Dirt Bike Engine Seals - Orings and Kits

Front sprocket replacement jobs demand precision fastening to ensure your countershaft stays secure under load and acceleration stress. Keeping MOOSE RACING washer and snap ring sets in your maintenance kit eliminates downtime sourcing individual...

Front sprocket replacement requires precision hardware that won't let you down mid-ride. MOOSE RACING's washer and snap ring set ensures your countershaft stays secure and properly seated, eliminating the risk of component slippage or damage during...

Countershaft fastening components are critical to maintaining proper sprocket alignment and preventing costly drivetrain failures. The MOOSE RACING Washer/Snap Ring Counter Shaft assembly ensures secure retention of your front sprocket during high-RPM...

Front sprocket replacements demand precision hardware—and overlooking the countershaft lock-washers and snap rings is a costly mistake that can lead to sprocket creep, misalignment, and accelerated wear. The MOOSE RACING Washer/Snap Ring Counter Shaft...

Front sprocket replacements demand precision assembly, and overlooking the countershaft hardware is a costly mistake. The MOOSE RACING Washer/Snap Ring Counter Shaft kit ensures proper sprocket retention and shaft security—critical for maintaining...

A worn countershaft sprocket seal is a direct path to transmission fluid contamination and premature drivetrain wear. This MOOSE RACING kit delivers OEM-quality sealing with hardened steel components engineered to withstand the demands of high-RPM riding...

A worn countershaft sprocket seal allows oil seepage and contaminants into your drivetrain, compromising performance and longevity. This MOOSE RACING kit delivers OEM-quality sealing with hardened steel components engineered to withstand the demands of...

A worn countershaft sprocket seal compromises transmission integrity and allows contamination into critical drivetrain components. This MOOSE RACING kit delivers OEM-quality sealing with upgraded materials, ensuring reliable power delivery and extended...

Engine gaskets and seals degrade over time, compromising compression and allowing oil leakage that can damage your engine's longevity. Rather than sourcing multiple OEM seals at premium pricing, the MOOSE RACING Motor Seals kit consolidates all critical...

Engine seal degradation is one of the quickest ways to compromise reliability and performance on your KX250F. MOOSE RACING Motor Seals deliver OEM-equivalent fitment and durability at a fraction of genuine Kawasaki pricing, allowing you to complete a...

Engine seal failures compromise compression, invite oil leakage, and invite catastrophic internal damage—especially critical on a race-prepped CR80R or CR85R where reliability is non-negotiable. MOOSE Racing Motor Seals deliver OEM-equivalent fitment and...

Engine gaskets and seals wear out—they're not a question of if, but when. MOOSE RACING Motor Seals deliver OEM-equivalent performance at a fraction of OEM pricing, letting you rebuild with confidence without breaking the bank. This complete set covers...

Engine seals are critical wear items that deteriorate over time, compromising compression, oil containment, and overall reliability. MOOSE RACING Motor Seals deliver OEM-equivalent performance at a fraction of OEM pricing, allowing you to rebuild with...

Engine seal failure is one of the most common causes of oil leaks and performance degradation in mini/senior racing applications. The MOOSE RACING Motor Seals set delivers OEM-equivalent reliability at a fraction of OEM pricing, allowing you to rebuild...

When rebuilding your KTM or Husqvarna engine and transmission, OEM seals carry a premium price tag that doesn't reflect the actual performance gain. The MOOSE RACING Motor Seals deliver genuine OEM-quality reliability at a fraction of the cost, using...

If your FCR carburetor is leaking fuel or running inconsistently, worn gaskets and O-rings at the mid-body section are likely culprits. This complete gasket kit eliminates the need to source components individually—all sealing elements come together in...

Engine seals wear with every heat cycle, and OEM replacements can drain your budget fast. MOOSE Racing Motor Seals deliver genuine OEM-quality fitment and reliability at a fraction of dealership pricing, so you can rebuild your CR125 with confidence...

Engine seal failure can compromise compression, cause oil leakage, and force costly rebuilds. MOOSE RACING Motor Seals deliver OEM-equivalent performance at a fraction of dealership pricing, giving you the confidence to rebuild your RM125 with...

A failing water pump seal compromises cooling system integrity and risks catastrophic engine damage on the track or trail. The PRO CIRCUIT PC4008-0401 replacement O-ring restores OEM-spec sealing performance, eliminating leaks and maintaining optimal...

The countershaft sprocket seal is a critical wear component that directly impacts drivetrain longevity and performance. Premature seal failure allows dirt and moisture ingress, leading to accelerated bearing wear and potential drivetrain damage. This...