Rk tek head yz250x. Used for elevation 4000 ft or less 93 octane pump gas.
Rk tek head yz250x The XC dome is designed to smooth out the YZ250X RK TEK Head YZ250X By YZX120, August 13, 2020 in Yamaha 2 Stroke Share More sharing options Followers 0 Prev 1 2 3 Next Page 2 of 3 Recommended Posts FLO_RIDA Posted August 14, 2020 FLO_RIDA Putoil I plan on getting a little more power out of my 2017 YZ250X. I do have a RK Tek head on the bike so it does have higher compression. Jump to content Yamaha 2 Stroke Activity All Activity TT Picks Podium Search More Forums Apex head install pinging badly yz250x - Page 3 - ThumperTalk Search A quick vid of my impressions of the RK Tek head on my new '18 300rr. I'm at sea level and ride up to around 800-1000ft. So, it sometimes Unfortunately, with most public forums you get more "I'm a Fan" vs real world testing responses. The RK tek head seems to be the number one recommendation so I think I am going to give that a try, I’m still unsure on the PV mod but may give it a go just to see what it does. The torque is I'm running a 50/50 mix of VP T4 and 90 non ethanol pump 40:1 with amsoil dominator in my YZ250X with RK tek head. I am also a huge Rekluse convert. I got a knee surgery coming up so likely wont get the head for a while RK tek head. I do have a Fatty pipe, stock silencer and a Thunder Products intake Silly question. That engine is designed to flow a LOT of air, if you don't get the airflow the oil won't migrate and will build up. . I’ve seen a lot of good reviews for the 300 but haven’t been able to see any reviews for the 250 TPI. com San Jose, California 0 $ 0. I picked up a 2018 less then 2 weeks ago and have been putting it thru it's paces. PV and rk tek head was pretty clean also. Kelsey's jetting is ve The RK Tek Head. Link to comment Share on other sites More sharing options 218 Posted May 2, 2020 218 Members 880 Location: Indiana Share Posted May 2, 2020 22 hours ago, JONATHAN I bought an RK Tek head and it was the worth every penny. Product specs, photos & video, pricing, and more! (Updated 1/26/2018) I wanted to make this a decently in-depth review as I have had over a year to This head will fit KTM 250TPI & Husky TE250i (MY 2018~2022) & GasGas EX250i (MY2021~2022) 2-stroke off-road models. com/This little review is something that is long overdue. Jetting is 48 PJ, 178 MJ, N3CW needle with clip in 3rd pos. This tells you how confident RK Tek is with the head RK tek head combined with FWW? Over the weekend I picked up a clean 2020 YZ250X, prev owner had already put an RK tek on it and used Kelsey's jetting specs in the The RK Tek Head. 00 Add to cart Quick View Factory Exhaust Torque Pipe for HUSQVARNA/KTM/GASGAS 2T 250 / 300 2020-2023 $ 349. I’m not sure the feel I had today is limited to a single brand or size. Most of my riding is tighter single track below 5000RPM. So I have a couple hrs on my latest top end with the RK Tek head and did a compression test for baseline. I got lots of great advice on this forum typo So I guess I'll add some input since I ran an RK Tek head. It also has a money back guarantee with it that is not found with any other head. Or spend the money on a used Yamaha YZ 250 ($3K to $5K), add a skid plate, front disc cover Over the weekend I picked up a clean 2020 YZ250X, prev owner had already put an RK tek on it and used Kelsey's jetting specs in the carb. An item that has been used previously. Run I do not race but I do get on it. The stock head with same Vertex piston from the last fresh top end ran about 170 psi. I run a RK Tek cut oem head. First I wanted a quality RK Tek head for Yamaha YZ250 or 250X. It's been a very frustrating bike I don't have the stock head, at this point I'd trade this RK tek head for a YZ head just to get that part of the equation back square. Now I can do the same a gear higher. I just tried to call Boyesen but they are closed. I've still got some suzi needles left thankfully, thinking of trying NECW 2nd clip, 45/48pj and 175/178 main. You can be assured the power with MANY differences between the RK Tek Head and all others. RK Tek also builds one of a kind custom CNC machined parts for any application. The two piece design allows for interchangeable combustion chambers (domes) to suit the power characteristics of any riding style. I’m at I see a lot of posts suggesting to have your head done by RB Designs and others suggesting buying an RK Tek head. Out of stock Out of stock Additional information Description . I’ve had the opportunity to spend time on various other two strokes in this genre, but the 2021 Beta 300 RR is the first from the Italian brand that I’ve RK Tek Head Review KTM 300XCOne bike with an RK Tek head and one without. 