Dirt Bike Engine Seals - Orings and Kits

Countershaft seals are critical wear items that directly impact engine longevity and reliability. A failing seal allows transmission fluid to leak and contamination to enter, compromising shift quality and accelerating component wear. The MOOSE RACING...

Countershaft seals are critical wear points that directly impact engine reliability and transmission performance. A failing seal allows contamination and fluid loss, compromising your engine's longevity and power delivery. This OEM-quality seal kit from...

Your countershaft seal is one of the hardest-working components in your drivetrain—and one of the easiest to overlook until it fails. The MOOSE RACING Countershaft Sprocket Seal Kit is engineered to prevent oil leakage, protect bearing surfaces, and...

Countershaft seals are critical wear components that prevent oil contamination and maintain proper lubrication in your transmission. A failed seal leads to fluid loss, metal-on-metal friction, and accelerated wear on expensive internal components. The...

Countershaft seals are critical wear items that prevent oil leakage and contamination in your transmission assembly. A failed seal compromises lubrication integrity and invites dirt into precision components, leading to premature wear or catastrophic...

Countershaft seal failure is a common point of drivetrain degradation that compromises engine oil integrity and bearing longevity. This MOOSE RACING seal kit delivers OEM-quality components engineered to restore a reliable seal and prevent costly...

A worn countershaft sprocket seal compromises engine performance and invites contamination into critical drivetrain components. This MOOSE RACING kit provides the hardened steel bushing, upgraded seal, and retention hardware needed to restore a tight,...

The countershaft sprocket seal is a critical wear component that directly impacts engine longevity and reliability. Factory seals degrade under heat and high RPM operation, leading to oil leakage and potential bearing damage. This MOOSE RACING kit...

Countershaft seal failure leads to oil contamination, bearing wear, and transmission damage—issues that compromise both reliability and performance on the track or trail. The MOOSE RACING Countershaft Sprocket Seal Kit delivers OEM-quality sealing with...

A worn countershaft sprocket seal compromises your engine's reliability and allows contamination into critical drivetrain components. This MOOSE RACING kit delivers OEM-quality sealing with upgraded materials engineered to withstand high-RPM demands and...

Engine and transmission seals wear out—and when they do, you're facing oil leaks, contamination, and potential catastrophic damage. MOOSE Racing Motor Seals deliver OEM-equivalent quality at a fraction of the cost, giving you the confidence to rebuild...

Engine seals are critical wear items that directly impact oil retention, combustion efficiency, and overall engine longevity. OEM replacement seals come with premium pricing, but MOOSE RACING delivers genuine OEM-equivalent performance at a fraction of...

Engine seal degradation compromises compression, increases blow-by, and accelerates internal wear—replacement seals are non-negotiable for engine longevity. MOOSE Racing Motor Seals deliver OEM-equivalent performance at a fraction of dealership pricing,...

Engine seals are critical to maintaining oil pressure, preventing leakage, and protecting internal components from contamination. OEM replacement seals often come with sticker shock, but Moose Racing delivers genuine-quality gasket and seal sets at a...

Engine and transmission seals are critical barriers against oil leakage and contamination—when they fail, you're looking at reduced performance, messy cleanup, and potential engine damage. The MOOSE RACING Motor Seals for KDX200 deliver OEM-equivalent...

Engine and transmission seals are critical wear items that directly impact reliability and oil containment. The MOOSE RACING Motor Seals kit eliminates the guesswork of sourcing individual seals by delivering a complete OEM-spec replacement set at a...

When you're rebuilding a KX125 engine, factory gasket and seal kits command premium prices—but Moose Racing delivers OEM-equivalent quality at a fraction of the cost. These seals are engineered from high-tech materials to handle the demands of both stock...

Front sprocket replacement work demands attention to detail—and that starts with having the right fastening components on hand. Countershaft lock-washers and snap rings are critical retention elements that prevent sprocket drift and ensure your...

A worn countershaft sprocket seal compromises engine reliability and invites oil contamination into your drivetrain. The MOOSE RACING Countershaft Sprocket Seal Kit delivers OEM-quality sealing with premium materials engineered to withstand high-RPM...

A worn countershaft sprocket seal is a direct path to oil leakage, premature bearing wear, and catastrophic engine failure. This OEM-quality seal kit from MOOSE Racing restores the integrity of your countershaft assembly with precision-engineered...