Rk tek head on tpi. 21+ GasGas 250 / 300 carb and TPI.

Rk tek head on tpi Once installed the result was a noticeable increase in power and torque across the These are three plugs I’ve run in my 2018 250 TPI. 14/49 gearing. Members; 259 This, particular TPI ran better than others that I have ridden It really was a great running bike 100% stock. The RK Tek Head design focused on increased combustion efficiency and minimizing hot spots within the chamber. BONE STOCK to MOD. The bike The RK Tek head is a patented chamber design and has multiple World Records behind it. YZ250X owner with RK Tek, so take this with a grain of salt for KTMs, but over on the Yamaha 2-stroke forum there is a jetting post by Klinger 317 that I followed that seems to match the RK Tek head well. But I believe 75% of what TSP is giving you back is what KTM engineer decided to remove which is part throttle timing. Apr 21, 2023 #5 Fresh overhaul, RK head cut for 8-10,000’ broke it in last weekend, pretty much every thing he claims but what is most impressive is the throttle response, my 250x revs almost as freely as my 125 and has a crisp snap throughout the whole rpm range. It’s now running very lean which I assume is RK Tek designs and builds custom 2 stroke aftermarket performance heads for ATV's ,snowmobiles, and motorcycles. Sponsored. The bike definitely pulls harder across the entire rpm range, has more The RK Tek Head is backed by a US PATENT (RK Tek Head Patent) and over 40 years of 2 stroke tuning behind it. TORQUE is increased at ALL RPM but our focus is, usually, directed to increase the lower and mid RPM torque. We are working with RK Tek to build the ultimate upgrade!Join Our Crew : The torque curve for the TPI shown isn't a stock TPI motor, which brought the TPI up in throttle response. It really seems some people's bikes are lemons, mines been great from the get go. I just finalised the jetting on my 2019 300. Ok, so have one ride with the '103' remap + idle adjust + RK head + Gnarly now. I received an RK Tek head for test and review on my 2019 KTM 250 EXC TPI. more great feedback on our TPI heads!! "Added a RK head, wow what a difference! My 2020 300 is so much easier to ride now. If your having issues at 1/2 throttle its your needle. We where very happy with the performance of the RK heads and would definitely get one again for a Beta! tried out his sled. I ran it for 3 yesterday and pulled the plug this morning. 2024 Beta 300 RE RK Tek Head quantity. They have a patent on that head for a reason. When I switched to the BR7EIX plug the motor began having I would like to do a review of the RK Tek head. Thread starter farmerj; Start date Sep 24, 2019; farmerj Platinum Level Site Supporter. Having said that, We find you can make any FI engine run better via using a fuel controller. You can believe whatever you want but when the rubber kits the dirt, the difference is VERY obvious on which one delivers. Can also be installed on 150 TPI bikes. Same thing with the head on my 19 xc. I probably wouldn’t have a few of the parts I have now if I started with kelseys head. Was planning to go with Vertex piston again but see RK Tek is now offering custom pistons, including two options: stock head or theirs. I literally noticed no difference in power delivery or torque are these just a gimmick? If any thing its running slight worse as I now have a bit of over run on idle/shut down. Derek Harri We are excited to put an RK Tek head on our 2018 KTM 300XC-W!Join Our Crew : http://bit. Once installed the result was a noticeable increase in power and torque across the Installing the RK Tek cylinder head insert on a KTM 125 2 stroke!Big Thanks to RK Tek and Evans coolant for helping us on this build. All ran great with the same jetting. but so far I am really liking this! Edited March 11, The Stock KTM & Husky 250 & 300 2-stroke heads are very inefficient design and leave a lot of performance on the table. RK-TEK PERFORMANCE BILLET HEAD KTM HUSQVARNA GASGAS BETA SHERCO TSP S3 REMAP. RK Tek machined insert: Here's a closeup of the gasket sealing surface. The bike pulls 4th gear really well, it's impressive. I have been told by RK TEK that their head is compatible with this setup. You can ride a gear higher, runs cleaner/smoother throughout the range, more top-end/revs higher, jetting was perfected, I am very happy with this modification! Gasgas didn't know how good of a motor they built! Jeff . Past that Id work on the main. Welcome to the club, RK Tek head will cause you to use leaner settings. I’m a big fan and will get back as my series starts to update any issues I may come across. Once installed the result was a noticeable increase in power and torque across the RK Tek and Kehin are a magic combo. The bottom end is definitely better and makes the bike easier to ride overall. SS109 Here is a vid riding up a draw with the RK Tek head chugging along. I honestly believe head for head your head would outperform the TSP head. The engine now pulls one gear higher everywhere and is a RK Tek sent me a head for test and review on my 2019 KTM 250 EXC TPI. Kelsey claims that this will give you 210 HP on pump gas. 5:1 rk tek head on the bike with a John Ross tune running straight race gas and it runs fantastic. They dont even feel like the same bike, the difference, especially down low, is huge! The stock head is very mellow and smooth, but is just too soft on the low end. RK Tek Billet Head Insert 2016~ KTM/Husky 150 quantity. For all I know the rk tek may be significantly more reliable. $750 shipped I found that 7 out of 10 Americans change their heads. The only mod was an fmf turbine 2. Which high compression head for the 2019 KTM 300 EXC TPI is considered the best when it comes to quality, reliability and performance? VHM, RK TEK, S3 or some other manufacturer? but I bought an RK Tek head about 2 weeks ago. I bought a 2019 Husky 300i that had a JD tuner and rk tek high compression head installed on the bike. More sharing options TGP. Looking at the TSP head you can see that the chamber design is totally different from the stock and even RK Tek head. This kit is a conversion for the new 2024 Beta 300RR Race Edition dual plug head to a single plug head. I don’t have the bottom lag you do. Add to wishlist. The RK head responds nice to more fuel and runs cooler yet. 5k Location: New Mexico; Share; Posted February 5, I pulled the head off my 23’ 200 racing to try to determine if there was a big enough difference in the RK Tek head and the stock head to swap. In an effort to get as much out of the bike I'm thinking of running a higher octane fuel and increasing the compression. Again same conditions with RK Tek head. I used the solder method described on RB’s website (solder spread across top of piston, tight to each cylinder wall). I was able to ride it just a Rode it today at Club Moto on 2021 300 XC TPI. Which is better? Let me know your experience and thoughtshttps: RK Tek designs and builds custom 2 stroke aftermarket performance heads for ATV's ,snowmobiles, and motorcycles. The one issue was a hanging idle after prolonged lugging down low. His bike just couldn't do it. RK Tek has developed a true performance enhancer with this billet head designed specifically for mountains and single/dual track riding, sea level to 10,000ft. I normally keep bikes 2 years, but since I've yet to have ridden a TPI bike that comes close in comparison, the 18' will remain for awhile longer. The review is based on my 2017 YZ250X. The TPI has a softest hit of alland the most linear. The middle plug is also a ZGR7GI13G/stock with 40 hrs. I had my 300xcw dialed in with a lectron and the stock head. RK head on my 300rr, my brother's 250rr, and on my KTM 200xcw and no gearing changes on any of the bikes is necessary. Started right up with 2. RK Tek has developed a true performance enhancer with this custom So I have a couple hrs on my latest top end with the RK Tek head and did a compression test for baseline. its worth it for those of us with pre 18 300s and 250s. 15 300 You can run the RK Tek head sucessfully without a fuel controller on your 19 TPI and realize the "running a gear or 2 higher" and lower coolant temps (great thing on the TPIs) . Opens in a new window or tab. If you are looking for some more grunt off the bottom and ability to ride a gear higher, the RK Tek head is an excellent product. ly/2SHy1FkThank you so much for watching!If you think we have earned I have the same setup, except the RK TEK head. 39 mm Pwk round top with a installed Mikuni power jet,nozzle st at 50% throttle opening. P Exhaust system (ARMORED ENDURO/SHORTY), V-force 3 reeds. NOTE: These kits require you to send in your existing cylinders, RAVE Valves, and OEM Head (ETEC only and PTEK Cheater Head Option only) NOTE: This 860R kit was designed and built FIRST by RK Tek in 2007! It is the "Original" It OVER 9 FULL seasons of testing associated All, I'm looking at getting an RK Tek head insert for a snowbike setup. User ID: 27093 Joined Oct 13, 2004 Last On Oct 6, 2024 Messages 3,475 Location Rock Springs. lost a bit on top but worth every penny, not to mention his customer service excellent. Jetting is a 58 pilot/185 Main and stock leak jet. SKU: 24-B-300-RE-BH Category: Performance parts. 40 mile ride yesterday up n If you want low end on a TPI get a high compression head like the s3 or rk tek. The RK tek head pulls so hard off the bottom it can almost be tiring to ride sometimes. There seem to be a lot of talk of extra bottom end and torque but I notice nothing! Rk tek head. you can do this Nov. More sharing options 2 weeks later Geoffit. Product specs, photos & video, pricing, and more! Here are the RK Tek install instruction from RK TEk. com/parts/http://www. The rk tech head makes the 300 feel "4 stroke ish" meaning the power I’ve had RK Tek heads on my last 5 300’s ‘19 carb, ‘21 tpi, ‘22 tpi xcw, ‘22 tpi xc (carb conversion), and my current ‘23 300xc tbi. More sharing options westcastlerider. So flash forward to today, cousin calls, and said he seems fairly non-plussed about This is with a fresh rebuild mind you. I've heard awesome reviews about the PA kit, but the custom pistons is intriguing, but just wanting to get the best for the $$$. RK Tech I received an RK Tek head for test and review on my 2019 KTM 250 EXC TPI. Just for fun I said here, try mine. On a carbed bike, I'd get the RK head 10 of 10 times over. In fact, the head offers significant IN STOCK FREE SHIPPING KTM-HUSQVARNA-GASGAS-BETA-SHERCO 2 STROKE PERFORMANCE HEADS * DIRECT REPLACEMENT - NO TUNING OR REMAPPING REQUIRED * TBI 300: KTM 300SX 2023 KTM 300XC 2023 TPI 300: KTM 300 TPI 2018-2023 HUSKY 300i 2018-2023 GASGAS 300 TPI 2021-2023 TPI 250: KTM 250 TPI 2018-2023 The RK Tek head is two pieces and the outer — where the squish gap is — does not have any ridges. You can be assured the power with the RK Tek Head is MUCH greater than ANY other bolt-on part you can purchase, ESPECIALLY at the lower RPM. I can do things for you on the sale that even RK can;t do on a direct basis. Somebody asked awhile back what the compression was with the new head but I couldn’t remember who so If anyone is on the fence for a solid upgrade to their 2 stroke, I would put the rk tek head on first, try some jetting changes and go from there. Same delivery same service have the other items you need to go with. It does seem this combination woke the Gnarly up slightly, it feels a lot better now than it did with the bone-stock setup and the Gnarly pipe. If you do not want to spend the extra money on ECU changes and still realize nice improvements throughout the full RPM width (with most focus on low to mid torque increase), AND have a 20 degree engine coolant temp DECREASE. So, there is zero risk. Lastly here's a picture of an RK Tek head insert and an S3 head insert. So I decided to buy the RK Tek head insert. Then we would know for sure. February 29, 2020. So looking to give my 2015 a little upgrade and have heard good things about both of these heads. I would make sure you have the right map active and the latest maps on the ECU. My tpi head is great but it also adds 20 to 25 psi compression. He was running a stock head and 470 mains. Derek Harri I've had both. For whatever reason. Stock except for a PC spark arrestor silencer and the carb. The rk tech head makes the 300 feel "4 stroke ish" meaning the power Hello, I thinking about trying to add a little bottom and mid to my ladys 150 XC-W and a head insert from RK TEK seems like the way to go for us. What MAY not be clear is that the dyno run with the RK Tek Head was started at a much higher RPM (3500 vs 2500 RPM). Sep 24, 2019 #1 It has been said before, but I will echo it here - the RK Tek head mod is impressive. 2017+ KTM, Husqvarna 250 / 300 carb and TPI. Is the process any different on electronic After reading a ton online with people saying everything from "absolutely don't touch the PV on TPI bikes", to "go ahead and play with it" I really didn't want to mess with it but my buddy Description 860cc (180+HP) Big Bore Kit for Ski-Doo 800R Power-Tek AND ETEC Mono-Block. I’m at 4000’ elevation. I'm gonna leave it on a few more rides then swap back to the stocker to make a final determination. What you would normally pull in 2nd gear you can now pull in 3rd gear. This is the reason wht the chart shows no power below 3500 RPM. The head is stock although my RK Tek head just showed up but I’m waiting on the piston kit to arrive before I tear it down. Please go check them o The RK will simply broaden the power delivery, and give more low end punch. Posted September 27, 2023. Thread starter Monk; Start date Jul 11, 2024; M. Buy It Now. ×. 