Reply. The rotor won't fit the yz450 crank, so you'll need at least the left crank axle from the YFZ or WR, plus the ignition side case cover, among many other things. This unit plugs into your existing system with no cutting or splicing needed. The EJK is water resistant, and comes with a 2 year warranty. This self-mapping technology uses an exhaust sensor to create a closed-loop system. About. 7. Thanks for your support! Jump to Latest Follow KMS used to make a fuel injection kit, it was around 1500 bucks. We specialize in Dynotuning, EFI, motor builds, performance parts and service. No dyno time required; no computer needed. I do not know if this is still availible. The EFI system needs the stator & rotor from the quad. V application is for the Yamaha YFZ450. Our expertise, dedication to customer service, and upfront attitude keep us at the top of our game, and have made us a leader in the high-performance ATV and UTV industry. 5.8K members. 2014 Sponsor: Hygear suspension Moto-xperts Houser Racing Scott USA Fly Racing. You dont have to keep the exhaust sensor in place at all times, just long enough to create your own map and save it. Buy and Sell. Reply. Discussion. 2004 YFZ 450 AC Nerfs IMS Heel Gaurds Quadtech Carbon Fiber Hood Houser +2 Stem With 1 1/8th Clamp ASV Brake Lever Protaper Contour Bars Elka Triple Rate Shocks DASA Clasic Custom Pipe Fuel Customs Intake J&T Products Oil upgrade HotRods +3 crank 13:5:1 Wesico Piston PWR Radiator YZ10S Battery Your motorcycle is either being fed fuel through a carburetor with jets, or via a throttle body with an injector. Jump to Latest Follow 1 - 14 of 14 Posts Electronic fuel injection (EFI) ECU controlled ignition system (via CDI) '0 5 YFZ 450 - gone '00 400 ex - parted out '05 TRX 450r - sold '08 LTR 450 - '06 LTR 450 - in pieces, my summer project Lectron is celebrating 45 years of helping riders get the most from their vehicles with our high performance carburetors and EFI. 660 EFI conversion, possible? At KMS, performance is our priority we work to perform at our best. Save Share. Yamaha YFZ 450R EFI Fuel Controller (0) Reviews: Write first review. This EJK Gen 3.5 fits 2009-2017 Yamaha YFZ 450, 2009-2017 Honda CRF 450F, 2010-2017 Honda CRF 250R, 2011-2017 Kawasaki KX 250F, 2009-2017 Kawasaki KX 450F, and 2010-2016 Yamaha YZ450F. Another avenue in the fuel-injection world is offered by a company called Bazzaz. Ecotrons EFI conversion kit. SKU: 2730. 2008 yfz 450- sold 2007 yz450f- sold. ou can either have it with the standard Dobeck default fuel map or with our proprietary map we have set up on our dyno for maximum horsepower. We offer this box two different ways. Gt thunder already does the carb conversion for the efi yfzs. Save Share. Alba was working on one but have since canceled the project. More. About. YFZ 450 Front Shocks w/ Alba +2 A-Arms TCS Rear Spring for my fat a s s ProTaper ATV High, AC Rear Grab. Jul 14, 2007. i just bought a new 2007 yfz 450 and i was wondering if i should of waited for a fuel injected yfzis a carb actually better? EFI made easy.