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 Exhaust Gasket Kit 823096
MOOSE RACING
$8.13A proper exhaust seal is critical to maintaining peak engine performance and preventing costly gas leaks that rob horsepower and increase emissions. The MOOSE RACING Exhaust Gasket Kit 823096 delivers OEM-quality sealing with the durability demanded by...09345297- SKU:
- 09345297
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- EXHAUST
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
$8.13 -
MOOSE RACING Exhaust Gasket Kit 823102
MOOSE RACING
$21.87A failing exhaust gasket can compromise your engine's seal integrity, causing exhaust leaks that rob horsepower, increase emissions, and create unwanted noise. The MOOSE RACING Exhaust Gasket Kit 823102 delivers OEM-quality sealing performance with...09345301- SKU:
- 09345301
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- EXHAUST
- PRODUCT NAME:
- GASKET KIT
$21.87 -
MOOSE RACING Exhaust Gasket Kit 823109
MOOSE RACING
$21.87A quality exhaust gasket kit is essential for maintaining a reliable seal between exhaust manifold and header pipes—preventing exhaust leaks that rob horsepower and cause noise issues. The MOOSE RACING 823109 kit delivers OEM-grade gaskets that withstand...09345308- SKU:
- 09345308
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- EXHAUST
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
$21.87 -
MOOSE RACING Exhaust Gasket Kit 823110
MOOSE RACING
$21.87A proper seal at your exhaust manifold is critical to preventing performance-robbing leaks and exhaust odors that indicate gasket failure. The MOOSE RACING Exhaust Gasket Kit 823110 delivers OEM-quality sealing with materials engineered to withstand...09345309- SKU:
- 09345309
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- EXHAUST
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET KIT
$21.87 -
MOOSE RACING Exhaust Gasket Kit 823111
MOOSE RACING
$21.87A proper exhaust seal is foundational to engine performance and longevity. Worn or degraded gaskets allow exhaust leaks that compromise efficiency, increase emissions, and create unwanted noise. The MOOSE RACING Exhaust Gasket Kit 823111 delivers...09345310- SKU:
- 09345310
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- EXHAUST
- PRODUCT NAME:
- GASKET KIT
$21.87 -
MOOSE RACING Exhaust Gasket Kit 823113
MOOSE RACING
$16.40A quality exhaust gasket kit is essential for maintaining a proper seal between your exhaust manifold and engine head—critical for preventing performance-robbing exhaust leaks and ensuring accurate emissions readings. MOOSE RACING's 823113 gasket kit...09345312- SKU:
- 09345312
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- EXHAUST
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
$16.40 -
MOOSE RACING Exhaust Gasket Kit 823114
MOOSE RACING
$16.37A quality exhaust gasket kit is critical for maintaining a proper seal between exhaust manifold flanges and preventing costly leaks that compromise performance and fuel efficiency. MOOSE RACING's 823114 kit delivers OEM-equivalent gaskets engineered to...09345313- SKU:
- 09345313
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- EXHAUST
$16.37 -
MOOSE RACING Exhaust Gasket Kit 823117
MOOSE RACING
$16.73A proper exhaust seal is the foundation of any reliable performance exhaust system. Worn or deteriorated gaskets lead to exhaust leaks, power loss, and increased emissions—compromising both your engine's efficiency and your build's integrity. The MOOSE...09345316- SKU:
- 09345316
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- EXHAUST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$16.73Qty in Cart: 0Quantity:Price:$16.73Subtotal: -
MOOSE RACING Exhaust Gasket Kit 823118
MOOSE RACING
$16.37A leaking exhaust gasket compromises both performance and reliability, allowing unburned fuel and exhaust gases to escape outside your intended path. This MOOSE RACING Exhaust Gasket Kit 823118 delivers OEM-quality sealing with premium materials...09345317- SKU:
- 09345317
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- EXHAUST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$16.37 -
MOOSE RACING Exhaust Gasket Kit 823119
MOOSE RACING
$16.73A compromised exhaust gasket means lost compression, exhaust leaks, and reduced engine efficiency—all of which rob you of performance and reliability. The MOOSE RACING Exhaust Gasket Kit 823119 delivers OEM-quality sealing across your exhaust manifold,...09345318- SKU:
- 09345318