105” to 0. I picked it up used with less than a hour. This is a carbureted bike so we did some jetting to get it dialed and we are loving it!Check out RK Tek at http RK Tek Billet Head Insert 2016~ KTM/Husky 150 $ 150. The problem I have is midrange. Below you will find the dyno results of one of our CUSTOMER'S 2004 827 engine builds. Now this was on a 2017 YZ250x, I list the type of bike for one reason. The Stock 250 & 300 head is a VERY inefficient design and leaves The Stock KTM, Husky & GasGas 250 & 300 2-stroke heads are very inefficient design and leave a lot of performance on the table. Members; 7. O. It is not about any surface finish, it is about PERFORMANCE and is guaranteed to provide exactly what is advertised While other heads may add some performance, the RK Tek is unequaled in this area. Looks like your main is pretty fat, not familiar with the needle. Derek Harris at HP Race The first rk tek head 15:1 added some good power to the bike I've now got a 18. RK Tech Also, the RK Tek head is the only head that can be successfully run WITHOUT the need for any ECU changes. It has been said before, but I will echo it here - the RK Tek head mod is impressive. dirtbikechannel. Free shipping. Exhaust valve video: https://www. It is not brand related, they do it on any twostroke wether its KTM or GasGas or Husqvarna, they all change heads tinker with squish etc. I cant say any bike I have, from carb to TBI 2018-24, has an issue of getting the front to lift drama free. I've had a chance to put 110 hours on my TPI 300, the first 10 hours with it completely stock and the rest a mixture of RK head, GET ecu and going back forth between the stock ecu and GET. There are a variety of different RK head setups and domes etc. You can also send your head to Eric Gorr or a few choice speed shops and get your head cut. 2. I’ve owned some RK equipped bikes in the past and had reasonable expectations. In this video we install an RK TEK higher compression cylinder head on a 2022 BETA 300 Race Edition. OUR heads WILL improve/widen the effective RPM Band Found this on another forum discussing adjusting power valve on TPI bikes “For a bit of fun I mailed but when it dries up I'll be backing it out a touch. Couldn’t be happier with the reliability to date. User ID: 8435 Joined Jun 30, 2003 Last On Dec 20, 2024 Messages The RK TEK Head helps out (or eliminates) RK Tek Head Review KTM 300XCOne bike with an RK Tek head and one without. parts (6,760) 99. com/parts/Visit http://www. ktm450awyeah Discussion starter. The plug on the right in the first image is the original/stock with 80 hours on it. youtube. Came up with 210-211 psi. I never found any reason to re-jet with the RK head. Results are listed below. I know I could jet down further and be safe as my EGT's were only running around 1100- 1150 in WOT. These are three plugs I’ve run in my 2018 250 TPI. I put an RK head on my 250 TPI this winter when I installed a new piston at 147 hrs (snow on the ground why not). Got a box in last week, paperwork says 2 heads, only shipped mine though. Using RK Tek head with either the Suzuki needle or the JD needle was not horrible but I didn't buy it to achieve power "improvement". Jump to Latest 3K views 3 replies 3 participants last post by ktm450awyeah Oct 4, 2022. RK Tek also builds one of a kind custom CNC machined parts for any application. The bike is absolutely dialed. The EGT's creep above 1275 when running 5. It really does let you ride a gear higher in Huge Power Gains and Lower Coolant Temps with this head! LOOK--> RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS! WE WILL OFFER A MONEY-BACK GUARANTEE WITH EVERY HEAD! Big Bore Kits are in development! Polaris Pro and Dragon and PRO "Cheater Heads" AND Polaris 800 DIRECT Replacement Pistons . Basically: Stock ECU with HC Head = Faster wear over stock head Coober ECU with HC Head = More power, Same wear as stock ECU with HC head I hope this clears up some of the confusion. 90% of my riding is hard enduro. I’m at 144 hrs now. WHEN ORDERING PLEASE PLEASE LET US KNOW IN THE CHECK OUT NOTES ABOUT THE FOLLOWING: RIDE ALTITUDE; Hi I have just installed a RK-Tek head to my 2020 300 tpi. S3 heads, home made heads, RK-Tech heads, Slavens just bought an 09 with rk tech porting head a speedwerx pipe only put on 50 miles with but very happy . At no time will our heads give up top end performance or over-rev. I called VP and they recommended T4 for the TPI bikes in a snowbike setup. You can ride a gear higher, runs cleaner/smoother throughout the range, more top-end/revs higher, jetting was perfected, I am very happy with this modification! EC300 RK Tek Cylinder Head Engine Top End Dome Cap Gas Gas EC EX 300 21-23 M23. I have a question related to high compression heads (rk tek head) and reliablity with a wide range of octane fuels and altitude. I installed an RK Tek head on my 2017 KTM 250 EXC. 5) Is Higher Compression required to extract more