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Fuel and Air Intake Systems

Su Ling in AZ
Worked great as a replacement for my stock reeds. Just felt they needed a refresh after this bike has been with us for a year now. Crisp action. Nice power throughout the powerband.
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Shade in GA
The JD Jetting kit has really cleaned up the jetting on my YZ250X. It came jetted way too rich from the factory. I gave it 4 stars for value because I feel its a little pricey, but I understand a big part of the price comes from the R&D involved in determining the optimal jets and needle position for different altitudes and temperatures. This R&D was the main reason I chose the JD kit. I could've gotten the same or similar results a lot cheaper by researching jetting recommendations on the internet, but I didn't want to take the time trial a bunch of different jets and needle positions. This kit made it pretty quick and relatively simple with easy to follow instructions.
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Gage in OH
Very good quality super simple to install comes with the seals and springs already to go just drop in and tune
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Robert in OH
The jets arrived within 3 days - which was fantastic- and they looked exactly like the OEM jets. Fit was perfect and the bike runs much better in hot weather.
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Logan in OH
Works great. Used for all the upper breathers on my carb on trx450r
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Ryan in KS
Genuine jets so cant go wrong. Nothing fits and functions quite like oe
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