from the underside of the piston through the piston to help lubricate high load areas. The old setup when idling the coolant temp would gradually climb of course and continue to climb without hesitation. "Wanted to thank Scott for the extra technical direction. We have been doing these "Drop In" Kits for over 19 years on the Ski Doo and now we are applying our "expertise" to the "lacking" 800 CFI Power-Plant. MUCH Smoother running at ALL RPM.. Piston side loading is reduced due to our unique piston's weight. and we responded. Enjoy and Safe Riding! 2 sold, 3 available. ADD 1 QUART OF OIL TO THE FIRST GAS TANK AS WELL FOR BREAK IN. Each kit includes information sheets with info on how to properly break in your new top end. Yes, these fit the new HO Engine.No "gimmicks" that claim to address the issues but really do nothing. Hoods-Side Panels. This is simply a sales "gimmick". ", The guys at MCB have always been great to deal with and seem to always have the parts in stock , I really appreciate Matt and his staff taking the time to answer all of my questions over the phone similar to what a good parts-counter person would do at a respected dealership. 1/2 litre of semi synth oil in full tank fresh fuel. The relatively short rods and pistons have been the cause of the short life of the stock pistons and rings. Creating an account has many benefits: check out faster, keep more than one address, track orders and more. PRIMARY CLUTCH SPIDER WIDE ROLLER PIN BUTTON KIT POLARIS AXYS RMK 600-850 11-20. Description Polaris 2013-2016 PRO RMK 800 Complete Top End Rebuild Kit Upgraded replacement pistons with molly coated skirts for better break-in Standard Bore Replacement Pistons Includes the Following Parts: - STD Bore Upgraded Piston Kit - Complete Top End Gasket Kit - Wrist Pin Bearings