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!
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VINTCO Top End Gasket Kit - Yamaha KTE030
VINTCO
$44.95A top end rebuild demands precision—gasket failure under boost or high RPM can compromise seal integrity and cost you valuable track time. The VINTCO KTE030 delivers OEM-spec gasket materials engineered to maintain consistent compression sealing across...09347248- SKU:
- 09347248
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$44.95 -
VINTCO Top End Gasket Kit - Yamaha KTE039
VINTCO
$67.95A top end rebuild demands precision gaskets that seal under extreme pressure and temperature cycles—factory gaskets deteriorate over time, leading to compression loss and oil seepage that compromise engine performance. The VINTCO KTE039 kit eliminates...09347249- SKU:
- 09347249
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$67.95 -
VINTCO Top End Gasket Kit - Yamaha KTE031
VINTCO
$47.95A worn or compromised top-end gasket kit can lead to compression loss, oil leakage, and catastrophic engine failure—especially under racing conditions or high-boost applications. The VINTCO KTE031 provides a complete seal solution with OEM-equivalent...09347250- SKU:
- 09347250
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$47.95 -
VINTCO Top End Gasket Kit - Honda KTE065
VINTCO
$29.95A top-end rebuild demands gaskets that match or exceed OEM specifications—and that's exactly what this VINTCO kit delivers. Whether you're freshening a tired engine or optimizing a performance build, having all critical gaskets in one package eliminates...09347251- SKU:
- 09347251
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$29.95 -
VINTCO Top End Gasket Kit - Maico KTE059
VINTCO
$36.95A degraded top end gasket kit can lead to compression loss, oil seepage, and catastrophic engine failure—especially in high-demand racing applications. The VINTCO KTE059 ensures a complete, OEM-specification seal across all critical top-end surfaces,...09347252- SKU:
- 09347252
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$36.95 -
VINTCO Top End Gasket Kit - Maico KTE062
VINTCO
$47.95A top-end rebuild demands precision gaskets that seal reliably under high combustion pressures and temperature swings—factory gaskets often degrade after repeated heat cycles, leading to leakage and lost performance. The VINTCO Top End Gasket Kit for...09347253- SKU:
- 09347253
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$47.95 -
VINTCO Top End Gasket Kit - Yamaha KTE064
VINTCO
$28.95A leaking or degraded top end gasket can compromise engine compression, increase oil consumption, and lead to costly damage if left unaddressed. The VINTCO KTE064 gasket kit provides all the sealing surfaces needed for a complete top end rebuild on your...09347254- SKU:
- 09347254
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$28.95 -
VINTCO Top End Gasket Kit - Kawasaki KTE017
VINTCO
$51.95A degraded top end gasket set compromises compression, invites oil leakage, and forces you to rebuild twice. The VINTCO KTE017 delivers OEM-grade sealing integrity across all critical surfaces, letting you complete a single, reliable rebuild without...09347255- SKU:
- 09347255
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$51.95 -
VINTCO Top End Gasket Kit - Maico KTE061
VINTCO
$46.95A top end rebuild demands precision—gasket failure leads to compression loss, oil leakage, and catastrophic engine damage. The VINTCO Top End Gasket Kit delivers OEM-equivalent fitment and durability using modern materials and manufacturing processes,...09347256- SKU:
- 09347256
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$46.95 -
VINTCO Top End Gasket Kit - Suzuki KTE025
VINTCO
$56.95A failing top end gasket can compromise your engine's compression and lead to costly coolant or oil leaks. The VINTCO KTE025 gasket kit provides OEM-specification sealing surfaces to restore your Suzuki's reliability and maintain peak performance during...09347257- SKU:
- 09347257
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$56.95 -
VINTCO Top End Gasket Kit - Suzuki KTE026
VINTCO
$39.95A top end rebuild demands precision gaskets that maintain compression integrity and prevent coolant or oil seepage under sustained heat and boost. The VINTCO KTE026 kit delivers OEM-equivalent sealing performance with modern material composition,...09347258- SKU:
- 09347258
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$39.95 -
VINTCO Top End Gasket Kit - Suzuki KTE027
VINTCO
$42.95A worn or compromised top end gasket set will cause oil leakage, compression loss, and potential coolant mixing—all of which compromise engine reliability and performance. The VINTCO KTE027 is engineered to OEM or better specifications, ensuring proper...09347259- SKU:
- 09347259
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$42.95 -
VINTCO Top End Gasket Kit - Yamaha KTE045
VINTCO
$59.95A top end rebuild demands precision—one compromised gasket can lead to compression loss, oil seepage, or catastrophic failure. The VINTCO KTE045 gasket kit gives you OEM-equivalent sealing across all critical top end surfaces, eliminating guesswork and...09347260- SKU:
- 09347260
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$59.95 -
VINTCO Top End Gasket Kit - Husqvarna KTE053
VINTCO
$24.95A failing top end gasket kit compromises engine compression, invites oil seepage, and creates expensive downtime. The VINTCO KTE053 delivers OEM-equivalent sealing integrity with precision-engineered gaskets that handle both street and track demands...09347261- SKU:
- 09347261
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$24.95 -
VINTCO Top End Gasket Kit - Maico KTE057
VINTCO
$61.95A leaking top end is downtime you can't afford. The VINTCO KTE057 gasket kit gives you all the critical sealing surfaces needed for a complete top-end rebuild, using modern materials engineered to match or exceed OEM specifications. Whether you're...09347262- SKU:
- 09347262
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$61.95 -
VINTCO Top End Gasket Kit - Kawasaki KTE015
VINTCO
$38.95A top end rebuild demands precision gasket fitment—failure here means oil leaks, compression loss, and wasted labor. The VINTCO KTE015 kit delivers OEM-equivalent or superior sealing performance using modern materials and manufacturing standards,...09347263- SKU:
- 09347263
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$38.95 -
VINTCO Top End Gasket Kit - Kawasaki KTE018
VINTCO
$44.95A worn or failed top-end gasket set will cause oil leaks, compression loss, and potential engine damage—this VINTCO kit gives you all the OEM-spec gaskets needed for a complete, leak-free rebuild. Whether you're refreshing a high-mileage engine or doing...09347264- SKU:
- 09347264
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$44.95 -
VINTCO Top End Gasket Kit - Kawasaki KTE054
VINTCO
$31.95A top-end gasket failure can sideline your build and compromise engine reliability when you need it most. The VINTCO Top End Gasket Kit delivers OEM-equivalent or superior sealing performance using modern materials and precision manufacturing,...09347265- SKU:
- 09347265
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$31.95 -
VINTCO Top End Gasket Kit - Honda KTE049
VINTCO
$40.95A leaking or failing top end gasket will compromise engine sealing, reduce compression, and lead to oil seepage that accelerates wear on critical components. The VINTCO KTE049 Top End Gasket Kit delivers precision-engineered gaskets that meet or exceed...09347266- SKU:
- 09347266
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$40.95 -
VINTCO Top End Gasket Kit - Kawasaki KTE014
VINTCO
$29.95A top end rebuild demands precision—mismatched or degraded gaskets will compromise compression and invite oil seepage that sabotages performance. The VINTCO KTE014 delivers OEM-equivalent fit and complete gasket coverage, so you can execute a full top...09347267- SKU:
- 09347267
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$29.95
