Dirt Bike Engine Seals - Orings and Kits

A worn countershaft sprocket seal allows oil leakage and accelerates wear on critical drivetrain components—a small oversight that compounds into expensive damage. This MOOSE RACING kit delivers OEM-quality sealing with upgraded materials, ensuring your...

Countershaft seals are critical to engine longevity—they prevent oil contamination and gear wear that can compromise your transmission. The MOOSE RACING 25-4025 kit replaces worn or damaged seals with OEM-quality components, restoring proper lubrication...

A worn countershaft sprocket seal compromises engine performance and invites contamination into critical drivetrain components. This MOOSE RACING kit delivers OEM-quality sealing with precision-engineered components that restore reliability and extend...

FCR carburetors demand precision sealing to maintain fuel atomization and consistent jetting across your powerband. Over time, factory gaskets and O-rings degrade, leading to fuel seepage, tuning inconsistencies, and potential carburetor flooding. This...

Carburetor mid-body gasket failure leads to fuel leaks, inconsistent jetting, and unpredictable performance on the track or trail. The MOOSE RACING Carb Mid Body Gasket Kit 26-1511 provides all necessary sealing components to restore your FCR carburetor...

A worn countershaft sprocket seal compromises engine performance and accelerates drivetrain wear on your Kawasaki. This MOOSE RACING kit delivers OEM-quality sealing with upgraded components engineered to handle aggressive riding conditions and extended...

Carburetor sealing degradation compromises fuel atomization and creates lean-running conditions that tank performance and reliability. This complete gasket and O-ring kit restores FCR carb integrity at the mid-body section without sourcing multiple OEM...

Front sprocket replacements demand precision assembly, and overlooking the countershaft fasteners can compromise your drivetrain's integrity and longevity. The MOOSE RACING Washer/Snap Ring Counter Shaft keeps critical components securely seated,...

A worn countershaft sprocket seal is a common failure point that leads to oil leakage, contamination, and premature bearing wear. The MOOSE RACING Countershaft Sprocket Seal Kit delivers a complete replacement solution with hardened steel components and...

The countershaft sprocket seal is a critical wear component that directly impacts drivetrain reliability and longevity. Factory seals degrade under high heat and aggressive riding, leading to oil leakage and premature bearing failure. This MOOSE RACING...

Your countershaft sprocket seal assembly endures constant rotational stress, heat, and contamination—premature wear here cascades into costly drivetrain damage. The MOOSE RACING Countershaft Sprocket Seal Kit delivers OEM-quality components engineered to...

A worn countershaft seal kit compromises engine integrity and invites contamination into your transmission. The MOOSE RACING 25-4006 delivers OEM-quality sealing with upgraded components that extend drivetrain lifespan and maintain consistent performance...

A worn countershaft sprocket seal compromises both performance and longevity by allowing contamination into critical drivetrain components. This MOOSE RACING kit delivers OEM-quality replacement seals and bushings, restoring a tight fit and protecting...

Your countershaft seal assembly is your first line of defense against contamination and fluid loss in critical drivetrain components. A compromised seal leads to premature wear, increased friction, and potential catastrophic failure—especially under...

Countershaft seals are critical wear items that directly impact engine reliability and longevity. A worn or failed seal allows contamination and fluid loss, leading to increased friction and premature component failure. This MOOSE RACING kit delivers...

A worn countershaft sprocket seal compromises engine reliability and invites contamination into your transmission—exactly what you can't afford mid-race or mid-ride. The MOOSE RACING Countershaft Sprocket Seal Kit restores the integrity of your...

Countershaft seal failure is one of the fastest ways to lose engine oil pressure and compromise your transmission's longevity. The MOOSE RACING Countershaft Sprocket Seal Kit delivers OEM-grade sealing with hardened steel components that outlast stock...

Engine seal degradation is one of the most common causes of oil leaks and compression loss in high-mileage builds. MOOSE RACING Motor Seals give you a complete, cost-effective solution for full engine and transmission rebuilds without compromising on...

Engine oil seals are critical wear items that prevent costly oil leakage and maintain proper engine pressure—ignoring degraded seals can lead to oil starvation and catastrophic engine damage. This MOOSE RACING kit delivers a complete seal package sourced...

Engine oil seals are critical barriers that prevent oil leakage and maintain proper lubrication pressure throughout your engine's operation. Worn or degraded seals compromise performance, invite contamination, and accelerate internal wear—especially...