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All Balls Brake Caliper Piston Kit (18-9008)

Part # 18-9008
Item #138816
Fits 12 motorcycles
  • Kawasaki
    • KX125 · 1997–2000 (front)
    • KX250 · 1997–2000 (front)
  • Yamaha
    • WR250F · 2015–2021 (front)
    • WR450F · 2016–2020 (front)
    • YZ125 · 2008–2021 (front)
    • YZ125X · 2020–2022 (front)
    • YZ250 · 2008–2021 (front)
    • YZ250F · 2007–2020 (front)
    • YZ250FX · 2015–2021 (front)
    • YZ250X · 2016–2022 (front)
    • YZ450F · 2008–2019 (front)
    • YZ450FX · 2016–2020 (front)

⚠ Brake parts are caliper-specific. The same model can use different calipers by trim or year (base vs SP, ABS, Brembo vs stock), and catalog data isn't always exact. Confirm this fits your bike's actual caliper before ordering.

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WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov
All Balls Racing Brake Caliper Piston Kit — Kawasaki KX125 (1997-2000) + 11 more
Product Details

Caliper pistons stuck, sticky lever feel, or a creeping low fluid level with no visible leak — the rubber seals inside the caliper or master cylinder are toast. All Balls rebuild kits include every rubber part you need to make ONE caliper or master cylinder new again: piston seals, dust boots, bleeder caps, pad pins, copper crush washers. OEM-spec EPDM rubber, bike-specific fitment.

Kit fits the bikes listed below. Confirm whether you need front or rear (some bikes share a kit, most don't).

Kit contents:

  • 2x Caliper Piston

Fitment

Kawasaki: KX125 1997–2000 (front) · KX250 1997–2000 (front)

Yamaha: WR250F 2015–2021 (front) · WR450F 2016–2020 (front) · YZ125 2008–2021 (front) · YZ125X 2020–2022 (front) · YZ250 2008–2021 (front) · YZ250F 2007–2020 (front) · YZ250FX 2015–2021 (front) · YZ250X 2016–2022 (front) · YZ450F 2008–2019 (front) · YZ450FX 2016–2020 (front)

Brake parts are caliper-specific — the same model can use different calipers by trim or year. Confirm this fits your bike’s actual caliper before ordering.

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