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Quantity
1
Description
CRF300F/CRF250F EJK Fuel Injection Tuner
Proudly Made in the USA, the EJK tuner is a plug-n-play fuel injection tuner. Allows for full range tuning of your fuel injection, for increased power, easier starting, cooler running engine, and optimization of fuel when using engine power up kits like aftermarket exhausts, intake modifications (ai...
Reviews
5.0
10 ratings
5
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1
With aftermarket exhaust and intake this jet kit is nice to help keep the fuel where it should be
C
Cameron · July 13, 2026
As described
Anthony · August 11, 2024
Super easy install have not played with settings yet but made a huge difference