$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

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Pro-X Racing Parts Countershaft Seal Kits

Not Yet Reviewed

While changing the front sprocket on your off-road motorcycle, it's always recommended to inspect the countershaft oil seal that's right behind the sprocket. Positi
While changing the front sprocket on your off-road motorcycle, it's always recommended to inspect the countershaft oil seal that's right behind the sprocket. Positioned on the high loaded countershaft and always in contact with dirt and water, the oil seal can easily start leaking. Pro-X Racing has developed a wide range of countershaft seal kits—an easy and complete replacement, offering all the needed components. These upgrade kits also result in improved durability against the OEM parts. Order the seal kits designed for your application.

Complete packages include:

* Upgraded oil seal
* Hardened steel bushi
While changing the front sprocket on your off-road motorcycle, it's always recommended to inspect the countershaft oil seal that's right behind the sprocket. Positioned on the high loaded countershaft and always in contact with dirt and water, the oil seal can easily start leaking. Pro-X Racing has developed a wide range of countershaft seal kits—an easy and complete replacement, offering all the needed components. These upgrade kits also result in improved durability against the OEM parts. Order the seal kits designed for your application.

Complete packages include:

* Upgraded oil seal
* Hardened steel bushing
* O-rings, snap ring, or lock washer (where applicable)

Results 1 - 7 of 7

ProX Countershaft Seal Kit KX250F '04-05 + RM-Z250 '04-06

Part Number: PXR-26-640013

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

ProX Countershaft Seal Kit RM125 '04-11 + RM-Z250 '07-12

Part Number: PXR-26-640026

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

ProX Countershaft Seal Kit RM250 '03-12 + RM-Z250 '13-22

Part Number: PXR-26-640028

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

ProX Countershaft Seal Kit KX60/65/80/85/100 '83-04

Part Number: PXR-26-640018

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

ProX Countershaft Seal Kit RM250 '89-02 + RMX250 '89-00

Part Number: PXR-26-640027

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

ProX Countershaft Seal Kit RM125 '92-03

Part Number: PXR-26-640029

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

ProX Countershaft Seal Kit RM-Z450 '05-22 + RMX450Z '10-19

Part Number: PXR-26-640030

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

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