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    KIBBLEWHITE valve spring kit for YAMAHA WR 250 F, YZ 250 F, YZ 250 FX from 2019 to 2027
    KIBBLEWHITE valve spring kit for YAMAHA WR 250 F, YZ 250 F, YZ 250 FX from 2019 to 2027

    KIBBLEWHITE valve spring kit for YAMAHA WR 250 F, YZ 250 F, YZ 250 FX from 2019 to 2027

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    €296.90
    Tax Included
    Last items in stock

    The springs that close the valves on every engine revolution.

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      KIBBLEWHITE offers this valve spring kit for YAMAHA WR 250 F, YZ 250 F, YZ 250 FX from 2019 to 2027. The camshaft opens the valves and the springs close them. At high revs the spring must bring the valve back very quickly: if it is tired, the valve can no longer keep up and “floats”.

      Why replace the valve springs?

      The benefits:

      • Safe running at high revs again.
      • Essential with a hotter camshaft or steel valves, which are heavier than titanium.
      • Quality steel springs keep their strength longer.

      Why choose KIBBLEWHITE?

      Kibblewhite chrome-silicon steel springs prevent valve float at high revs.

      When should you replace the valve springs on your YAMAHA YZ 250 F?

      Hard hot starting, valve clearance that keeps closing up or a noisy timing chain: the valve train is wearing.

      Specifications and fitting tips

      • Contents: 2 x Intake CrSi Valve Springs, 2 x Exhaust CrSi Valve Springs, 2 x Intake Titanium Retainers, 2 x Exhaust Titanium Retainers, 2 x Intake H.T. Steel Basewashers, 2 x Exhaust H.T. Steel Basewashers
      • Application: Exhaust, Intake
      • Retainer material: Titanium
      • Material: Chrome silicon
      • Spring pressure: Intake 187 lb, exhaust 149 lb
      • Seat pressure: Intake 69 lb, exhaust 52 lb
      • Complete spring kit for one engine

      Cross-Mania tip: Check the guides and seats before reassembly and lap the valves in. Titanium valves must not be fitted on worn seats.

      Compatibility

      Check the exact model and year of your bike in the list below before ordering.

      Fits:
      YAMAHA WR 250 F 2026
      YAMAHA WR 250 F 2025
      YAMAHA WR 250 F 2024
      YAMAHA WR 250 F 2023
      YAMAHA WR 250 F 2022
      YAMAHA WR 250 F 2021
      YAMAHA WR 250 F 2020
      YAMAHA YZ 250 F 2026
      YAMAHA YZ 250 F 2025
      YAMAHA YZ 250 F 2024
      YAMAHA YZ 250 F 2023
      YAMAHA YZ 250 F 2022
      YAMAHA YZ 250 F 2021
      YAMAHA YZ 250 F 2020
      YAMAHA YZ 250 F 2019
      YAMAHA YZ 250 FX 2027
      YAMAHA YZ 250 FX 2026
      YAMAHA YZ 250 FX 2025
      YAMAHA YZ 250 FX 2024
      YAMAHA YZ 250 FX 2023
      YAMAHA YZ 250 FX 2022
      YAMAHA YZ 250 FX 2021
      YAMAHA YZ 250 FX 2020

      KIBBLEWHITE
      80-82300
      1 Item

      Specific References

      Click on your bike to see all compatible parts.

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      KIBBLEWHITE valve spring kit for YAMAHA WR 250 F, YZ 250 F, YZ 250 FX from 2019 to 2027
      KIBBLEWHITE valve spring kit for YAMAHA WR 250 F, YZ 250 F, YZ 250 FX from 2019 to 2027
      KIBBLEWHITE valve spring kit for YAMAHA WR 250 F, YZ 250 F, YZ 250 FX from 2019 to 2027
      KIBBLEWHITE valve spring kit for YAMAHA WR 250 F, YZ 250 F, YZ 250 FX from 2019 to 2027
      €296.90
      Tax Included