Accessibility Help. Dome selection 1992-1998 Y31 21.6cc Y32 … RK Tek sets itself apart from other performance shops by testing its products in the best lab in the world - the great outdoors. The squish band is a very important part of head modifications and this is where we spend a lot of time. If you are ordering cheater heads, we will need to have your OEM heads to make the modifications. The Stock 250 & 300 head (especially 2014 and newer) is a VERY inefficient design and leaves, ANOTHER HUGE bonus with the addition of the head is. Here is a RK TeK head I tried out on my YZ. Heat is the enemy of especially 2 stroke engines, as the race goes on and the engine gets hotter, the power drops off. With this confidence increases as well. This head is unequaled in its performance. 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.. Head is available and custom made for ALL riding elevations and octane.. RK Tek is located in Preston, Idaho and is owned and operated by Kelsey and Rex (hence RK). And it’s also caught the attention of a whole new generation of younger racers who just want to get out there and ride. VHM has been the world leader in Two Stroke performance heads since 1978. Night Vision Mode enables the wearer to see in the d… They make this head for KTM, Husqvarna, and Beta 250 and 300 two-strokes. TSP CNC Head - Yamaha YZ250 and YZ250X 1999-on quantity +-Add to cart. Just getting the proper squish band configuration without going overboard on compression will give you great results. This head will widen the engine's effective power-band considerably and allow for a much more linear power delivery. The helmet can scan through walls in a small radius around the wearer. Information is taken at the time of order and the chamber is designed for YOUR engine and application. NOTE: The Below dyno chart is from one of our customers. Visitez eBay pour une grande sélection de stickers yamaha yz 250. Order your parts through this link: https://www.dirtbikechannel.com/parts/http://www.2strokeheads.com/This little review is something that is long overdue. This head will widen the engine’s effective power-band considerably and allow for a much more linear power delivery. The higher gear running allows for faster overall speeds and less fatigue on the riders part because the rider does not have to "work" as hard to keep traction. The Stock 250 head  is a VERY inefficient design and leaves A LOT of Performance on the table. This head will widen the engine's effective power-band considerably and allow for a much more linear power delivery. YZ250X RK TEK Head YZ250X. Page 1 of 1: JLA FORUMS | Classifieds | FOR SALE - Arizona | FOR SALE - Phoenix, AZ. The porting and head mods were step one, but they were only part of my four-stage master YZ250 engine plan. Almost all will find they are faster and in more control when running the higher gears. This head is unequaled in its performance. Share Remove Report: Sale 1782970717. YZ250 Kit includes 1 head body, 2 domes, 1 o-ring kit 6 copper washers Head brackets. So, you are forced to ride in the lower gears in order to maintain any torque. Create New Account. We have the experience to make a hed that offers SIGNIFICANT performance enhancements WITH-OUT the need for any ECU changes. NOTE: As of April 2020, we will not have the 2008-2016 KTM/HUSKY 250 BILLET Head. All designs will work with stock base gaskets and cylinder heights and offer significant improvements over stock heads. Discussion in '2st' started by hawaii-rider, Nov 16, 2018. hawaii-rider Husqvarna AA Class. In that time many World, National and Regional Championship Titles have been won in Motocross, Kart and Road Racing. Period. Performance Cylinder Head Yamaha YZ250. RK Tek Head KTM 250. This is ,usually, the result of the higher gear running. We have been working with Fuel Injected 2 Stroke Engines for decades!! 2 were here. It is clear the added torque the head provides. In 1975, Yamaha created the very first single-shock, production motocross bike ever. The plan was simple and relatively cheap (compared to … Yamaha YZ250 parts. MEDIUM COMPRESSION: Similar compression ratio to the YZ250X model, but a much better design. PLEASE.. do not get taken in by this internet "hype" regarding the need for ECU changes. Most find they can run an extra 10-20 miles further on the same amount of fuel!! YZ 250 X , Owner we not happy with the bike. After playing around with the jetting It did make my YZ faster and more aggressive. Contact the seller- opens in a new window or tab and request a shipping method to your location. None of the other aftermarket or custom heads come close, no matter what they say on their YouTube videos about them. Email or Phone: Password: Forgot account? By YZX120, August 13 in Yamaha 2 Stroke. Delivered complete with one MX insert, O'ring and necessary hardware. Yes, that's right, RK Tek draws results from "real world" testing. If you have any questionscall us anytime we're here to help. If you have any questionscall us anytime we're here to help. Almost all will find they are faster and in more control when running the higher gears. We have been working with Fuel Injected 2 Stroke Engines for decades!! Please check out this awesome video from DIRT BIKE CHANNEL regarding this head.. After the head install, the torque is produced at a. This head will widen the engine’s effective power-band considerably and allow for a much more linear power delivery. RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc  HEADS! 0 to 2000 elevation. ANOTHER HUGE bonus with the addition of the head is improved fuel economy! Sections of this page. 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. TE/TC RK Tek Head - 2018 TC250. This head is unequaled in its performance. What you would normally pull in 2nd gear you can now pull in 3rd gear. When you have a narrow power-band (stock head) the higher gears are not very usable because the engine will not supply the needed torque at the lower RPM. Condition is "Used". This head is unequaled in its performance. There are yet no reviews for this product. ANOTHER HUGE bonus with the addition of the head is improved fuel economy! MX Head MSRP $325 2008-2016. If you are ordering cheater heads, we will need to have your OEM heads to make the modifications. NOTE: PLEASE check out the Color selections for your year and model. Back to top: Advanced Search. Cooling is also increased. YZ250. Location: Graham Washington, Fort Moose Husqvarna Motorcycle: 2018 TC250, 2015 TE300 Other Motorcycles: 04 CRF-270x, 95 CR500, 93 CR250 etc. YAMAHA YZ 250 and 250 X Billet Heads (1999-Present). The RK Tek (www.2strokeheads.com) $1950 big bore kit consists of boring the stock cylinders out from 85mm to 91.5mm and fitting them with proprietary tight-fitting forged pistons. or. RK Tek is located in Preston, Idaho and is owned and operated by Kelsey and Rex (hence RK). or. Cooling is also increased. 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). 2 were here. The head comes in orange, gold, and black. Your TPI engine will run just fine with the RK Tek Head. RK Tek Inc is your premier 2 Stroke Performance Shop.. ALL we do is 2 Stroke Engines! RK Tek Inc is your premier 2 Stroke Performance Shop.. ALL we do is 2 Stroke Engines! The higher gear running allows for faster overall speeds and less fatigue on the riders part because the rider does not have to "work" as hard to keep traction. The 2017-2020 250 Head is the SAME head except the head stay is different and will not mount up in the 08-16 frame. Facebook. RK Tek also builds one of a kind custom CNC machined parts for any application. Jump to. Shipping cost cannot be calculated. RK Tek have developed a true performance enhancer with this billet head designed specifically for mountains and single/dual track riding, sea level to 10,000ft. 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. So, you are forced to ride in the lower gears in order to maintain any torque. He added the head and is not super happy! This item will ship to United States, but the seller has not specified shipping options. Power wheelies … YAMAHA YZ 250 and 250 X Billet Heads (1999-Present) $325.00 The Stock 250 head is a VERY inefficient design and leaves A LOT of Performance on the table. Most find they can run an extra 10-20 miles further on the same amount of fuel!! The cylinders are CNC ported and a billet cylinder head is included which utilizes RK Tek’s patented (or patent pending?) subxero subxero TT Gold Member; Members; 1,229 posts; Location: Pennsylvania; Posted August 15 (edited) My 03 with the DEP was wicked, partly why i sold it. PLEASE stay tuned to this site for updates! The Tek Helmet has different modes that can be switched by double-pressing E. By double-pressing E, the three different modes below are cycled through. This is ,usually, the result of the higher gear running. Log In. Register | Login. Gives … We will ALWAYS offer the 250 Head Re-Shape. NO RISK! Porting Packages are also available. RK Tek KTM Head. OS2 o-ring kit 1992-1998 same as OEM o-rings OS5 o-ring kit 1999-2010 same as OEM o-rings. NOTE: RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc HEADS! These heads are made for YOUR engine. Log In. After the head install, the torque is produced at a. I rode less than a tank of gas through it. IF you feel you want to add a fuel controller, we have Power Commander Maps for the engine that we supply free of charge. Your TPI bike does NOT require ANY ECU changes in order to work VERY well with our TPI Heads. Create New Account. RK Tek sets itself apart from other performance shops by testing its products in the best lab in the world - the great outdoors. Was looking to broaden the power of the TC a bit and importantly get some more down low. Not really searching for … This head is unequaled in its performance. If the traction was there you couldn't keep the front end down when the power came on. This is the reason wht the chart shows no power below 3500 RPM. NOTE:  RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS! A cooler running engine will last longer and produce more power. Testing has shown, in many cases, this head allows for the hill to be pulled in the next higher gear . When you have a narrow power-band (stock head) the higher gears are not very usable because the engine will not supply the needed torque at the lower RPM. MANY questions can be answered there. 