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- TYPE:
- EXHAUST
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
$16.73 -
MOOSE RACING Water Pump Rebuild Kit 821370
MOOSE RACING
$37.61A failing water pump compromises your engine's cooling system and risks catastrophic overheating—especially under sustained racing conditions or high-performance driving. The MOOSE RACING Water Pump Rebuild Kit 821370 gives you a complete, OEM-quality...09345211- SKU:
- 09345211
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- WATER PUMP
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$37.61 -
MOOSE RACING Water Pump Rebuild Kit 821372
MOOSE RACING
$34.61A failing water pump can leave you stranded or, worse, cost you a race. This MOOSE RACING rebuild kit gives you everything needed to restore your water pump to factory specifications without the downtime of sourcing individual components. Whether you're...09345212- SKU:
- 09345212
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- WATER PUMP
$34.61 -
MOOSE RACING Water Pump Rebuild Kit 821595
MOOSE RACING
$40.63A failing water pump can sideline your engine faster than any blown gasket. The MOOSE RACING Water Pump Rebuild Kit 821595 gives you everything needed to restore your pump to OEM specifications without the expense of a full replacement. Whether you're...09345249- SKU:
- 09345249
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- WATER PUMP
$40.63Qty in Cart: 0Quantity:Price:$40.63Subtotal: -
MOOSE RACING Water Pump Rebuild Kit 821612
MOOSE RACING
$49.72A failing water pump can leave you stranded or cause catastrophic engine damage—and replacement isn't always practical for race teams or serious enthusiasts who need their engine back on the track fast. The MOOSE RACING Water Pump Rebuild Kit 821612...09345250- SKU:
- 09345250
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
$49.72 -
MOOSE RACING Water Pump Rebuild Kit 821613
MOOSE RACING
$45.92A failing water pump doesn't just compromise cooling efficiency—it risks catastrophic engine damage. This MOOSE RACING rebuild kit gives you everything needed to restore your water pump to factory specifications without the cost of a complete replacement...09345251- SKU:
- 09345251
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- WATER PUMP
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
$45.92 -
MOOSE RACING Water Pump Rebuild Kit 821635
MOOSE RACING
$58.92A failing water pump compromises your entire cooling system—leaving you stranded trackside or dealing with catastrophic engine damage. The MOOSE RACING Water Pump Rebuild Kit 821635 gives you everything needed to restore your pump to OEM specifications...09345253- SKU:
- 09345253
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
$58.92 -
MOOSE RACING Water Pump Rebuild Kit 821636
MOOSE RACING
$46.83A failing water pump can quickly escalate from a minor coolant leak into catastrophic engine damage. This MOOSE RACING rebuild kit supplies every gasket, seal, bearing, and snap ring needed to restore your water pump to factory performance...09345254- SKU:
- 09345254
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- WATER PUMP
$46.83 -
MOOSE RACING Water Pump Rebuild Kit 821639
MOOSE RACING
$44.05A failing water pump can leave you stranded on the track or trail, and replacement isn't always practical when a complete rebuild will restore your pump to OEM specifications. This MOOSE RACING rebuild kit gives you every seal, bearing, and gasket needed...09345255- SKU:
- 09345255
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- WATER PUMP
- UNITS:
- KIT
$44.05 -
MOOSE RACING Water Pump Rebuild Kit 821641
MOOSE RACING
$40.22A failing water pump can quickly escalate into catastrophic engine damage, making a quality rebuild kit essential maintenance for any serious racer or performance enthusiast. Rather than replacing the entire assembly, this MOOSE RACING rebuild kit...09345256- SKU:
- 09345256
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- WATER PUMP
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$40.22 -
MOOSE RACING Clutch Outer Gasket - Suzuki 816169
MOOSE RACING
$13.02A worn or degraded clutch outer gasket compromises your clutch cover seal, leading to oil seepage, contamination, and potential clutch failure during critical racing moments. The MOOSE RACING Clutch Outer Gasket is engineered to maintain a reliable,...09346960- SKU:
- 09346960
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- GASKET
- TYPE:
- CLUTCH OUTER
- RIDING STYLE:
- OFF-ROAD
$13.02
