Dirt Bike Engine Gaskets and Kits
Dirt Bike Engine Gaskets & Top-End Kits for Yamaha, Honda XR650L & CRF at JJ Motorsports
Refresh your dirt bike's top end with premium engine gaskets and complete kits from JJ Motorsports, precision-manufactured for leak-free sealing, optimal compression, and reliable performance in motocross, enduro, and trail riding. Our selection includes full gasket sets, top-end rebuild kits, O-rings, and head/base gaskets designed for perfect fitment, heat resistance, and easy installation without machining. Compatible with popular models like Yamaha YZ/WR, Honda XR650L, CRF, and more, these high-quality components from trusted brands ensure smoother operation, reduced oil consumption, and extended engine life under dusty, high-RPM conditions. From Moose Racing's comprehensive off-road sets to ProX and Athena's OEM-spec top-end kits, get everything needed for a professional rebuild—head gaskets, valve seals, base gaskets, and more—to restore power and prevent blow-by on every ride.
Shop brands like Moose Racing, ProX, and Athena for race-proven quality. Explore related categories such as dirt bike piston and ring kits for full rebuilds or dirt bike engine for cylinders and valves.
Top Dirt Bike Engine Gaskets & Kits
- Moose Offroad Complete Gasket Set Yamaha 8080037MSE – Full engine gasket kit for Yamaha models; includes all necessary seals, O-rings, and gaskets for complete top-to-bottom rebuild with OEM reliability.
- ProX Top End Gasket Set Honda XR650L 35.1623 – Precision top-end kit for Honda XR650L; features head, base, and valve stem seals for leak-free compression and easy installation.
- Athena Top End Gasket Kit Honda P400210600323 – High-performance top-end rebuild kit for Honda CRF models; includes multi-layer steel head gasket, O-rings, and seals for maximum sealing under extreme conditions.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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MOOSE RACING Complete Gasket Set - Suzuki 808592
MOOSE RACING
$93.43A complete gasket set is the foundation of engine reliability—sealing critical surfaces to prevent oil leaks, coolant loss, and combustion gas escape that compromise performance and longevity. Whether you're rebuilding after high-mileage wear or...09346950- SKU:
- 09346950
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- PRODUCT NAME:
- GASKET SET
$93.43 -
MOOSE RACING Complete Gasket Set - Suzuki 808983
MOOSE RACING
$146.11A complete gasket set is essential insurance against catastrophic engine failure—worn or compromised gaskets lead to oil leaks, coolant seepage, and combustion blow-by that compromise performance and reliability. MOOSE RACING's OEM-quality gasket set...09346951- SKU:
- 09346951
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
- UNITS:
- SET
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
$146.11 -
MOOSE RACING Top End Gasket Set - Suzuki DRZ 810588
MOOSE RACING
$43.80A top-end gasket set is essential for maintaining compression and preventing oil leakage in your DRZ engine. Whether you're rebuilding after high-mileage wear or performing routine maintenance, MOOSE RACING gaskets ensure reliable sealing under demanding...09346952- SKU:
- 09346952
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- UNITS:
- SET
$43.80 -
MOOSE RACING Top End Gasket Set - Suzuki DR 350 SE 810592
MOOSE RACING
$55.47A top-end gasket set is critical for maintaining compression integrity and preventing coolant or oil seepage in your DR 350 SE's cylinder head. Factory gaskets degrade over time, and reusing them during any top-end work risks costly leaks and performance...09346953- SKU:
- 09346953
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET SET
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
$55.47Qty in Cart: 0Quantity:Price:$55.47Subtotal: -
MOOSE RACING Gasket Set with Seals - Suzuki/Kawasaki 811531
MOOSE RACING
$88.62A complete gasket and seal set is essential for maintaining compression integrity and preventing fluid leaks across critical engine junction points. Whether you're rebuilding after significant mileage or performing preventative maintenance, MOOSE...09346954- SKU:
- 09346954
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET
$88.62 -
MOOSE RACING Gasket Set with Seals - Suzuki 811588
MOOSE RACING
$105.55Engine gasket degradation is one of the most common sources of oil leaks, coolant seepage, and performance loss in high-mileage engines. A complete gasket set with OEM-quality seals ensures a proper compression chamber, prevents fluid loss, and maintains...09346955- SKU:
- 09346955
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- UNITS:
- SET
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- OFF-ROAD
$105.55 -
MOOSE RACING Gasket Set with Seals - Suzuki 811592
MOOSE RACING
$113.95A complete gasket and seal set is essential for maintaining critical engine compression and preventing fluid leaks at every junction in your engine block. MOOSE RACING's precision-engineered gasket set ensures proper sealing across all contact points,...09346956- SKU:
- 09346956
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- UNITS:
- SET
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- OFF-ROAD
$113.95 -
MOOSE RACING Gasket Clutch Inner - Suzuki 816032
MOOSE RACING
$13.26A worn or damaged clutch gasket compromises your entire clutch assembly's integrity, leading to fluid leaks, slippage, and potential catastrophic failure on the track or trail. The MOOSE RACING Gasket Clutch Inner delivers OEM-equivalent sealing...09346957- SKU:
- 09346957
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- ENGINE TYPE:
- 4-STROKE
- UNITS:
- EACH
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH INNER
- RIDING STYLE:
- STREET
$13.26Qty in Cart: 0Quantity:Price:$13.26Subtotal: -
MOOSE RACING Gasket Clutch Inner - KTM 816055
MOOSE RACING
$11.00A worn or damaged clutch gasket compromises your KTM's seal integrity, leading to fluid leakage and inconsistent clutch engagement during high-load riding. The MOOSE RACING Gasket Clutch Inner delivers OEM-equivalent sealing performance with proven...09346958- SKU:
- 09346958
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH INNER
$11.00 -
MOOSE RACING Gasket Clutch Inner - Suzuki 816168
MOOSE RACING
$17.35A worn or compromised clutch inner gasket compromises the integrity of your clutch assembly, leading to fluid seepage, slipping engagement, and reduced power transfer to the wheels. The MOOSE RACING Gasket Clutch Inner is engineered to OEM...09346959- SKU:
- 09346959
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- GASKET
- TYPE:
- CLUTCH INNER
$17.35Qty in Cart: 0Quantity:Price:$17.35Subtotal: -
MOOSE RACING Motor Gasket Kit with Seal - RM250 811582
MOOSE RACING
$102.83A complete engine and transmission rebuild requires precision-fit gaskets and seals that won't compromise your work—OEM replacements from reputable manufacturers are essential, not optional. This MOOSE RACING kit eliminates the frustration of sourcing...M811582- SKU:
- M811582
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TYPE:
- ENGINE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
$102.83 -
MOOSE RACING Clutch Cover Gasket 817672
MOOSE RACING
$6.84A leaking clutch cover gasket compromises engine sealing and can lead to oil loss and contamination during critical racing or riding conditions. The MOOSE RACING Clutch Cover Gasket 817672 delivers OEM-equivalent sealing performance at a fraction of OEM...M817672- SKU:
- M817672
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- TYPE:
- CLUTCH COVER
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$6.84 -
MOOSE RACING Ignition Cover Gasket 817675
MOOSE RACING
$7.01A failing ignition cover gasket will compromise engine sealing and invite oil leakage—costly problems that compound quickly if left unchecked. The MOOSE RACING 817675 delivers OEM-equivalent durability at a fraction of dealership pricing, making it the...M817675- SKU:
- M817675
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- IGNITION COVER
- UNITS:
- EACH
$7.01 -
MOOSE RACING Clutch Cover Gasket 817685
MOOSE RACING
$6.11A leaking clutch cover gasket compromises engine sealing integrity and creates mess on your shop floor. The MOOSE RACING 817685 delivers OEM-equivalent performance at a fraction of OEM pricing, using high-tech materials engineered for precision fitment...M817685- SKU:
- M817685
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- TYPE:
- CLUTCH COVER
- UNITS:
- EACH
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
$6.11 -
MOOSE RACING Clutch Cover Gasket 817690
MOOSE RACING
$10.21A leaking clutch cover gasket compromises engine sealing and can lead to oil seepage that affects performance and reliability. This Moose Racing replacement gasket restores OEM-level integrity at a fraction of OEM pricing, using high-tech materials...M817690- SKU:
- M817690
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH COVER
- UNITS:
- EACH
$10.21 -
MOOSE RACING Complete Motor Gasket Kit - KTM/Husqvarna 808365
MOOSE RACING
$130.03A complete engine and transmission rebuild demands precision gaskets and seals that match OEM specifications without the OEM price tag. The MOOSE RACING Complete Motor Gasket Kit delivers all the components you need—gaskets, o-rings, and valve...09344778- SKU:
- 09344778
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TYPE:
- ENGINE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
$130.03 -
MOOSE RACING Ignition Cover Gasket 817692
MOOSE RACING
$5.62A leaking ignition cover gasket compromises engine sealing and can lead to oil seepage, increased wear, and potential engine damage over time. The MOOSE RACING Ignition Cover Gasket delivers OEM-quality sealing at a fraction of the cost, making it an...M817692- SKU:
- M817692
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- ENGINE TYPE:
- 4-STROKE
- TYPE:
- IGNITION COVER
- UNITS:
- EACH
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
$5.62Qty in Cart: 0Quantity:Price:$5.62Subtotal: -
MOOSE RACING Complete Motor Gasket Kit - 250 SXF/XCF 808364
MOOSE RACING
$127.10A complete engine and transmission rebuild requires precision gasket sealing—any leak or poor fit compromises performance and reliability. The MOOSE RACING Complete Motor Gasket Kit eliminates guesswork by providing all necessary gaskets, seals, and...09344784- SKU:
- 09344784
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET
- TYPE:
- ENGINE
$127.10 -
MOOSE RACING Complete Motor Gasket Kit - CRF100/XR100 808221
MOOSE RACING
$74.51A complete engine rebuild demands precision seals and gaskets that won't fail under load. This MOOSE RACING kit eliminates the guesswork of sourcing individual components—every gasket, o-ring, and seal you need for a full CRF100/XR100 engine and...M808221- SKU:
- M808221
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- TYPE:
- COMPLETE
- TYPE:
- ENGINE
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
$74.51 -
MOOSE RACING Complete Motor Gasket Kit - KX/RM60 808407
MOOSE RACING
$39.34A complete engine and transmission rebuild demands gasket and seal integrity—any compromise leads to leaks, performance loss, and catastrophic failure. The MOOSE RACING Complete Motor Gasket Kit delivers OEM-equivalent reliability at a fraction of OEM...M808407- SKU:
- M808407
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- UNITS:
- KIT
- TYPE:
- ENGINE
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
$39.34Qty in Cart: 0Quantity:Price:$39.34Subtotal:
