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
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VINTCO Engine Gasket Kit - Honda KEG003
VINTCO
$54.95Engine gasket degradation compromises compression and invites coolant/oil seepage that can cascade into catastrophic engine failure. The VINTCO KEG003 kit delivers OEM-spec gaskets across your lower engine assembly, ensuring the airtight seals your Honda...09347293- SKU:
- 09347293
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$54.95Qty in Cart: 0Quantity:Price:$54.95Subtotal: -
VINTCO Engine Gasket Kit - Honda KEG004
VINTCO
$54.95Engine gasket failure is one of the quickest ways to turn a reliable build into a leak-prone headache. The VINTCO KEG004 gasket kit gives you complete lower-engine coverage with modern material compounds that match or exceed OEM specifications,...09347294- SKU:
- 09347294
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$54.95Qty in Cart: 0Quantity:Price:$54.95Subtotal: -
VINTCO Engine Gasket Kit - Kawasaki KEG020
VINTCO
$49.95Engine gasket failure compromises compression and invites oil leakage that degrades performance and reliability. The VINTCO KEG020 kit provides all lower engine assembly gaskets in one package, eliminating the need to source components individually and...09347295- SKU:
- 09347295
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$49.95 -
VINTCO Engine Gasket Kit - Yamaha KEG041
VINTCO
$24.95Engine gasket degradation leads to oil leaks, compression loss, and catastrophic engine failure—especially in high-stress racing or modified applications. The VINTCO Engine Gasket Kit KEG041 delivers OEM-equivalent sealing performance using modern gasket...09347296- SKU:
- 09347296
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$24.95 -
VINTCO Engine Gasket Kit - Yamaha KEG042
VINTCO
$24.95Engine gaskets deteriorate over time, leading to oil seepage, compression loss, and potential engine damage. A complete gasket kit ensures a reliable seal across your lower engine assembly, restoring compression and preventing costly leaks. The VINTCO...09347297- SKU:
- 09347297
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
$24.95 -
VINTCO Engine Gasket Kit - Honda KEG027
VINTCO
$36.95Engine gasket failure compromises compression, invites oil leaks, and forces costly downtime. The VINTCO KEG027 kit delivers all lower-engine gaskets you need in one complete assembly, eliminating the hassle of sourcing individual components and ensuring...09347298- SKU:
- 09347298
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$36.95 -
VINTCO Engine Gasket Kit - Maico KEG023
VINTCO
$59.95A degraded or failing gasket seal compromises engine efficiency, increases oil leakage, and risks catastrophic engine damage. The VINTCO KEG023 Engine Gasket Kit delivers a complete lower-engine seal solution engineered to OEM specifications, restoring...09347299- SKU:
- 09347299
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$59.95 -
VINTCO Engine Gasket Kit - Kawasaki KEG019
VINTCO
$44.95A failing engine gasket kit compromises compression, invites oil leakage, and accelerates wear on critical engine components. The VINTCO KEG019 restores proper sealing across your Kawasaki's lower engine, using modern materials engineered to match or...09347300- SKU:
- 09347300
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
$44.95 -
VINTCO Engine Gasket Kit - Suzuki KEG050
VINTCO
$47.95Engine gasket failure is one of the most common causes of coolant leaks, oil seepage, and catastrophic engine damage—especially in higher-mileage or frequently driven Suzuki engines. The VINTCO Engine Gasket Kit KEG050 gives you a complete lower-engine...09347301- SKU:
- 09347301
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$47.95 -
VINTCO Engine Gasket Kit - Yamaha KEG034
VINTCO
$22.95Engine gasket failure compromises compression, invites oil seepage, and can cascade into catastrophic engine damage if left unaddressed. The VINTCO KEG034 gasket kit delivers OEM-equivalent sealing performance using modern materials, giving you the...09347302- SKU:
- 09347302
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$22.95Qty in Cart: 0Quantity:Price:$22.95Subtotal: -
VINTCO Engine Gasket Kit - Honda KEG009
VINTCO
$44.95Engine gasket failure is one of the most common causes of fluid leaks and performance degradation in Honda powerplants. The VINTCO Engine Gasket Kit (KEG009) replaces all critical lower-engine gaskets with modern materials engineered to meet or exceed...09347303- SKU:
- 09347303
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
$44.95 -
VINTCO Engine Gasket Kit - Yamaha KEG040
VINTCO
$24.95Engine gasket failure compromises compression, invites oil leakage, and forces costly downtime. The VINTCO KEG040 Gasket Kit delivers comprehensive lower-engine sealing with modern material compounds that match or exceed OEM specifications, ensuring...09347304- SKU:
- 09347304
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
VINTCO Engine Gasket Kit - Honda KEG026
VINTCO
$24.95A compromised lower engine gasket can lead to oil leaks, coolant seepage, and internal contamination—issues that compound quickly and threaten engine longevity. The VINTCO Engine Gasket Kit KEG026 provides complete lower-engine gasket coverage with...09347305- SKU:
- 09347305
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
$24.95 -
VINTCO Engine Gasket Kit - Kawasaki KEG021
VINTCO
$39.95Engine gasket failure compromises sealing integrity and leads to oil leaks, contamination, and performance loss. The VINTCO KEG021 gasket kit includes all critical lower-engine gaskets needed to restore proper compression and sealing during rebuilds or...09347306- SKU:
- 09347306
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$39.95 -
VINTCO Engine Gasket Kit - Kawasaki KEG015
VINTCO
$52.95Engine gasket degradation compromises compression, increases oil seepage, and reduces thermal efficiency—problems that compound quickly without proper sealing. This VINTCO kit replaces all critical lower-engine gaskets with OEM-equivalent specifications,...09347307- SKU:
- 09347307
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$52.95 -
VINTCO Engine Gasket Kit - Kawasaki KEG017
VINTCO
$41.95A complete lower engine gasket set is essential for any serious rebuild or engine refresh—leaks compromise performance and reliability, while worn gaskets can silently drain power and efficiency. The VINTCO KEG017 delivers OEM-matching sealing integrity...09347308- SKU:
- 09347308
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$41.95 -
VINTCO Engine Gasket Kit - Suzuki KEG053
VINTCO
$34.95Engine gasket degradation is one of the most common causes of oil seepage, compression loss, and internal corrosion in Suzuki engines. The VINTCO KEG053 is a complete lower-end gasket set engineered to restore proper sealing surfaces and maintain peak...09347309- SKU:
- 09347309
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal: -
VINTCO Engine Gasket Kit - Suzuki KEG064
VINTCO
$49.95A compromised engine gasket kit leads to oil leaks, coolant seepage, and internal combustion inefficiency—problems that cascade into costly engine damage if left unaddressed. The VINTCO Engine Gasket Kit KEG064 provides OEM-equivalent sealing performance...09347310- SKU:
- 09347310
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$49.95 -
VINTCO Engine Gasket Kit - Honda KEG005
VINTCO
$59.95A failed gasket can compromise your entire engine—allowing coolant and oil to escape while inviting contamination that accelerates wear. The VINTCO KEG005 gives you a complete lower-engine gasket set engineered to OEM specifications, ensuring reliable...09347311- SKU:
- 09347311
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$59.95 -
VINTCO Engine Gasket Kit - Suzuki KEG054
VINTCO
$39.95Engine gaskets are your first line of defense against oil leaks, coolant seepage, and compression loss—three problems that cascade into major damage if left unchecked. The VINTCO KEG054 Engine Gasket Kit delivers a complete lower-engine assembly solution...09347313- SKU:
- 09347313
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
$39.95