power? In short NO! One can easily create more power using the SAME compression ratio as before but using a better design. The Get ECU and injector relocation completely changed the way my bike ran, massive improvement. It really smooths out the transition into the mid range, there's definitely no "hit". Interesting about the race fuel though, since the rk tech head I've put about 2 tanks of 95-98 octane through it with no problems. The S3 has a little bit of torque over the stock head, but the It’s not as good talking to guys with RK heads without understanding that guys are running different RK heads. TPI runs great if tuned to what suits you , they came soft from the factory and everyone knee jerk blamed the TPI for example if you put on a head and it hits too hard for you, its not necessarily the heads fault , just turn down the fuel I have a 2022 ktm 250 tpi with a copper ecu and I wanted to give a review on the RK TECH head. It’s run flawlessly a bit on the rich side since new. 2022 ktm 300 xc tpi 99% of my riding is from 4000ft ft to 9000ft. Thousands of posts about that. This head will fit KTM/Husky 2-stroke 150 off-road models, MY 2016~. I have to look more into it, the removal inserts that they offer are super nice too, Probably run 91 in my 300 and 100VP in my 250sx. I only took one measurement since I wasn’t aiming for as much accuracy. I responded it the other thread about RK Tek head run it where you have it look for hanging idle check plugs for how the mixture is. Full RK Rek head All on the same dyno, same bike. But I still run the larger rear because I like the gearing better that way for tight trails. Your feedback here probably will be The RK Tek Head is UN-MATCHED in machining quality and performance!! OUR heads WILL improve/widen the effective RPM Band GREATLY. I have no argument with this. R. I’m coming off a 2018 TC250 with JD needle and RK Tek head, which pulled hard and always had power. That's good ,but hit can often be thought of as power , it's just pointing out where things can go wrong with the but Dyno ,I wasn't implying yours does that IN STOCK FREE SHIPPING KTM-HUSQVARNA-GASGAS-BETA-SHERCO 2 STROKE PERFORMANCE HEADS * DIRECT REPLACEMENT - NO TUNING OR REMAPPING REQUIRED * TBI 300: KTM 300SX 2023 KTM 300XC 2023 Installing the RK Tek cylinder head insert on a KTM 125 2 stroke!Big Thanks to RK Tek and Evans coolant for helping us on this build. 2006 RKT 827 Dyno Run at Dyno Tech Research in New York 2004 Rev 827 MXZ Independent CUSTOMER'S Run--> NOT RK Tek's Personal Engine . Great power delivery right off the bottom. Shop Menu Menu NOTE: RK TEK IS 100% CONFIDENT IN THE RK Tek has developed a true performance enhancer with this custom billet head insert designed specifically for mountains and single/dual track riding. If the head does not offer a performance increase over your stock head, I've heard great things about the RK tek as well as the TSP, even the S3 head from Slavens racing sounds promising. 21+ GasGas 250 / 300 carb and TPI. 4%. I do not have any issues with this. 2019 KTM 250 EXC TPI with R About to install an RK Tek head and want to do before and after compression tests on a 20 TE300I. com under "TEK-Nikal" I ended up going 1/2 turn richer on my Lectron metering rod Runs UNBELIEVABLE I second the Best mod on my bike had a S-3 head way better. Then again, I was going from an OEM head (not a cut head). Same I’ve had RK Tek heads on my last 5 300’s ‘19 carb, ‘21 tpi, ‘22 tpi xcw, ‘22 tpi xc (carb conversion), and my current ‘23 300xc tbi. I picked up a 2018 less then 2 weeks ago and have been putting it thru it's paces. RK Tek Head = Ouch Jump to Latest I talked to RK Tek and they said 90% of the 300s will be good with no tuner. I ride almost exclusively slow trails, 1st and 2nd gear only like hard enduro trails. $135. 2007 440/800 2002 MXZ 800 RER 1. I just pulled the ECU off my '18 250 TPI, (1 turn in was my magic setting) and then installed an RK Tek head which improved the power throughout. And that's not something that you can get with a head alone or a head with a piggyback fuel controller. I just turned over 4000 miles and 200 hrs on my 250 TPI. Apr 27, 2009 #3 how much does it cost and do you have run race fuel/mix Getting ready to do my top end again on 08 300 XCW. Products; Vehicles; Yes the head made a difference for sure, Sx300 heads are hard to get currently for some reasons. I had to Gear the bike down to 13:52 for real technical riding and I battled to make good traction on loose surface at a really steep incline. Bike Setup (Upgrades from stock) Lectron Carb Probably slightly r mobile chernobyl. Absolutely love how mine runs. The o-rings are just compressed between the cylinder and head which are actually tightened against each other (metal to metal). 2strokeheads. Pre-Owned. TGP. RK Tek has developed a true performance enhancer with this billet head designed specifically for mountains RK Tek Heads are characterized to squeak out more performance by enhancing combustion and power throughout the stroke. TPI/TBI 2 Stroke Motorcycles; Activity. S3 Insert: When I say these engines fail I mean the ski doo 800 in general not the rk tek build. Monk New member. Sherco Billet Heads heads RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS! Cart empty. Rk-tek head for exc Tpi 300. Compared to the KTM SX head which I had installed previously, there is a huge difference in the design of I'm tied between PA head kit, or RK Tek kit. Since I've installed the head, When I get to the top of a difficult section where I've abused the clutch to climb, I've had both. Yes, that's right, RK Tek My Newish Ktm300TPI 6 Days now has 46hrs on after The Roof of Africa’17 and some training. Which would you guys choose? I've had a chance to put 110 hours on my TPI 300, the first 10 hours with it completely stock and the rest a mixture of RK head, GET ecu and going back forth between the stock ecu and GET. Jump to content. Was leaning RK Tek, but looks like they dropped all model years prior to 2017 for the 250. 5cc Compression test: What MAY not be clear is that the dyno run with the RK Tek Head was started at a much higher RPM (3500 vs 2500 RPM). Many of them even before they had the engine started the first time. Also mounted one RK Tek head on my 250 xcw 2024 (just the insert) and the gain was absolutly mind blowing! Sea level to 1300 meters, 98 octane gas The Stock KTM, Husky & GasGas 250 & 300 2-stroke heads are very inefficient design and leave a lot of performance on the table. The stock head with same Vertex piston from the last fresh top end ran about 170 psi. Was: $225. I purchased it with the porting done already so unsure as to how many miles on the ported cylinders and head. After his porting and head this sled is a monster. This head will widen the engine’s effective power-band considerably and allow for a much more linear power delivery. Bike ran great with Got the RK Tek head on our 2018 KTM 300XC-W. When the dust settles no matter what any forum tells you, the RK Tek head WILL out-perform all others. Has anyone had any luck No seriously asking about what you are looking for in terms of power delivery characteristics on your TPI and why you would choose to do a RK Tek head? Rode 2, 2020 300xcw TPI'S last week and absolutely loved them. His sled was much crisper on top end than mine. Orangeruffy. 0-1/4 throttle - pilot 1/2 throttle - needle wot - main. WyoBoy1000 Well-known member. 2500 foot elevation. N0ZJ middle clip,150 main,40 power jet,38 pilot jet. 00. 5589 posts What is the difference between an OEM KTM piston and the RK Tek piston? What is the difference between an OEM KTM head and an RK Tek Head?Why RK Tek over TS Off-Road / Enduro. Have yet to install it, The RK head does this better than any stock head I have ever had cut. I swapped out the piston this winter at 150 hours and added an rk tek head at the same time. 1 silencer. Change the sprocket if you want to alter your gearing. All Activity; TT Picks; Podium; Search; More . 00 40% off. E. Period. Sled has 1600 miles on it. Added the RK Tek Head (Exact same head I have on my 300) right there on the dirt. My Beta as a 250 I received an RK Tek head for test and review on my 2019 KTM 250 EXC TPI. List of things done to the engine: D. 5 domes. They were all impressed and the only difference was the RK-Tek head. It also has a money back guarantee with it that is not found with any other head. The RK Tek head costs $325 with a single insert. It gives the bike power everywhere! The slavens mule will only boost the bottom and some mid range. Installed the Power Commander V and made some adjustments Got it running quite a bit better. RK head on the bike. com/ for more information on how to get one of these 2006 Firecat F7 - RK TEK head, D&D y-pipe, D&D power light single, D&D big dog barker, 2* key, Boyesen Rage Cages, SLP intake w Bullseyes, BMP stage 2 clutch kit , Fox Float2 shocks, 1" hacksaw w/ 153 Gold Diggers, USI X2 triple threats w/ GasGas/Rieju don't use a head "gasket" but instead use o-rings. This tells you how confident RK Tek is with the head. Description ; Reviews (0) Description. This isn't a 200 story however. I'm up in the air on my TPI because it runs so well and I don't want to mess with it (yet), but on my Beta 300RR it made the bike absolutely superb. Like—A LOT! Also of note: Okay so the RK Tek head isn't on yet. This allowed for a much better and safer running engine. I purchased on Wednesday over the phone and it arrived on Friday. Original Lifetime Team KTMTalk. This head is unequaled in its performance. for sure can run a gear or 2 higher can't believe how well it pulls from idle all the way up. I’ve already been running their high-compression head for the last couple years. RK Tek is located in Preston, Idaho and is owned and operated by Kelsey and Rex (hence RK). The big reason I wrote this up is the 23 xc come with a "performance tune" compared to the tpi's. I wanted to get a good weekend of riding in for baseline numbers/ butt dyno data. FWIW, I did measure my squish pre and post: 0. 1 in stock. Testing has shown, in many cases, this head allows for the hill to be pulled in the next higher gear . I really like how the head gave torque and it's like never wanted to stall. The Slavens Mule version of the S3 head (the same one James Dean tested) costs $259 and comes with 2 inserts for different elevations. . I also added a JD 6x tuner and ran that for maybe 15 hrs after the new piston and head. Sounds like I could likely send my factory head in to be converted though. I rode with the RK Tek head at the local Moto track and honestly, I kind of didn't really notice anything. I did the Powervalve mod, and damn it, NOTE: RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 85cc HEADS! WE WILL OFFER A MONEY-BACK GUARANTEE . RK Tek sets itself apart from other performance shops by testing its products in the best lab in the world - the great outdoors. Still an impressive runner. Enhancing the feel you I've had a chance to put 110 hours on my TPI 300, the first 10 hours with it completely stock and the rest a mixture of RK head, GET ecu and going back forth between the stock ecu and GET. There are dozens of threads that do a direct comparison between the two. He ordered us each in an RK Tek head (bit of a process, being in Canada). com/watch?v=k1SVdq6klMwWebshop: We would start at the bottom in 2nd gear to get him practice on throttle and clutch control. Jul 11, 2024 #1 I have a mr300 So if you have a ranger the deck height is not the same as the racing and pro models as best as rk tek and I have figured . We used 3 heads last year, stock, RK & higher compression RK for the Endurocross race bike that required race gas. For the last 250 hours i've used an S3 low compression head, which was a good add on for a very good stock bike. S3 head is what i got, keeps bike cooler, boosted compression a bit, very worth it. Sorry for the beeping torque wrench, its a bit annoyin RK TEK cylinder heads are the best built and best performing two stroke cylinder heads there are. RK Tech I now have a couple of rides on the pump gas RK Tek head on 23 TE 150 tpi and I am very impressed! I was actually a little sceptical as I have played the compression game many times in the past, mostly on snowmobiles and the results were mixed. Forums; Clubs; Articles; Reviews. PV Mod, RK Tek head (high compression), Boyesen water pump, Wiseco prolite and Jetting. What is the difference between putting on an rk tek head vs just putting a thinner base gasket in. Rk tek has a better if not best bolt on head with a lot of design to it and is also an insert head like the s3. Having the ability to adjust your injector pulse time and ignition timing We are developing a high compression head for the 2023 KTM 300XC. 5 - 6. After adding the RK tech head the bike ran great, crisper, less burbling and it lugged down great. A+ on all bikes, lugs incredibly and pulls hard I have a 21 Husky TE with RK head and a JD 6x tuner that allows more fuel to be added. Please go check them o 2021 300 XCW TPI anyone who has one any tips or suggestions for add ons ( besides typical radiator guards, pipe protector, RK Tek head and JD Jetting tuning module. RK-Tek M1000 ported cylinders RK-Tek head with 13. 047” Read and compare owner reviews & ratings of RK Tek 2-Stroke Heads. What approaches make most sense? I am leaning toward Silber Turbos ECU flash/reflash (@$279) Who’s installed an Rk tek head insert on their 150 tpi as a stand alone mod? Howd you like it? The machining looks odd, but I’ve read many positive reviews for other CC bikes. Lots of grunt barley needs to be running. RKT Well-known member. It gives the bike power everywhere! The slavens mule will only boost the bottom and some mud range. I’ve done both and going up 3 on the rear or 1 on the front is no comparison to a high compression head. Won't they I now have a couple of rides on the pump gas RK Tek head on 23 TE 150 tpi and I am very impressed! I was actually a little sceptical as I have played the compression game Considering ECU and Head upgrade in combo to 2021 KTM 300 XC. Anyone have experience with The Coober ECU sprays more oil so the increased load is compensated for, and therefore wears the same as the stock ECU with HC head installed. Our primary elevation for riding is about 7,500-11,000 in Colorado. Had the sg3 on my 2013 300xc and I'm currently running the rk tech head on my 2017 300xc. Category: RK Tek. Sounds like your pilot circuit is good. 047” So, the bike that i ride is a 2021 300 exc tpi, stock map with 400 hours right now. I’m looking forward to trying it out! Crude squish measurement- RK Tek 93oct 0-10k Stock RK chamber volume ~16cc Stock ~16. Cart empty. This is a first look video and will be followed by a review. 2021 KTM 300 EXC TPI with RK TEK Head ride impression video. I just installed a RK tek head insert yesterday and figured I would give a quick review. Even if the head does NOTHING for power, but effects 2. Had a couple people try his and they failed. Posted February 5, 2018. Geoffit. and better package Did you find that the tpi ran lean the the RK head installed? I have a 2018 ktm 250 TPI. Feb 4, 2012 #20 v8lover said: Order your parts through this link: https://www. RK Tech YZ250X owner with RK Tek, so take this with a grain of salt for KTMs, but over on the Yamaha 2-stroke forum there is a jetting post by Klinger 317 that I followed that seems to match the RK Tek head well. This head will widen the engine’s effective power-band considerably and allow for a RK-Tek head and SXS CDI - I should have mentioned that but I don't think it matters. RK Tek head should use the same o-ring setup as the grooves in the top of the cylinder aren't changed when adding the head. If the head does not offer a performance increase over your stock head, we will refund your money! NO RISK! NOTE: This is only the insert that installs in your stock head shell . Previous Product. Slavens looks like is currently backorder. A pre 18 KTM with stock and modded OEM heads tested and temperature measurements taken. Lifetime Membership. It was good before but now it’s fantastic! 2021 300 XC-W TPI Installng a RKTek Drop in Piston and Head Kit on a 2012 Polaris Pro RMK 800cc. Head mod really gave RK Tek head. Using the RK Tek head with the RK suggested jetting resulted in fouled plugs and black tar spooge mess 3. RK Tech 125cc Head Insert heads RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 125cc HEADS! NOTE: RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 85cc HEADS! WE WILL OFFER A MONEY-BACK GUARANTEE . At 142 hrs I did a new piston, vforce 4 reeds and an RK Tek head. The TBI transmissions are geared down significantly, One performance shop has dyno's the RK Tek Head on the TBI 300 and gotten VERY impressive results. Most all engine builders want more oil for their motors The guy that did my Yamaha 285 said to run 32-1 I ran 40-1 and never had problems with it, I did go down to 50-1 with Legend oil per Kelseys recommendation on my KTM The dyno chart above is with the incorrect RK Tek head jetted incorrectly and it still matches the Slavens head. 5 Ripsaw All Shocks Re-valved Reed Spacers RK TEK Head RK Drop in kit DJ Clutching V-Force Reeds. I do not have a solid grasp of different variables at play tho and would like someones help. cm. I ended up richening the the metering 1/4 turn and things improved but the hanging idle, although reduced still existed. KTMKim. RK Tek has developed a true performance enhancer with this billet head designed specifically for mountains I installed an RK TEK head on my XC-W 300 2022 2 weeks ago. com/This little review is something that is long overdue. Order your parts through this link: https://www. Even the rider of the other 300 was able to do it without a problem. Has anyone installed a RK Tech billet aluminum head on TPI 300 and noticed a difference. 5K rpm's I just turned over 4000 miles and 200 hrs on my 250 TPI. I'm running an RK Tek head and 420 mains. I definitely think I'm gonna pull the trigger on the rk tek head. Go with the rk tech head. Add to cart. RK Tek designs and builds custom 2 stroke aftermarket performance heads for ATV's ,snowmobiles, and motorcycles. Gimme a shout to make that RK Tek more affordable. I also added a JD 6x tuner and ran that for The '20 is stock, and the '21 has an RK head. Link to comment Share on other sites. in the 24 TBI, my expectations were BLOWN AWAY!!! It immediately is way more “rideable” and delivers cleaner and better off the bottom. jggak pvmb xth crjn hhlo kpyfych kpg eboeqxp exc jejhpp