fuel and air intake systems

Latest Fuel and Air Intake Systems Reviews – You could win up to $500 for reviewing products!

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  V-Force 3 Reed Valve

  Darryl in KY

  Powerrrr

  Power gainsssss, love it a lot. Recommend for sure

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  JD Jetting Jet Kit

  Tristan in NC

  Perfect ballpark jetting

  Another great product from a hometown company. I used this kit on my 22 KTM 125sx and it got me right in the ballpark. Easy to use instructions if you need them and a great range of main jets. However, if you are riding in an extremely hot and humid environment (in my case sea level North Carolina) I would suggest ordering a few more pilot jets behind the JD kit. The 32.5 was still a little rich for my climate.

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  Tusk Fuel Mixture Screw

  Paul in OH

  Make your carb great again.

  Carbureted four strokes need this upgrade. Adjust lean rich mixture by hand while it's running. Pipe red hot? Richen it up by turning this screw out a half turn at a time. Sooty exhaust? Lean it out by turning screw in a bit.

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  R & D Racing Flex Jet (Remote Fuel Screw)

  Keith in GA

  Difficult to count turns.

  Not a fan of this. Can never tell when it?s screwed in all the way or not. Have torn two of the tiny o-rings. I would have switched to the longer, solid screw if I had not sold the bike. Could have been user error, most people like these. Was on a CRF150rb

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  Dynojet Jet Kit

  Cory in TX

  XR650L DYNOJET KIT

  Installation was very straight forward, bike runs very well and has more power. Acceleration is much better now.

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  Pro X 99101-357 Series Keihin Hex Main Jet

  James in NY

  Perfect Match

  Only difference is the markings, otherwise looks like a genuine Keihin jet

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