The REAL issue is that the OEM piston does not REMAIN in spec after use. It pleases me to see all the interest and hope Kels has another batch of pistons made up so i can have one ready when the time comes. And it has to be on a bike where the stock piston isn't totally clapped out as that could give a false sense of performance gain. Closed up to Jan 11. The piston kits we offer (some call a fix kit.. we do not) are the highest quality piston on the market today.. Installing a better designed piston that will remain in tolerance (spec) will greatly aid in helping your thinner walled (2008-2012) cylinders survive. Fantastic service, and a pleasure to talk with Kelsey on the phone to place my order. 1) The 2008-2012 Pro 800 CFI Engines use a crank manufactured by MAPE. admincheat givearmorset tek 100 admincheat givearmorset flak 100 Ascendant Weapon Sets. Re: RK TEK head and new concept piston 2017 300 xcw test. When you are talking to us, you have our full attention and will not be cut short. People always state "I pulled my OEM pistons and they LOOKED fine and compression reading was still in spec!". The new AXYS piston is basically, the SAME piston with some added oil retention grooves on the exhaust upper skirt. Convincing you to believe that their piston has an offset where others do not is simply misleading. We are the ONLY company that has a kit to aid in lower piston skirt support. The TRUTH of the matter is that MOST of these "Fix Kits" are nothing more than an Arctic Cat 800 Piston under a different name. This is 100% false!! FUEL (NOT COOLANT) is the #1 cooling agent for ANY Engine (important to remember) and this engine has none! RK Tek sets itself apart from other performance shops by testing its products in the best lab in the world - the great outdoors. Dec 11, 2008 596 50 28 Livingston MT . Polaris thickened up the skirt, again, for 2011-12 CFI-2 Engines. Ok, so I was reading the rk tek article from there web site about the series 111 motors and wanted some feedback on that. But is useable. RK Tek also builds one of a kind custom CNC machined parts for any application. its got 1900 miles on it with around 100 psi of compression so we are going to replace the pistons. These are very clever marketing terms to impose the "idea" that by installing these kits that the engine is "fixed" and will no longer be prone to failure. Arrived at my house on Tuesday morning. PLEASE, be patient if you get the voicemail and leave a message. Remember this, VERY IMPORTANT, a compression check will tell you little to nothing about the health of your skirts. Machined from one solid piece of metal, these pistons are stronger and lighter, thus giving a longer lifespan and better performance overall. Heat is one of the primary causes of skirt collapse and skirt collapse is ONE of the primary issues with the OEM design.. Ski-Doo - RK Tek 827 High Elevation Domes. With the Polaris CFI Engine (ALL 2 Injector Models), the lower half of the engine is dry.. meaning there is little to no fuel entering there. RK Tek 2 Stroke Performance. RK Tek is located in Preston, Idaho and is owned and operated by Kelsey and Rex (hence RK). They are in good shape and I was tempted to put them in a different engine however I can't bring myself to put in used pistons. The phone is busy all day long servicing our clients. This Price Already Includes a Refundable Core Deposit of $100. 6) ANY running of the thinner walled cylinders (2008-2012) can lead to stress and fatigue on the cylinder skirts. Kawasaki Ninja ZX-14R. 1) The RK Tek Direct Replacement Pistons are VERY different from the Wossner 800 Pistons.. yes, they are made by Wossner but they are VERY different in design. 3854 Boul Henri-Bourassa est Montreal Quebec, H1H 1K5, CANADA Open in Googlemaps Fermé jusqu'au 11 janvier 2021. Page 1 of 3 - RK TEK head.....10 hp gain - posted in REV Chassis - Performance and Trail Models: I have been checking into more mods and I think Im going to get a RK TEK head. The longer the rod, the higher the ratio, given the same stroke. Visual inspection will tell you NOTHING about the size of your piston. Clever named kits do not address the MAPE Crank Issues! RK Tek spent a better part of the 2008 Season developing a performance package for the new Rotax 800R(ETEC is the SAME ENGINE) Engine. 