2 were here. NO RISK! ANOTHER HUGE bonus with the addition of the head is improved fuel economy! Cooling is also increased. YZ 250 X , Owner we not happy with the bike. This will wake up the engine even more! We have developed a TRUE Performance Enhancer with this Custom Billet Head designed specifically for mountains and single/dual  track riding. 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. IF you feel you want to add a fuel controller, we have Power Commander Maps for the engine that we supply free of charge. Was looking to broaden the power of the TC a bit and importantly get some more down low. Yamaha YZ250 parts. PLEASE stay tuned to this site for updates! If the traction was there you couldn't keep the front end down when the power came on. Head is available and custom made for ALL riding elevations and octane.. The plan was simple and relatively cheap (compared to … There are yet no reviews for this product. And it’s also caught the attention of a whole new generation of younger racers who just want to get out there and ride. or. If you have any questionscall us anytime we're here to help. This head is unequaled in its performance. Porting Packages are also available. Seller assumes all responsibility for this listing. If you have any questionscall us anytime we're here to help. 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. Log In. Forgot account? Location: Graham Washington, Fort Moose Husqvarna Motorcycle: 2018 TC250, 2015 TE300 Other Motorcycles: 04 CRF-270x, 95 CR500, 93 CR250 etc. Please check out this awesome video from DIRT BIKE CHANNEL regarding this head.. Information is taken at the time of order and the chamber is designed for YOUR engine and application. Shipping cost cannot be calculated. 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. RK Tek Inc is your premier 2 Stroke Performance Shop.. ALL we do is 2 Stroke Engines! Head KTM Tek RK Sponsored Link. RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc  HEADS! Prev; 1; 2; 3; Next; Page 3 of 3 . Page 1 of 1: JLA FORUMS | Classifieds | FOR SALE - Arizona | FOR SALE - Phoenix, AZ. The helmet can scan through walls in a small radius around the wearer. 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.. Porting Packages are also available. Now who doesn't need that??? RK Tek is located in Preston, Idaho and is owned and operated by Kelsey and Rex (hence RK). 1992-1998 Head body 1999-2010 Head body. This head will widen the engine’s effective power-band considerably and allow for a much more linear power delivery. RK TEK cylinder heads are the best built and best performing two stroke cylinder heads there are. What you would normally pull in 2nd gear you can now pull in 3rd gear. RK Tek Head KTM 250. A cooler running engine will last longer and produce more power. YZ250. Polaris Patriot 850 Dual Ring Direct Replacement Pistons. Performance Cylinder Head Yamaha YZ250. 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. These Heads will come anodized in Orange or Black. 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. Achetez en toute sécurité et au meilleur prix sur eBay, la livraison est rapide. Create New Account. The porting and head mods were step one, but they were only part of my four-stage master YZ250 engine plan. There’re the only KTM head with a patented design and the other guys wish they had a head … Polaris Patriot 850 Dual Ring Direct Replacement Pistons. Tribe members and creatures are highlighted in a green color, neutral players in white and enemies in a red color. Share Remove Report: Sale 1782970717. This will wake up the engine even more! Your TPI engine will run just fine with the RK Tek Head. Testing has shown, in many cases, this head allows for the hill to be pulled in the next higher gear . None of the other aftermarket or custom heads come close, no matter what they say on their YouTube videos about them. Not really searching for … Register | Login. 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. Cooling is also increased. This head is unequaled in its performance. What you would normally pull in 2nd gear you can now pull in 3rd gear. Gives … Description; Additional information ; Select your desired compression ratio from the drop down menu. 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. Email or Phone: Password: Forgot account? See more of RK Tek on Facebook. more about this model 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. Through walls in a new window or tab and request a shipping method to your location operated. Working with fuel Injected 2 Stroke Engines la livraison est rapide, usually, the torque is produced at...., the result of the other aftermarket or custom heads come close, no matter they! Os2 o-ring kit 1999-2010 same as OEM o-rings OS5 o-ring kit 1999-2010 same as OEM.! 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