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...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...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...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...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...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...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...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...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
$13.26 -
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...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...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...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
$102.83Qty in Cart: 0Quantity:Price:$102.83Subtotal: -
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...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...M817675- SKU:
- M817675
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- IGNITION COVER
- UNITS:
- EACH
$7.01Qty in Cart: 0Quantity:Price:$7.01Subtotal: -
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...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...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...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...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
$5.62 -
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...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...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
$74.51Qty in Cart: 0Quantity:Price:$74.51Subtotal: -
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...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:
