EJK EFI Controller
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Motorcyles,ATVs,UTVs,Sportbikes,Scooters,Snowmobiles

Electronic Jet Kit (EJK) for
EFI Power Sport Vehicles


Electronic Jet Kit
NO COMPUTER NEEDED
NO DYNO REQUIRED

Plug N' Play Installation
Minutes to Install, Base Settings are Preset

Uses Unique Load Based Technology

Offers Full Range Tunability

Does Not Interfere with Stock ECU Operation

Simple Push Button Adjustment Interface

Water-Resistant
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Information
Looking to find out how the EJK controller functions or stacks up to the competition? Start here to find demonstrations of how the EFI controller works, see how easy it is to use, and compare to other products on the market. A number of short video clips are provided to aide you in learning this technology.
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Products
You have crossed the barrier where a stock machine wasn't good enough and decided to make some modifications. Your very first purchase should be an EFI controller. Without the ability to tune your engine, you may not be able to reach the maximum performance of your other upgrades. Find all the offered EJK controllers here.
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Tech Support
Already purchased the EJK controller, but have a few questions? Check this section to find common troubleshooting tips, general tuning advice, and installation procedures. If you can not find the support you are looking for then give us a call or shoot us an email and we will be glad to assist you.
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Featured Product
2010 Yamaha YZ450F
The latest industry to enter the world of fuel injection is motocross. Suzuki, Honda, Kawasaki, and Yamaha have all released a fuel injected dirt bike and an EJK controller is available for all of them. Unbelievable improved throttle response and easily adjusts to your riding style!!
• Suzuki RMZ 450 08-11 • Honda CRF 450F 09-11
• Suzuki RMZ 250 10-11 • Honda CRF 250F 10-11
• Kawasaki KX 450F 09-11 • Yamaha YZ 450F 10-11
• Kawasaki KX 250F 2011  
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Controller cost Hey we realize everyone has a budget and we'll help you out. We have a better product and we will make sure we have the best price. Go ahead and see how low you can go.
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United States Representatives
Available outside of the USA also!!
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TUNING INTERACTIVE DEMO
The following interactive demo should help you understand what each mode adjustment is affecting within a vehicle drive cycle. Please remember the following points for this demo:
  1. The demo is illustrating the most common feature setup for applications. Be sure to understand which features are assigned for your particular EJK controller. The features will be listed in your instructions. They can also be found by navigating to your vehicle in the product section.

  2. The fuel ranges are blown up for illustration purposes. In real applications, slight fuel changes from the stock curve can make a big difference.

  3. Do not assume from the power curve graph that the controller has simply low, mid, and high range fuel adjustments. For illustration purposes the graph shows the natural progression through the zones for one given gear.

  4. A GEN 3 application is displayed where fuel can only be added to the stock curve. GEN 3.5 applications can subtract fuel.
The pictured EJK controller is functional!!
Press the Mode, Plus (+), and Minus (-) buttons to make adjustments.
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Providing Electronic Fuel Injection Controllers for Power Sport Enthusiasts.