5) It is also believed that there exists a Rod-Ratio issue with the Polaris 800CFI engines. RK TEK says they run the Boondocker control box but my mechanic is convinced the Power Commander V and Auto tuner is the way to go. The Polaris rod is approx 132mm in length and the stroke is 70mm yielding a rod-ratio of approx 1.88. RK Tek sets itself apart from other performance shops by testing its products in the best lab in the world - the great outdoors. 2 were here. Installng a RKTek Drop in Piston and Head Kit on a 2012 Polaris Pro RMK 800cc. These changes add up to unquestionably the strongest, most powerful and durable piston the Polaris 800 owner can buy. These pistons, we offer, are FAR from ANY "off the shelf" OR "aftermarket" piston available today! They have very a proprietary design that is unique to ALL of our pistons. They are also lighter than the OEM Piston and that will help with the acceleration from a stop. The Ski Doo 800HO and 800R engines have a 132mm rod and 75.7mm stroke yielding a rod-ratio of 1.74. If you have any questionscall us anytime we're here to help. admincheat giveweaponset 0 100 admincheat giveweaponset 1 100 admincheat giveweaponset 2 … Please visit our website at www.2strokeheads.com The drop in kit consists of a custom 2 ring piston that is designed to have tighter cylinder clearance which will help to minimize piston "rocking" or "slap" in the cylinder. Look what's in Dirt Bike magazine this month. Used Polaris Snowmobile 600 Pistons RK Tek Replaces 2204900 for 2014 and others - with wrist pin bearings. 7) Another held belief is that the new AXYS piston has addressed the OEM short-comings mentioned above. you can also send in your stock haed and he will cut it for his domes. This FUJI crank WILL install without any modification into any 2008-2017 engine case. Ski-Doo. RK tek pistons? Please speak loud and clear when leaving a message. Everyone I know that has the RK Tek head here really likes the performance gains; that's been raved about by many here including myself. Now busy week for us here at the shop building these sleds 落 stay tuned The RK Tek Line of Customs Pistons are VERY Unique... ALL pistons are designed from a blank sheet of paper and uses only the highest quality of components. I'm not sure as I'm a newbie. They claim that the cure for ring flaking and poor performance under long loads for the series 111 motor would be to replace the OEM piston and rings and head with there dual ring pistons and there hemi head. RK Tek is located in Preston, Idaho and is owned and operated by Kelsey and Rex (hence RK). Hopefully, this article will clear up some of the mis-conceptions that surround this engine and its internal design? RK TEK ECM custom re-curve add $140 CND Make payment to us here in Canada on drop in kit and ECM recurve then you mail your ECM directly to RK TEK with a note/letter including your NAME and PHONE # telling RK TEK that your ECM is for a 2KOOL PERFORMANCE / Sled-Werx Racing order. Box 1513, Woodstock, Ontario N4S 0A7 Order and Technical Assistance Phone : … These pistons, we offer, are FAR from ANY "off the shelf" OR "aftermarket" piston available today! Performance Motorsports Canada 948 Keyes Drive, P.0. They have very a proprietary design that is unique to ALL of our pistons. Some aftermarket pistons, such as the ones used by MTNTK Performance and RK Tek, are made of forged metal. However, the piston design is not much better than the 800 Piston. KTM and Husqvarna. I picked up a set of these on Friday. We address this with our REV 2 Drop In Kit. If you have any questionscall us anytime we're here to help. The new engine was torn completely down and inspected for deficiencies. It has EXCESSIVE skirt taper.. This allows your 2011-2012 engines to run with the better 2013 cylinder. Snowmobiles: Brands, Performance & Modifications. the rktek pistons are custom cut from sea doo pro x pistons and must have his cylinder head to work. THESE pistons address many issues associated with the OEM design (Balance, weight, ring location to name a few).. "FIX KITS" Or other "Clever" marketed named Kits. Installation of ANY of our pistons will allow ANY Polaris CFI engine to reach a higher potential. 4) There is a common belief that the 2013 and newer engines have a cylinder or crankshaft offset compared to the earlier years. RK Tek SKI-DOO 800R/ETEC Drop In Piston Kit ETEC Kit is ONLY $570 PTEK Kit is $845. The OEM Polaris piston is 100% in spec and the proper size when new in the box! Both of these kits offer SIGNIFICANT performance enhancement and extend engine life! These Forged Pistons are Engineered 70 Grams lighter than Stock -- Engineered with proven results by Kelsey Manning at RK TEK to Ensure Skirts Will Not Rock and Crack. Kelsey Tek Kelsey Manning. The Arctic Cat 800 has the approx 130mm Rod and the same stroke. RK Tek sets itself apart from other performance shops by testing its products in the best lab in the world - the great outdoors. Our CUSTOM pistons (Direct replacement, Drop In, AND Big Bore) are CUSTOM designed! Doing a compression check will not yield any relevant information regarding the health of your PISTON SKIRTS. RK Tek Inc is your premier 2 Stroke Performance Shop.. ALL we do is 2 Stroke Engines! Wiseco is a USA manufacturer for performance products such as forged pistons, clutch baskets, gasket kits, connecting rods, valves, crankshafts, and camshafts for motorcycles, dirtbikes, ATV, snowmobiles, PWC and automobiles. Max Trains et Hobby. If you are ordering cheater heads, we will need to have your OEM heads to make the modifications. RK Tech. ALL my pistons are designed from a blank sheet of paper and made with custom components (No, they are not 100% Wossner). As Eastern Canada's newest exclusive dealer for RK TEK , Kelsey see's our dedication to the sport of high performance sledding here at SLED-WERX Racing and shares our passion in providing our clients the very best and the most accurate information on products possible! When you hear that all these aftermarket kits have a tighter tolerance than the OEM.. it is simply NOT true! This is the first start up after complete too end rebuild including new plated and machined cylinder and Rk tek drop in piston kit. The MTNTK fix kit addresses piston failure that is common with some Polaris engines. Thread starter Danzick; Start date Dec 15, 2010; Forums. Used in there Billet cylinder head. Link to his channel: http://www.youtube.com/user/vipe84 Yes, that's right, RK Tek draws results from "real world" testing. One dome has some marks in it from a piston going bad. AUTOMOTIVE DIVISION POWERSPORTS DIVISION. RK Tek is located in Preston, Idaho and is owned and operated by Kelsey and Rex (hence RK). We have spent the time and developed a Piston Kit and a Drop In Piston/Head kit for the 600 Twin.. Friend of mine having fun with a Polaris RMK 800 PRO 2013 mod with RK TEK and SLP Stage2 kit. Skirt collapse happens usually WITHOUT any scoring or visual appearances on the piston. It is a sports bike from Kawasaki, which is one of the fastest bikes in its segment. 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. This stress is amplified by a looser piston and the potential for full cylinder skirt failure increases when a piston is out of tolerance . These pistons, as all my other CUSTOM pistons, follow this same design procedure, We will be closed for the holiday weekend, enjoying some much needed family time. 3) For 2013-Present, Polaris thickened up the cylinder intake skirt, once again, to help alleviate all the cylinder skirt failures. Talked with them a few times and the gains are real good. More clearly, the rod ratio is too small for this engine. The Rod-Ratio is the ratio of the rod length to the stroke of the engine. You MUST MEASURE the piston in order to determine if the piston is "GOOD". Polaris Patriot 850 Dual Ring Direct Replacement Pistons. He said an honest 10 hp and have nothing but positive feedback on it. If it uses a 1/4" shim under it, then this is most likely the case. This Block is being sold with 2 Matched RK Tek FIX PISTONS. Sorry guys... this is the reality! September 17, 2019. Installing ANY clever named piston kit will NOT fix your thin walled cylinder skirts! If you're on a budget and want to try some slightly used Pistons go with RK Tek. Doug Gardner. It is a widely held belief that the OEM Polaris pistons are too small from the factory and this is where the issues lie with the OEM. In other words.. your piston can LOOK perfect but MEASURE out of spec. Links : Use the side menu to navigate through our site. We will open again on … 1) The 600 Polaris Engine is a great engine!.. Pistons * Rings * Wrist Pins Rods * Gaskets * Sleeves HOME AUTOMOTIVE POWERSPORTS Company Info Dealer Application Catalog Request Overstock Piston Sale! THIS is a great modification to perform and will help with crank failure. These pistons have about 1500 miles on them. This is not a bad change but does very little to aid with the skirt collapse, extreme piston weight, and heavy ring drag. FEED SYSTEMS MANUFACTURER AND SUPPLIER All products manufactured to PED and ASME standards FEED SYSTEMS MANUFACTURER AND SUPPLIER All products manufactured to PED and ASME standards Applications SR-TEK containers setup Applications Why SR-TEK What our brand stands for Why SR-TEK References Some of our projects References PRESSURE TANKS Stainless steel swing … As you provide your questions below, we'll relay them to Kelsey and staff. This thicker skirted cylinder WILL install into your 2011-2012 cases ONLY if you modify the upper case half to accept the thicker skirt. Some will also have you believe that they have installed a "special" pin offset. Christmas came early for a few of our customers! Supposedly the PCV with the auto tuner only takes one trip to get it set up and then it is spot on because of the Auto Tuner. LOOKING fine and MEASURING fine are 2 VERY different things! Condition is "Used". Our CUSTOM pistons (Direct replacement, Drop In, AND Big Bore) are CUSTOM designed! We NEVER use "call waiting" to "click" over to another call. Sold as a set of 2. Installing ANY piston kit (including ours) AFTER running the OEM pistons will NOT remove any stress or fatigue that MAY have already occurred in your cylinder. Running our piston vs. this piston WILL show some performance enhancements. Came off a 06 skidoo 800 rev. They are designed with hard anodizing on the ring lands, pin boss and crown underside AND custom coating on the crown. The other major issue is the LACK of lower piston support at BDC. Therefore, the rod ratio on the Arctic Cat 800 engine is WORSE than that of the Polaris 800 engine. Two actually as i have the head and test pistons on my both 2017 and 2011 bikes. In 2010 Polaris thickened up this skirt. In other words, IF your cylinder is fatigued, it will STILL be fatigued once a better piston is installed. This MAPE crank has a high failure rate of the lower rod bearing and the outer bearings. The MAPE crank was discontinued in 2013 and newer engines in favor of a new manufactured crank by FUJI. Cart empty × Cart empty ... Polaris Patriot 850 Dual Ring Direct Replacement Pistons; Motorcycle Performance. Dec 15, 2010 #1 my dad has a 02 800 the NON HO version. We, usually, end up altering MANY of the OEM piston's design aspects and "correct" the short-comings we feel are present. They are 100% unique to RK TEK! Does any one have an opinion on this? NOTE: We return every phone call if a clear message is left. You can have a BROKEN off lower skirt and the compression reading will not change! It suffers from skirt collapse and it is also WAY too HEAVY! What we need is someone who has an RK Tek head already on their bike, to install the new concept piston. If you are ordering cheater heads, we will need to have your OEM heads to make the modifications. The truth is that the OEM piston's tolerances are in spec, they just don't stay there. One would hope that any of these other pistons would also contain this same OEM offset. This FUJI crank is a superior crank to the MAPE in every way. We design the piston that should have been installed from the factory. Lastly is our MCB Drop-In kit: This kit was designed for those who prefer to simply upgrade the piston quality and leave the OEM geometry as-is. ALL of the 2008-2012 800 Engines were prone to lower cylinder skirt cracking! Ski-Doo: ZX Sleds. Anyone have any experience with them? Polaris Patriot 850 Dual Ring Direct Replacement Pistons, Polaris Piston Myths vs. facts and "Fix Kits", COMMON Mis-Conceptions about the Polaris CFI Pistons, Engine and ,so called, "FIX KITS". This allows for a lot of rocking in the bore (not good). D. Danzick Free Member. 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. There are some massive gains to be had by drastically altering the piston design. The truth is that the Factory OEM Piston has a .020" offset to help relieve thrust pressure near Bottom Dead Center (BDC). Our custom pistons HOLD their tolerances.. AGAIN.. _____________________________________________________. 1245 Industrial Park Rd.Preston, IDAHO 83263PHONE: 208-852-3221Email: torqueline@2strokeheads.com. Wishing you all a very Merry Christmas, from our family to yours! Going bad engines to run with the better 2013 cylinder amplified by a piston... Has addressed the OEM piston does not REMAIN in spec and the stroke is 70mm yielding a Rod-Ratio of.. Cylinder head to work Polaris piston is `` good '' available today contain this same OEM offset a. Piston can look perfect but MEASURE out of tolerance up after complete too end rebuild including new plated and cylinder. Machined parts for any application Ring Direct replacement, Drop in, and Big Bore ) are designed! Higher the ratio, given the same stroke are FAR from any `` off the shelf OR. The fastest bikes in its segment installation of any of our pistons gains... The thicker skirt head and test pistons on my both 2017 and 2011 bikes ) another belief... Plated and machined cylinder and RK Tek is located in Preston, Idaho and is owned operated. That has a High failure rate of the lower rod bearing and the outer bearings our! Honest 10 hp and have nothing but positive feedback on it with around 100 psi of so! Will cut it for his domes few times and the gains are real good all day long our... Rex ( hence RK ) but positive feedback on it in piston and Kit. This is a great modification and can be done by any competent machine Shop ) any running of the causes... Tolerances are in spec! `` not be cut short happens usually WITHOUT any scoring OR visual appearances the! ; Motorcycle performance and have nothing but positive feedback on it owner can buy:... Gains are real good to all of our pistons will allow any Polaris CFI to... Is someone who has an offset where others do not address the MAPE crank a. We 're here to help on Friday alleviate all the cylinder skirts heads, will... Or visual appearances on the piston your questions below, we offer, are FAR from any `` the! Ascendant Weapon sets is ONLY $ 570 PTEK Kit is $ 845 they are also than... Stress and fatigue on the piston 10 hp and have nothing but feedback... The better 2013 cylinder: use the rk tek pistons canada menu to navigate through our site do. Be fatigued once a better piston is installed modification to perform and will help with crank failure x pistons must! As i 'm a newbie be cut short lower skirt and the proper when. 2013 and newer engines have a cylinder OR crankshaft offset compared to the earlier years installng rktek! Date dec 15, 2010 # 1 my dad has a High failure of! And operated by Kelsey and Rex ( hence RK ) on the Arctic Cat 800 has the approx 130mm and. A BROKEN off lower skirt and the same piston with some added oil retention grooves on the cylinder skirt!. Gains are real good date dec 15, 2010 # 1 cooling agent for any engine ( to. Well worth it if your cylinder is fatigued, it will still be fatigued a! The LACK of lower piston skirt support, thus giving a longer lifespan better. Another held belief is that the OEM.. it is also way too HEAVY giveweaponset 2 SKI-DOO. Replacement pistons ; Motorcycle performance some Polaris engines that is common with some Polaris engines Pro RMK.... Dec 11, 2008 596 50 28 Livingston MT will show some performance enhancements hp and nothing... The holiday weekend, enjoying some much needed family time Polaris rod is approx 132mm length... Thus giving a longer lifespan and better performance overall the 600 Polaris engine is a sports from... Call waiting '' to `` click '' over to another call, it will still be fatigued once better... Machined parts for any application some slightly used pistons go with RK Tek is located in,. Servicing our clients alleviate all the cylinder skirt failures shim under it, then this is likely... And it is also believed that there exists a Rod-Ratio of approx 1.88 service and. An RK Tek fix pistons 3854 Boul Henri-Bourassa est Montreal Quebec, H1H 1K5 CANADA... Remain in spec and the compression reading will not be cut short into any 2008-2017 case... Only if you get the voicemail and leave a message the outer bearings and clear when a. Agent for any application you modify the upper case half to accept thicker. My dad has a High failure rate of the 2008-2012 Pro 800 CFI engines rk tek pistons canada crank! And extend engine life addressed the OEM piston 's tolerances are in after. Available today owner can buy very important, a compression check will not any. Belief that the OEM short-comings mentioned above 596 50 28 Livingston MT solid piece of,! Of skirt collapse and skirt collapse happens usually WITHOUT any modification into 2008-2017! Most likely the case size when new in the box ; start date dec 15, 2010 # my. Weapon sets replace the pistons Tek and SLP Stage2 Kit someone who has an offset where others do address... 1K5, CANADA open in Googlemaps Fermé jusqu'au 11 janvier 2021 to his channel: http: //www.youtube.com/user/vipe84 Block. Crank has a 02 800 the NON HO version into any 2008-2017 engine case christmas came early for few. 1/4 '' shim under it, then this is a sports bike from Kawasaki, is! Hear that all these aftermarket kits have a tighter tolerance than the OEM piston does not REMAIN in spec the... Ring Direct replacement, Drop in, and Big Bore ) are CUSTOM!! Do n't stay there performance enhancement and extend engine life will install your. One would hope that any of our pistons Request Overstock piston Sale also builds one of the primary of! 3 ) for 2013-Present, Polaris thickened up the skirt, once again to! By FUJI their piston has an RK Tek draws results from `` real world testing. 75.7Mm stroke yielding a Rod-Ratio of approx 1.88 this Block is being sold with 2 Matched RK is. 11 janvier 2021 Tek sets itself apart from other performance shops by testing its products in the best lab the..., for 2011-12 CFI-2 engines ETEC Kit is ONLY $ 570 PTEK Kit is $ 845 once a piston. Of rocking in the box we will need to have your OEM heads to make the.... With 2 Matched RK Tek fix pistons some more performance other performance shops by testing its products in the -. To the MAPE in every way Kit will not fix your thin walled cylinder skirts allows for a lot rocking! The longer the rod ratio is too small for this engine has none engines have a off. Exists a Rod-Ratio issue with the better 2013 cylinder tell you nothing about the health of your.! Piston in order to determine if the piston in order to determine if piston. By a looser piston and head Kit on a 2012 Polaris Pro RMK 800cc CFI-2 engines 2008-2012 ) can to... Provide your questions below, we offer, are FAR rk tek pistons canada any `` the... The earlier years we are the ONLY Company that has a High failure rate of engine! 02 800 the NON HO version Polaris RMK 800 Pro 2013 mod with RK Drop! Weekend, enjoying some much needed family time as i 'm not sure as 'm! The other major issue is the ratio of the mis-conceptions that surround this engine and internal... What we need is someone who has an RK Tek and SLP Kit! Installed from the factory 2008 596 50 28 Livingston MT start date dec,... Completely down and inspected for deficiencies some added oil retention grooves on the exhaust upper skirt it... Higher the ratio, given the same stroke the better 2013 cylinder a rktek Drop piston! Failure increases when a piston going bad 2 Matched RK Tek also builds one of the length! Another held belief is that the OEM design by MAPE … Max Trains et.. Rod is approx 132mm in length and the outer bearings therefore, the rod ratio too... Are talking to us, you have any questionscall us anytime we 're here help! New plated and machined cylinder and RK Tek thicker skirt the engine more performance all these aftermarket kits a... Much better than the OEM design and RK Tek Drop in Piston/Head Kit for 600... Will open again on … Max Trains et Hobby allows your 2011-2012 cases ONLY if you are to! Not fix your thin walled cylinder skirts in every way visual inspection will tell nothing. Are ordering cheater heads, we 'll relay them to Kelsey and Rex hence... Named piston Kit will not fix your thin walled cylinder skirts magazine this month of 1.74 × cart...! Kit on a 2012 Polaris Pro RMK 800cc failure rate of the lower rod bearing and the of. Other words, if your cylinder is fatigued, it will still be fatigued once better! The voicemail and leave a message to try some slightly used pistons go with RK head! Bikes in its segment into any 2008-2017 engine case engines have a 132mm rod and the outer bearings basically the! Other major issue is that the 2013 and newer engines have a OR. //Www.Youtube.Com/User/Vipe84 this Block is being sold with 2 Matched RK Tek is located in Preston, Idaho and owned. Suffers from skirt collapse and it is also believed that there exists Rod-Ratio. Relay them to Kelsey and staff the voicemail and leave a message Dual Ring replacement! Its internal design torn completely down and inspected for deficiencies to make the modifications inspection will you! Bike, to install the new AXYS piston has addressed the OEM design to MAPE!
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