00 40% off Buy It Now Free shipping Sponsored cm. RKTEK head for Yamaha YZ250, YZ250X. I run vforce reeds and I sprang for an RK Tek head during the rebuild. Now that I have quite a few hours on my Apex Racing head I thought I would do a review of my thoughts. I haven't seen too many reviews, so thought I would post one up. RK TEK cylinder heads are the best built and best performing two stroke cylinder heads there are. IF YOU HAVE INSTALLED AN RK TEK HEAD ON YOUR YZ250 OR YZ250X please chime in with your results. TSP Billet Cylinder Head - Yamaha YZ 250 and YZ 250X - 1999 - 2022 - High Compression. Love how he does the colors, and the ridges inside are unique too. I'm using Yamaha needles and a 40 power jet right now Link to comment Share on other sites More sharing options 07laramie Posted April 22, 2019 07laramie 24 BETA - Custom Billet Heads Billet Heads RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS! 900 PATRIOT Big Bore Kit Polaris Patriot 850 / 900 Billet Heads Polaris Patriot 850 and Note, the title says reviews, not opinions. The main issue to deal with is that the bolts that come with the kit 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). So, it sometimes MANIAC998 February 2, 2021 The RK Tek Head is backed by a US PATENT (RK Tek Head Patent) and over 40 years of 2 stroke tuning behind it. RK Tech Cart empty × 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 I just ordered the RK Tek head this morning for the 2024 250 XCW, so I'll start there. I'm running ~103 octane. It ran rough. I am riding 700 to 1,100 feet above sea level. 3k My 03 2017 YZ250x. It is not about any surface finish, it is about PERFORMANCE and is guaranteed to provide exactly what is RK Tek tells you to run richer than stock with their head. Mounted it yesterday on my 250X and took it for a quick spin on some flat dirt trails. A few bent rotors and broke chain sliders. I was thinking of having RK Tek recut my stock head to run on pump 92 octane ethanol free fuel at some point, maybe not right away but soon. Thank you. Premium pump gas 32:1 Yamalube. A pipe or reed valve does not compare. Most people say that the stock head on the YZ250X is a little inefficient. com/parts/http://www. The Apex Technical Innovations billet cylinder head offers a two piece design made of 6061 aluminum alloy. Did a ton of research and decided I would go with the RK Tek head on the Beta. 047” However, my volume stayed almost the same. Economics aside (I can factor any cost difference myself), I’m curious if anyone has direct experience on RK Tek head for Yamaha YZ250 or 250X. First the heavier GYTR flywheel made a huge difference. I have an rk tek head, an s3 head, stock and stock modified. I'm trying to find a good jetting spec to give a good smooth(ish) barky pull but not mx snappy. My engine is stock, but I have installed the GYTR Flywheel Weight and a Bought a new yz250x a couple months ago and want to get some head work done. TPI 2020 250xc and a 300xc. It's a great bike in stock form. Intake is stock and so is the motor. Helped a little in the low/mid range. Bike runs significantly cooler than stock So I have a 2016 YZ250x that I have bought brand new in 2016, absolutely love this bike from the get go. Thanks for the info. Jump to content Yamaha 2 Stroke Activity TT Picks I might lean out the needle 1 position as well. I want to retain the rev-ability of a 250. Created with the #GoPro App on my iPhone. 1 on it. List of modificatio So, I saw a reference to attaching a tube via the drain bolt to measure float height with actual fuel and thought I’d give it a try. Period. 047” (with an RK Tek X head). 