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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On Sale
VESRAH Top End Gasket Kit - XL350 VG-5080-M
VESRAH
MSRP: $138.95Now: $132.00Was: $138.95A top-end rebuild demands precision—gasket failure mid-race costs you time and credibility. The VESRAH VG-5080-M delivers complete gasket coverage for your XL350, eliminating guesswork and ensuring...VG5080- SKU:
- VG5080
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $138.95Now: $132.00Was: $138.95 -
On Sale
VESRAH Top End Gasket Kit - XL 200 VG-591
VESRAH
MSRP: $31.95Now: $30.35Was: $31.95A top-end rebuild demands precision sealing at every interface—compromised gaskets lead to oil weeping, compression loss, and premature wear. The VESRAH VG-591 delivers a complete gasket solution...VG591- SKU:
- VG591
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- UNITS:
- SET
- PRODUCT NAME:
- GASKET
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
MSRP: $31.95Now: $30.35Was: $31.95 -
MOOSE RACING Gasket - Top End - Suzuki 810532
MOOSE RACING
$45.27A top-end rebuild demands precision gaskets that won't compromise seal integrity or cost you a fortune. The MOOSE RACING Gasket Set delivers OEM-quality sealing performance at a fraction of the...09346577- SKU:
- 09346577
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
- TYPE:
- TOP END
$45.27Qty in Cart: 0Quantity:Price:$45.27Subtotal: -
MOOSE RACING Complete Motor Gasket Kit - KTM/Husqvarna 808330
MOOSE RACING
$88.86A complete engine and transmission rebuild demands precision gaskets and seals that won't fail under load—OEM parts carry premium pricing that Moose Racing eliminates without compromising quality...09341684- SKU:
- 09341684
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- GASKET
- TYPE:
- ENGINE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
$88.86 -
MOOSE RACING Complete Motor Gasket Kit - KTM/Husqvarna 808333
MOOSE RACING
$87.56A complete engine and transmission rebuild demands precision gaskets and seals that won't compromise your work—this kit eliminates the hassle of sourcing individual components while cutting costs...09341685- SKU:
- 09341685
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
- TYPE:
- ENGINE
$87.56 -
MOOSE RACING Complete Motor Gasket Kit - KTM/Husaberg/Husqvarna 250 808334
MOOSE RACING
$90.50A complete engine and transmission rebuild demands precision gaskets and seals that won't compromise reliability or performance. The MOOSE RACING Complete Motor Gasket Kit eliminates the guesswork...09341686- SKU:
- 09341686
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
- TYPE:
- ENGINE
$90.50 -
MOOSE RACING Complete Motor Gasket Kit - KTM/Husaberg/Husqvarna 300 808335
MOOSE RACING
$80.32A complete engine rebuild demands precision gaskets and seals that won't compromise your engine's integrity or cost you a fortune. The MOOSE RACING Complete Motor Gasket Kit eliminates the guesswork...09341687- SKU:
- 09341687
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- TYPE:
- ENGINE
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
$80.32 -
MOOSE RACING Complete Motor Gasket Kit - KX85 808419
MOOSE RACING
$58.40A complete engine and transmission rebuild demands precision-fit gaskets and seals that won't compromise your performance gains. The MOOSE RACING Complete Motor Gasket Kit eliminates the guesswork of...09341689- SKU:
- 09341689
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
- TYPE:
- ENGINE
- PRODUCT NAME:
- GASKET
$58.40Qty in Cart: 0Quantity:Price:$58.40Subtotal: -
MOOSE RACING Top End Gasket Kit - 250SX/XC 810333
MOOSE RACING
$47.28When you're rebuilding a 250SX/XC top end, using OEM-equivalent gaskets and seals is non-negotiable—they're what keeps compression stable, oil where it belongs, and your engine reliable between races...09341690- SKU:
- 09341690
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- PRODUCT NAME:
- GASKET
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$47.28 -
MOOSE RACING Top End Gasket Kit - 300/XC/XCW 810335
MOOSE RACING
$40.11A top-end rebuild demands precision—and this Moose Racing gasket kit delivers every seal and gasket you need without the OEM price tag. Whether you're replacing a worn piston or raising compression,...09341691- SKU:
- 09341691
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- PRODUCT NAME:
- GASKET
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$40.11 -
MOOSE RACING Clutch Cover Gasket 816547
MOOSE RACING
$11.64A failing clutch cover gasket leads to oil seepage, contamination, and potential engine damage—exactly the kind of preventable failure that costs you track time and money. The MOOSE RACING Clutch...09340572- SKU:
- 09340572
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- PRODUCT NAME:
- GASKET
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH COVER
$11.64Qty in Cart: 0Quantity:Price:$11.64Subtotal: -
MOOSE RACING Clutch Cover Gasket 816590
MOOSE RACING
$10.66A leaking clutch cover gasket compromises engine sealing and invites oil contamination into your clutch assembly—exactly what you don't need mid-season. The MOOSE RACING Clutch Cover Gasket delivers...09340573- SKU:
- 09340573
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH COVER
- UNITS:
- EACH
- PRODUCT NAME:
- GASKET
$10.66 -
MOOSE RACING Ignition Cover Gasket 816589
MOOSE RACING
$8.13A leaking ignition cover gasket compromises engine sealing and can lead to oil weeping that threatens performance and longevity. The MOOSE RACING Ignition Cover Gasket delivers OEM-quality sealing at...09340575- SKU:
- 09340575
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- GASKET
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- IGNITION COVER
$8.13Qty in Cart: 0Quantity:Price:$8.13Subtotal: -
MOOSE RACING Clutch Cover Gasket 817731
MOOSE RACING
$12.09A leaking clutch cover gasket compromises engine sealing and can lead to oil loss and contamination. The MOOSE RACING Clutch Cover Gasket 817731 delivers OEM-equivalent sealing performance at a...09340578- SKU:
- 09340578
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH COVER
$12.09 -
MOOSE RACING Top End Gasket Kit - KX250 810464
MOOSE RACING
$46.75A top-end rebuild demands precision gaskets and seals that won't compromise engine integrity or cost you a fortune. The MOOSE RACING Top End Gasket Kit delivers OEM-quality components at a fraction...09340333- SKU:
- 09340333
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET
$46.75 -
MOOSE RACING Complete Motor Gasket Kit - YZF450 808677
MOOSE RACING
$80.32A complete engine rebuild demands precision gaskets and seals that won't fail mid-season. The MOOSE RACING Complete Motor Gasket Kit eliminates the guesswork by bundling every gasket, o-ring, and...09340335- SKU:
- 09340335
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TYPE:
- ENGINE
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
$80.32 -
MOOSE RACING Motor Gasket Kit with Seal - KX250 811464
MOOSE RACING
$82.98A complete engine and transmission rebuild demands precision gaskets and seals that won't compromise your performance or reliability. This MOOSE RACING kit eliminates the guesswork and expense of...09340336- SKU:
- 09340336
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET
- TYPE:
- ENGINE
$82.98 -
On Sale
VESRAH Complete Gasket Kit - DT/MX 175 VG-266
VESRAH
MSRP: $22.13Now: $21.02Was: $22.13A complete engine rebuild demands precision sealing at every junction—and that's where a quality gasket kit becomes non-negotiable. The VESRAH Complete Gasket Kit VG-266 delivers all necessary...VG266- SKU:
- VG266
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- SET
- TYPE:
- COMPLETE
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
MSRP: $22.13Now: $21.02Was: $22.13Qty in Cart: 0Quantity:Price:MSRP: $22.13Now: $21.02Was: $22.13Subtotal: -
On Sale
VESRAH Complete Gasket Kit - SR/TT/XT500 VG-274
VESRAH
MSRP: $74.49Now: $70.77Was: $74.49A complete engine rebuild demands precision—and compromised gaskets will undermine every hour of work you invest. The VESRAH VG-274 gives you every seal, o-ring, and gasket your SR/TT/XT500 needs in...VG274- SKU:
- VG274
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- PRODUCT NAME:
- GASKET
- UNITS:
- SET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
MSRP: $74.49Now: $70.77Was: $74.49 -
On Sale
VESRAH Complete Gasket Kit - DT/YZ 125 VG-280
VESRAH
MSRP: $28.95Now: $27.50Was: $28.95A complete engine rebuild demands a comprehensive gasket solution—incomplete kits risk compression loss, oil leakage, and catastrophic failure. The VESRAH VG-280 delivers every gasket and seal your...VG280- SKU:
- VG280
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- PRODUCT NAME:
- GASKET
MSRP: $28.95Now: $27.50Was: $28.95Qty in Cart: 0Quantity:Price:MSRP: $28.95Now: $27.50Was: $28.95Subtotal:
