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Carburetor Jets from Rocky Mountain ATV/MC

High quality aftermarket Keihin and Mikuni Carburetor Jets. You can easily tune your powersport machine for altitude and riding style by choosing the best size main jet and pilot jet for your machine. Get some low cost performance gains here!

Latest Dirt Bike Carburetor Jets Reviews – You could win up to $500 for reviewing products!

  • JD Jetting Jet Kit

    JD Jetting Jet Kit

    JEREMY in MA

    Great product, would recomend it to anyone!

    Loved JD Jets, I use them in all my bikes and ATVs. The kit comes with all the just you could possibly need when doing a clean/rebuild. The WR250 is known for having a lousy bottom end, this jet kit helped opened it up, along with all the "free mods". To get rid of the low end bog, use this kit and make sure you AP timing is set correctly.

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  • FMF Power-Up Jet Kit

    FMF Power-Up Jet Kit

    JEREMY in MA

    Its an ok product, I wont buy for myself again

    For the price this is an ok product. I do not think that it suites my need. I did not care for the constructions of the jets. Included with this kit is a "Jet adapter" that converts the carb to accept the FMF jet system. I think that this is a poor design and could only cause more jetting issues later on. The kit did not include a leak jet. I went with JD Jet Kit.

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  • Pro X 99101-357 Series Keihin Hex Main Jet

    Pro X 99101-357 Series Keihin Hex Main Jet

    Dylan in FL

    Big or Small i like them all!

    performed exactly like they should.a touch more fuel for the mid range and top end did the trick!

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  • Pro X N424-21 Series Keihin Pilot Jet

    Pro X N424-21 Series Keihin Pilot Jet

    Dylan in FL

    fixed the classic keihin 40mm carb bog

    installed one size up pilot jet. fixed my major problem doesn't feel flat anymore.

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  • Nihilo Concepts Jet Kit

    Nihilo Concepts Jet Kit

    Dennis in CA

    Works

    Get way to start, just need a little adjustment and it's perfect

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