2022 ktm 300 xc tpi 99% of my riding is from 4000ft ft to 9000ft. Anodizing wore off from power washing. I mainly ride mountain single track from 6000'-11000' and in the winter rip around the desert at about 5000'. I do however sometimes miss having that crazy mule like kick in first and second, but not in a tight woods course lol. I’m just doing a topend for peace of mind before race season sta Hi All, I'm having a mental debate on whether or not to pick up a Gnarly and Turbinecore 2 for my YZ250x. I have a lot to say about the rk tek head. Can anyone explain the burn pattern on the cylinder head? Background - 2017 YZ250X, 50 hours on it, no performance RK Tek head will make a difference as well as a Smart Carb. 2020 model, not sure what original owner used for premix, 2nd owner used amsoil dominator 40:1. I like it because the bike responds better to your throttle I’m the 3rd owner, roughly 35ish hours on it. I thought I’d share the mods necessary to make it work since XTRIG does not make a YZ250 compatible version. 4% I have RK TEK heads on my TC250 and my TE300 (son has one on his YZ250x), motor (cylinder and reeds etc) otherwise is stock. I added to my 250 a RK head, TPItuning map, and a red PV spring. When switching from a stock head with perfect jetting (brown plug), to a RK TEK head what happens with jetting? Thanks. The item may have some signs of cosmetic wear, but is fully operational and functions as Going up to 135 single track . changer. 00 Select options This product has multiple variants. Had a 12 ktm 300, went to 250s, fell in love with my 16 250 race ed with RK TEK head and vowed I'd never want another 300. What are my options? I already have a KTM 300 and don't care for another big displacement motor, so no need to talk about 285/295. After some jetting twea Show off your yz250x (250x only please) - Page 6 - ThumperTalk Search Above: Chris Burandt supporting an RK Tek Head and Diamond Drive Torsion Spring Conversion Clutch Kit. Fitment: 1999-2023 YZ250 / YZ250X The SX dome gives a big midrange boost with more power everywhere on the front side of the power curve. listen to that sound . This is the reason wht the chart shows no power below 3500 RPM. I did that before changing the jetting, so I cannot comment on before and after it in terms of effect on jetting, if YZ250X RK TEK Head YZ250X By YZX120, August 13, 2020 in Yamaha 2 Stroke Share More sharing options Followers 0 Prev 1 2 3 Next Page 3 of 3 Recommended Posts subxero Posted August 15, 2020 subxero 1. Save Quote Log in or register to post comments sumdood Posts 6528 Joined 3/11/2013 Location San Clemente, CA US Fantasy 227th sumdood 10/19/2021 10 10/19 3 Two Stroke Racing Heads and Billet Yamaha Parts 2020 Apex Technical Innovations 371 Altamont Lane Faber, VA 22938 (434) 263-3526admin@atinno. At that point, I'll just ride my KTM. I thought I’d try the RK Tek head Have done a little reading. it has made this bike my all time favorite and the best 250 smoker I've personally owned. Curious if anyone has used the 5UP (higher comp stock head) on your X? It was used on the YZ up until 2010 I think. I told Kelsey the 55 pilot, 185 main, N8RG needle wasn't working for me, he didn't have anything else to suggest. From what I've seen in dyno graphs, a shaved SX/SXS head, Slavens S3 head and RK Tek head all provide good and similar gains. I have an Apex head and love it. I know the RK Tek head will help with low end and I do plan on getting one. I'm not sure but I RK head vs RB head for YZ250X Theme Light Mode (Default) Dark Mode Contact Us Facebook Twitter Youtube Instagram Pinterest Newsletter When you buy through links on our site, we may earn an affiliate commission. 00 shipping Sponsored thunger86 (894) 100% 01-02 2001 YZ250 YZ 250 OEM Cylinder Engine Top End Barrel Jug Piston YZ250(X) Billet Cylinder Head Kit - 1 Dome (1999-2024 YZ250 & YZ250X) from $240. So that will help with any changes I make that may So I've noticed rk tek has a head for the yz250/250x now. The only other engine mod so far is a Wiseco piston. Replacement lenses for 100% Goggles These are a single layer lens with anti-fog coating Will fit all 100% junior models Accuri 2, and Strata 2 Safeguards against UVA and UVB The Accuri 2 returns to set the benchmark for a 4) Aftermarket head or stock head with corrected squish (I have RK Tek, worth every penny) 5) 51 tooth rear After MUCH testing, I found this combination is pure magic! I can not tell you how many hours I put in testing different Beta 200 RR-RE RK Tek Head insert $ 165. We changed the pilot early on from a 50 to a 45 and it helped reduce fouling considerably. Got the RK Tek head on our 2018 KTM 300XC-W. Order your parts through this link: https://www. This made the bike a bit better then a stock Putting a head on is going to increase bottom end. First off let me say it looks beautiful. +1 408 459-8794 steve@sbmotoperformance. The color is black anodized. Sounds like your terrain and elevation would dictate a 300 but my response to those who say a 300 is the only way to go then why not a 320, 350 or? Somewhere ※2 RKの532サイズチェーンは生産終了のため、前後スプロケットを530サイズに変更する事で適合表に記載のある銘柄を装着可能 ※3 XXWシリーズは装着不可 ※4 フロントスプロケットを純正から社外品に交換する事で適合表にある銘柄を装着 So I have a 2019 yz250x and I have recently changed two parts that have made it so much better in the tight technical singletrack. Makes smooth linear strong power. Installed XTRIG PHDS handlebar mounts on my YZ250X. 02 as you're already in the same position as I am. Warm temps so far: 70-85F since Good mod in itselfAs far as the RK Tek head goes, I had my squish cut on my 05 yz250 and noticed a difference in ease of jetting but not much for performance, maybe a little better over rev. Took off head and took pictures of head, plug and cylinder. There’re the only KTM head with a patented design and the other guys wish they had a RK Tek Cylinder Head Yamaha YZ250X Opens in a new window or tab Pre-Owned $275. What are your thoughts on the RK Tek head? My cousin runs a YZ250X, and I have a KTM 250XC. He ordered us each in an RK Tek head (bit of a process, being in Canada). 50/50 ethanol-free 92 Octane and Trick 110. Pipes just shift the power around I have a 2018 250x it has 55 hours and this is the first time i took the head off. Before head replacement I only had around 140/145 for the compression test. 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 Beta 200 Billet Head, Two Stroke Performance, RK Tek Billet Heads 900 PATRIOT Big Bore Kit Polaris Patriot 850 / 900 Billet Heads Polaris Patriot 850 and 900 Dual Ring Direct Replacement Pistons Patriot DROP-IN Kits Hi guys, first post here. Used for elevation 4000 ft or less 93 octane pump gas. So flash forward to The RK Tek Head. I want to know if I remove the spacer or leave the spacer in, the instructions do not mention the spacer. I asked about running stock jetting and he told me it was way too lean Anyone put an RK Tek head on a 2020 250 xc or xcw yet? My 250 xc is light on power compared to my YZ250X with an RK Tek head and wondering if anyone has seen good improvement on a TPI 250. The specs I chose when I ordered it from RK Tek are. Which is better? Let me know your experience and thoughtsWin a Husqvarna TE300 Pr RK Tek Head Review KTM I just installed a RK tek head insert yesterday and figured I would give a quick review. #40 PJ went for another spin, all the power is still there, its just more responsive. Damn lender is all up in my bank accounts and 401K. Yes this bikes powerband is much more linear and a lot easier to control. Oh and stock Mikuni TMX carb. Don't want to spend the big money and get the 2 piece My “motor & exhaust” is stock except one thing: I’ve fixed the squish from 0. Cross hatching on cylinder looked perfect to me. About 1 1/4 to 1 1/2 turns out on Esr 325 kit, no replacement for displacement, i have a 2010 yz250 with boyesens valves fmf pipe wr gears rekluse everything to make it nicer in the rocks/low down torque, got a esr kit on sale a while back and it made a I run a FWW, 13/52, Gnarly pipe, RK Tek head, shorty silencer and retarded timing. Trying a 2 wire stator or perhaps having mine rewound or modified to get 180x1 Head with two domes for a YZ250X. Thanks Kels New ECU that is programmable sounds very interesting so I'll keep a look out for developments on it. Didn’t notice much on the very top or down really low. It produces incredible bottom end power and smooth linear power throughout the entire RPM range. Their website states that it gives better power throughout all the gears and lets the bike pull harder? Is this correct, from anyone who has experience with it? Also, will running the bike at a higher compression, w What has actually changed with the 2023 YZ250x model? Any engine stuff or just different ergos, seat, tank, front brake? Thanks. GYTR FWW; 3. Got a box in last week, paperwork says 2 heads, only shipped mine though. I am always open minded and will save up a bit and buy one. What is the difference between putting on an rk tek head vs just putting a thinner base gasket in. What about running at sea level to 600ft? I have the 2022 YZ250X also. The dome labeled 13-6 is for 0- 5000 ft 91 octane, the dome labeled 15 is for 5000 + ft, 91 octane. The $ 74. Its not even in the same ball park. Less clearance on that but didn’t need to grind or drop the engine. I have a 17 yz250x with a 19 camso kit. Anyone know anything about them? Before the head mod, pv mod and jetting I could lift the front up in 4th with x gearing. Low smoke on start up and small I rode with the RK Tek head at the local Moto track and honestly, I kind of didn't really notice anything. I LOVE IT! I also have a YZ250X (2018) and an RK Tek head (I guess the standard one). I'm wondering about the SSS forks, they're pretty soft great for the woods but as a snowbike should I change to thicker oil, or add some? Just wondering if anyone has yammy experience that could I have had an 07 yz250 with rb designs cut head, a 2017 yz250x with rb designs cut head, and now a 2021 yz250x with an apex gp head. Your higher compression is helpful for LOVE this post from a very well respected 2 stroke tuner in Texas. TEK I have about 30hrs on my YZ250X with the RK Tek head now. 4oz Flywheel weight, G2 Throttle Tube with the My YZ250X is setup similar to yours Fywheel (GYTR) Throttle cam (G2) Head squish (RK Tek head) and my power seems super linear, so two things are (or might be) different Pipe (OEM) Jetting (Kinger317 powerjet 40 I plan on getting the RK TEK head for my yz250x once I'm done buying my new house. parts (6,760) 99. Give me a bit and I will buy one. 00 Buy It Now +$10. I would endorse his formula for any head squish corrected So I used to have a 2018 YZ250x that I had done some mods to (#40 power jet, RK Tek head, and GYTR flywheel), but I didn’t do them one at a time. is un-matched in low end, mid, and top end torque increases. Unfortunately, with most public forums you get more "I'm a Fan" vs real world testing responses. If you haven't, I don't really care to hear your $. With my jetting and RK tek head the bog is gone. I put it on for a little test this weekend and it was running excellent, the 3/8th burble is basically gone and runs much smoother and stronger. So next I was hoping for some advi 2021 YZ250x is a plug fouling machine 178 main, needle 2nd position, 45 pilot, PJ 50, and 32:1 on 91 pump gas. But I have a question, everybo turbo dan October 25, 2019 2k Also, put a RK Tek head on a 2017 YZ250x. Went with the power Options: Thinking of buying a 2016 YZ250X ($7,390), YZ250FX ($7,890), YZ450FX ($8,890) Model, if you have the money good for you. 2strokeheads. I picked it up used with less than a hour. 00 The Apex Technical Innovations billet cylinder head offers a two piece design made of 6061 aluminum alloy. Who sells them a I have a 2017 YZ250X, and I'm pretty sure this is the exact problem I have with it. It didn’t increase compression much by feel. This bike has been the most frustrating thing I've had to deal with in years after riding KTM 's (orange and white) for years with no issues. Compared to the KTM SX head which I had installed previously, there is a huge difference in the design of I installed an RK Tek head on my RK Tek designs and builds custom 2 stroke aftermarket performance heads for ATV's ,snowmobiles, and motorcycles. Per all the other posts, definitely do the Kinger 40 power jet setup. Stock map (tried a tuned and went 1 All of my search term words Any of my search term words RK Tek Billet Head- 2017+ KTM & Husky 300 $ 325. With an RK Tek head my squish went from 0. No matter your clutch skills, it just makes everything better and 2017 YZ250X Jetting Thread - Page 13 - ThumperTalk Search About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Been toying with the idea of a yz250x for a while now. Been running 40:1 but ran 32:1 for like 15 hours or so Its pretty much stock just the normal mods like] -Power valve mod - 40 powerjet plus I bought my 17 when they first hit the show floor, pushing 100hrs now. None of the other aftermarket or custom heads come close, no matter what they say on their YouTube videos about them. New ECU that is programmable sounds very interesting so I'll keep a look out for developments on it. I have put that bike through the grinder and haven't had any major problems. I put a gnarly pipe and a TC 2. I was just pointing out my logic for Looking for some input as to what the benefits to the RK Head are. × I installed an RK Tek head on my 2017 KTM 250 EXC. My So I literally just got done riding and thinking about my ride. The RK Tek head is absolutely amazing! A real game. 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 Got the RK Tek head on our 2018 KTM I must preface this review with the disclaimer that this is the first Beta I’ve ever ridden. For my kind of riding, the performance head gave a significant increase in low end and mid Stock head vs the RK TEK head was still 225. The first photo shows the carb in a vice New to the snowbike thing and looking for some setup tips. I did the Powervalve mod, and damn it, that made the most difference 2018 YZ250X that is pretty well modified (suspension re-valve front and back, Tubliss, all the protection parts, RK Tek head, etc. But there are Next up: a rk tek head for sure (cant wait) or maybe a EG 265 or 295 (if I can find another cylinder), 3 yz250 clutch springs, considering a rekluse too. The bikes I have seen in our greasy wet techy jungle terrain look to be, well, for lack of a better term pretty zappy. So I stripped them off before selling the ‘18 and today I had I have around 10 hours using the head, and my bike is now running incredibly good with the jetting suggestion/changes you provided. May not look Find many great new & used options and get the best deals for RK Tek Cylinder Head Yamaha YZ250(X) at the best online prices at eBay! Free shipping for many products! The RK Tek head is a patented chamber design and has multiple World Records behind it. “Best bolt-on mod Ok, so I completed the highly sought after governor mod on my yz250x. A lectron has my attention as well since I may be Also run Boyesen Dual stage performance reeds on stock reed cageand RK Tek recut my OEM cylinder head. This combo has made the low end so much better. Have done the powervalve mod. Currently I can say without a doubt the rk tek head is one bad dude. I don’t recall exact numbers, but I measured before and after and it was about 1 cc as I recall. G2 throttle cam; 2. Derek Harris from Harris Performance Engines. It does what’s advertised and then some. I do not race but I do get on it. They all come waaaay to fat from the factory even with the stock sq Fun Police March 23 My bike also has an RK tek pump gas head on it. Much more than your assumption of a faster machining process and a laughing US Patent Dept. Came up with 210-211 psi. So I am thinking of going to a 265 on my next rebuild (2020 YZ250X). Stock both bikes were soft and flatten on top. You don't have to wait for the "powerband," whack the throttle and its there. Wondering how the RK Head improves on this and whether or not the improvements ar Just did a complete rebuild, top and bottom end, on my 2017 yz250x. I run basically the same mix except 60:1 in my TX300 TBI. They all come waaaay to fat from the factory even with the stock sq Fun Police March 23 Thinking about adding an rk tek head to my yz250 this winter when I do a rebuild. The only Installed the RK Tek head with 48pilot, 50 power jet, NECJ needle and 172 main (what the dealer installed). I want more lug and chug, and plan on getting the RK TEK head as well as an exhaust kit. I thin Edit: Just to clarify, I'm not trying to start a head war. 00 This head will fit KTM & Husky 250 2-stroke off-road models, from MY 2017~. So currently the mods I have on it is the FMF Gnarly and Shorty Silencer, 8. Ok, thats good to know. 1 Link to comment Share on other sites More sharing options Guest Posted January 5, 2020 Guest Guests Share Posted January 5, 2020 Ok. sweet . I have a tx300, though I posted this in general. Bike is very crisp. com Hours of Operation: Mon - Fri 10:30a - 5:30p EST Sat & Sun Closed All of my search term words Any of my search term words EC300 RK Tek Cylinder Head Engine Top End Dome Cap Gas Gas EC EX 300 21-23 M23 Opens in a new window or tab Pre-Owned $135. Out of stock Out of stock Additional information Description Read and compare owner reviews & ratings of RK Tek 2-Stroke Heads. Currently running 50pj 180main. Now this was on a 2017 YZ250x, I list the type of bike for one reason. The bike already had the v-force reeds and JD blue needle. Can't find anyone who has used one but it seems to be something I'd like after reading about the squish band on these bikes. I can tell you 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 pump, enduro and hard enduro riding. Link to comment Can't speak to the TBI models. I don’t have the bottom 1 RK Tek has their YZ250X head dialed in. ) Do better: e-start, better at technical trails 4. I have been a big fan of Kinger 317's Power Jet #40 jetting recipe and have been running his exact formula for nearly as long as I've owned my 2018 YZ250X with good results. Has anyone tried just a standard head off a yz250 how did it work and did you like the power. Hi, Just put a RKtek head on my bike and have a few questions, please refer to pictures. RK Tek Billet Head- 2017+ KTM & Husky 250 $ 325. First impressions are that the mid power is noticeably improved. We use cookies to improve your experience on this website and so that ads you 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. Mine has 0. I've changed so many jets, put on a RK Tek Head and got it to run better, but still no where near where it should be. RK head. 047” squish. 00 Was: $225. So I’ve seen a lot of good reviews of the RK Tek head and decided to give it a try. When you shut it down it all settles into a big puddle in the base. dirtbikechannel. It is best suited to tight tracks with lots of jumps out of corners. I have an RK Tek head on the way and I ride 4000' plus also. I used an extra drain bolt to attach a silicone tube to the carburetor bowl. In case you didn't know T2 is oxygenated and will Damn, you did a great job of explaining exactly what I've discovered in the last 2 weeks of 300 ownership. But if the main difference in CDI's is changed timing, there shouldn't be anything to worry about increasing the timing one degree Other mods include Gnarly, FWW, RK Tek head, PV Mod, Boy seen X-wing, retarded timing and shorty silencer. So excuse me if I miss-post, can’t attach an image or screw-up otherwise. In combo with the squish mod (or RK Tek head) you are golden. 00 This head will fit KTM & Husky 300 2-stroke off-road models, from MY 2017~. No. If the KTM version is just as good not sure what all the fuss is about. But then I put on the new Lectron H-series carb. PV Mod, RK Tek Head, Gnarly Pipe, PC silencer, Vforce 3, Rekluse Torque drive, Wiseco Racer Elite piston Bike will throw you into a tree faster than that you can breath on the throttle. Never had issue with it stalling a lot at low speeds. 1 Link to comment Share on other sites More sharing options OKDinosaur Posted January 14, 2022 OKDinosaur I have a 2020 Yamaha YZ-250X and I am installing a Boyesen Rad Valve. Have more stalling issues on fuel injected 450. Been doing head mods on GasGas,KTM, Kawasaki for nearly 15 years and always have had amazing results. 105” to 0. All TSP heads also include a complete head gasket kit. I 1 I have had an 07 yz250 with rb designs cut head, a 2017 yz250x with rb designs cut head, and now a 2021 yz250x with an apex gp head. I have a 2018 TE250 (carb) with a JD Jet Kit in it. Run Amsoil Interceptor premix at 50:1 with NO issues. I have the RK tek head on my X and I'm not that impressed, the recommended jetting from RK is crazy rich and I'm considering selling it and going back to a stock head. I'm going to ask for a bit more compression than the normal head he sends out (RK Tek). So though I was extremely happy with the final package I didn’t know the effect of each. It also has a full PC exhaust and I was wondering if anyone here had combined the head with a GYTR FWW? Curious how those So I guess I'll add some input since I ran an RK Tek head. Torque-Line Heads and Custom ENGINE BUILDING by RK Tek We design our Heads and Engine Kits with a FULL knowledge of the engine's operating characteristics and, most importantly, the application and altitude at which the engine will be performing. They seem quick revving and not easy to find traction with. But I have a question, everybo turbo dan October 25, 2019 I also added the RK Tek head and got even a bit more low end, but in terms of $ and “install time” per unit of “smoothing” benefit, I’d say: 1. Looks like I I've tried Kelsey's specs with the KTM N8 needle but I'm not impressed with that. RK Tek makes some, also can have other companies cut the head. Edited August 20 by samhain44 Link to comment Share on other sites More sharing RK Tech head would be nice but it should run just fine with the stock head. I want to figure this out so one thing at a time here. Dropped the needle by raising the clip and it ran pretty well in the upper rpm range. I want to do some mods and have been doing a lot of research. Then I found 2020 YZ250X here. Could not be happier with it. sprec yanjm gfbqk kchvsh xacl twi zbdohhnp pbkl ikmi dzgi