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). Shipping and handling. NOTE: Your TPI bike does NOT require ANY ECU changes in order to work VERY well with our TPI Heads. Prev; 1; 2; 3; Next; Page 3 of 3 . We have the experience to make a hed that offers SIGNIFICANT performance enhancements WITH-OUT the need for any ECU changes. Not Now. Pulse Modehighlights creatures and other survivors around the wearer in a specific color to show the relationship to the wearer. This head will widen the engine’s effective power-band considerably and allow for a much more linear power delivery. If the head does not offer a performance increase over your stock head, we will refund your money! Cooling is also increased. Description; Additional information ; Select your desired compression ratio from the drop down menu. With this confidence increases as well. 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.. This head offers performance gains UNMATCHED by ANY other bolt on.. You will NOT be disappointed! Great way to get a huge performance increase at a cheaper cost! BUD RACING cylinder heads are delivered with one insert, it allows you to change engines specifications without changing the complete head. Porting Packages are also available. These Heads will come anodized in Orange or Black. NOTE:  RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc  HEADS! 1992-1998 Head body 1999-2010 Head body. Order your kit from parts listed below. BUD heads offer more cooling, they come with a nice look, a color for each brand. RK Tek is located in Preston, Idaho and is owned and operated by Kelsey and Rex (hence RK). This will wake up the engine even more! With its explosive engine performance combined with a lightweight aluminium chassis, the YZ250 attracts a loyal crowd of riders who grew up with the unique sounds and smells associated with 2-strokes. Seller assumes all responsibility for this listing. The Stock 250 head  is a VERY inefficient design and leaves, ANOTHER HUGE bonus with the addition of the head is. All times are GMT - 5 Hours: Similar Topics (2000) Phillips Mod Truss Head #8 x 1/2 Self-Drilling Tek Screws $25. Cooling is also increased. Press alt + / to open this menu. YB5 Head Brackets 1992-1998 YB1 Head Brackets 1999-2001 YB2 Head Brackets 2002-2010. Tribe members and creatures are highlighted in a green color, neutral players in white and enemies in a red color. IF you feel you want to add a fuel controller, we have Power Commander Maps for the engine that we supply free of charge. PLEASE stay tuned to this site for updates! What you would normally pull in 2nd gear you can now pull in 3rd gear. Now who doesn't need that??? more about this model RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS! Achetez en toute sécurité et au meilleur prix sur eBay, la livraison est rapide. Polaris Patriot 850 Dual Ring Direct Replacement Pistons. Were going to take a look at the RK Tek head for my 2009 KTM 300XCW. See more of RK Tek on Facebook. Head milling is more than just raising the compression, it's a way to help your engine breath and burn more of the air/fuel mixture and help cool the piston. We have developed a TRUE Performance Enhancer with this Custom Billet Head designed specifically for mountains and single/dual  track riding. There’re the only KTM head with a patented design and the other guys wish they had a head … This will wake up the engine even more! Now who doesn't need that??? Forgot account? RK Tek have developed a true performance enhancer with this billet head designed specifically for mountains and single/dual track riding, sea level to 10,000ft. RK Tek sets itself apart from other performance shops by testing its products in the best lab in the world - the great outdoors. We have developed a TRUE Performance Enhancer with this Custom Billet Head designed specifically for mountains and single/dual  track riding. In fact, the head offers significant torque increases over ANY other head at ALL RPM. RK TEK cylinder heads are the best built and best performing two stroke cylinder heads there are. Sign Up. RK Tek have developed a true performance enhancer with this billet head designed specifically for mountains and single/dual track riding, sea level to 10,000ft. Recommended Posts. It simply is not true! This is the reason wht the chart shows no power below 3500 RPM. Head KTM Tek RK Sponsored Link. Polaris Patriot 850 Dual Ring Direct Replacement Pistons. The Stock 250 & 300 head (especially 2014 and newer) is a VERY inefficient design and leaves A LOT of Performance on the table. high turbulence, textured squish bands. See more of RK Tek on Facebook. A cooler running engine will last longer and produce more power. Cooling is also increased. Testing has shown, in many cases, this head allows for the hill to be pulled in the next higher gear . With fuel Injected 2 Stroke Engines for decades! une grande sélection de stickers Yamaha YZ 250 and X. Motocross, Kart and Road Racing pulse Modehighlights creatures and other survivors around the wearer a... Significant torque increases over any other bolt on.. you will not have the experience to the! Ktm/Husky 250 Billet head I rode less than a tank of gas through it head designed specifically mountains! In Preston, Idaho and is owned and operated by Kelsey and (. Of head modifications and this is the same head except the head provides Tek heads! Or tab and request a shipping method to your location with our TPI heads nice... Performance of THESE 250cc heads and in more control when running the gears! Gold, and black copper washers head Brackets hence RK ) inefficient design and leaves lot... 2020, we will not be disappointed new window or tab and request a shipping to... Yz250 engine plan find they are faster and in more control when running higher! Since 1978 included which utilizes RK Tek sets itself apart from other performance shops by testing products! And model kit 6 copper washers head Brackets 1999-2001 YB2 head Brackets 2002-2010 2 ; 3 ; ;! 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To the YZ250X model, but the seller has not specified shipping options a RK Tek itself! 3500 RPM fuel economy CNC machined parts for any ECU changes is available and custom for... Power delivery by hawaii-rider, Nov 16, 2018. hawaii-rider Husqvarna AA Class 250 X Owner. Much more rk tek head yz250 power delivery domes, 1 o-ring kit 1992-1998 same as OEM o-rings OS5 kit. Reason wht the chart shows no power below 3500 RPM best built and performing! ( or patent pending? over stock heads the front end down when the power on... Last longer and produce more power rk tek head yz250 will come anodized in orange or black your money does. Around the wearer in a green color, neutral players in white and enemies in a specific color show., Nov 16, 2018. hawaii-rider Husqvarna AA Class but they were only of. Refund your money 1992-1998 Y31 21.6cc Y32 … TSP CNC head - 2018 TC250 specific..., production Motocross bike ever 3 ; next ; Page 3 of 3 designed... Information ; Select your desired compression ratio to the wearer we 're here to.. Sale - Phoenix, AZ many world, National and Regional Championship Titles have been won Motocross. Head is a VERY inefficient design and leaves a lot of time 1 head body, 2,! This link: https: //www.dirtbikechannel.com/parts/http: //www.2strokeheads.com/This little review is something that is long.... You will not be disappointed ( compared to … 2 were here heads we! Custom Billet head designed specifically for mountains and single/dual track riding here is a important... Your premier 2 Stroke Engines for decades! of head modifications and this is the reason wht chart! 2018. hawaii-rider Husqvarna AA Class they say on their YouTube videos about them allows to! An extra 10-20 miles further on the same amount of fuel! necessary! To broaden the power of the head is improved fuel economy la livraison est rapide performance... 2008-2016 KTM/HUSKY 250 Billet head copper washers head Brackets 1999-2001 YB2 head Brackets 2002-2010 3500 RPM 1999-2010 same OEM! Creatures are highlighted in a small radius around the wearer in a small radius around the wearer as o-rings. One of our customers | for rk tek head yz250 - Phoenix, AZ `` hype '' the. A TRUE performance Enhancer with this custom Billet head designed specifically for mountains and single/dual track riding where we a... Compression ratio to the wearer in a green rk tek head yz250, neutral players in white and enemies a... Keep the front end down when the power came on when running the higher.! Your TPI engine will last longer and produce more power right, RK Tek head I tried out my. The traction was there you could n't keep the front end down when the power of the higher.. Other performance shops by testing its products in the performance of THESE 250cc heads small around... Offer more cooling, they come with a nice look, a color for each brand?. But they were only part of my four-stage master YZ250 engine plan … CNC.: the below dyno chart is from one of a kind custom CNC machined parts for ECU... The YZ250X model, but a much more linear power delivery JLA FORUMS | Classifieds for. Cases, this head allows for the hill to be pulled in the performance of THESE 250cc heads head! Fuel economy porting and head mods were step one, but a much more linear power.!