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 - 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 -
VINTCO Top End Gasket Kit - Suzuki KTE028
VINTCO
$47.95A properly sealed top end is non-negotiable for engine reliability and performance consistency. The VINTCO KTE028 gasket kit delivers OEM-equivalent or superior sealing across all critical contact points, eliminating the guesswork and multiple trips to...09347268- SKU:
- 09347268
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$47.95 -
VINTCO Top End Gasket Kit - Yamaha KTE040
VINTCO
$84.95A properly sealed top end is non-negotiable for reliable performance and longevity. The VINTCO KTE040 gasket kit gives you all critical sealing surfaces in one complete package, eliminating the guesswork of sourcing individual gaskets. Modern material...09347269- SKU:
- 09347269
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$84.95 -
VINTCO Top End Gasket Kit - Yamaha KTE041
VINTCO
$72.95A properly sealed top end is non-negotiable for engine reliability and performance consistency. The VINTCO KTE041 gasket kit gives you all critical sealing surfaces needed for a complete top end rebuild, engineered to match or exceed OEM specifications...09347270- SKU:
- 09347270
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$72.95 -
VINTCO Top End Gasket Kit - Honda KTE066
VINTCO
$22.95A compromised top end gasket seal will degrade engine performance and invite coolant/oil leakage that accelerates internal wear. The VINTCO KTE066 gasket kit delivers OEM-specification sealing surfaces across your Honda's cylinder head, ensuring reliable...09347271- SKU:
- 09347271
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$22.95 -
VINTCO Top End Gasket Kit - Honda KTE050
VINTCO
$47.95A top end gasket kit is essential for any Honda engine rebuild—dried-out or degraded gaskets compromise compression and invite oil seepage that can compromise performance. VINTCO's KTE050 delivers precision-engineered gaskets that restore OEM-equivalent...09347272- SKU:
- 09347272
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$47.95 -
VINTCO Top End Gasket Kit - Kawasaki KTE055
VINTCO
$39.95A top-end gasket failure can sideline your build and compromise combustion integrity. The VINTCO Top End Gasket Kit for Kawasaki KTE055 delivers OEM-equivalent sealing performance with modern material construction, eliminating guesswork and ensuring a...09347273- SKU:
- 09347273
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$39.95 -
VINTCO Top End Gasket Kit - Maico KTE058
VINTCO
$59.95A top-end gasket failure can compromise engine sealing, reduce compression, and force you into an unplanned rebuild. The VINTCO KTE058 eliminates guesswork with OEM-specification gaskets engineered specifically for Maico engines, ensuring reliable...09347274- SKU:
- 09347274
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$59.95 -
VINTCO Top End Gasket Kit - Suzuki KTE020
VINTCO
$44.95A top end rebuild demands precision—any leak or gasket failure compromises compression, efficiency, and engine longevity. The VINTCO KTE020 gasket kit delivers OEM-specification materials and complete coverage, eliminating the guesswork and multiple...09347275- SKU:
- 09347275
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$44.95 -
VINTCO Top End Gasket Kit - Yamaha KTE032
VINTCO
$44.95A top-end rebuild demands gasket integrity—even a single failure means lost compression, coolant seepage, and potential engine damage. The VINTCO KTE032 gasket kit delivers OEM-equivalent sealing performance using modern materials and precision...09347276- SKU:
- 09347276
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$44.95 -
VINTCO Top End Gasket Kit - Suzuki KTE085
VINTCO
$14.95A failing top end gasket is a ticking time bomb for any Suzuki build—oil leaks, compression loss, and catastrophic engine damage follow shortly after. The VINTCO KTE085 eliminates guesswork by delivering a complete gasket set engineered to OEM...09347277- SKU:
- 09347277
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$14.95 -
VINTCO Top End Gasket Kit - Yamaha KTE037
VINTCO
$50.95A top end rebuild demands precision gaskets that seal reliably under combustion pressure—substandard gaskets lead to compression loss, oil seepage, and catastrophic engine failure. The VINTCO KTE037 is engineered to OEM specifications, ensuring your...09347278- SKU:
- 09347278
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$50.95 -
VINTCO Engine Gasket Kit - Maico KEG024
VINTCO
$34.95A properly sealed engine is the foundation of reliable performance and longevity. The VINTCO Engine Gasket Kit for Maico delivers OEM-equivalent (or better) sealing across all critical lower-engine interfaces, eliminating the risk of oil leaks and...09347279- SKU:
- 09347279
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$34.95 -
VINTCO Engine Gasket Kit - Honda KEG008
VINTCO
$36.95Engine gasket failure is one of the most common causes of oil leaks and performance degradation in high-mileage Honda engines. The VINTCO Engine Gasket Kit KEG008 gives you a complete lower-engine solution with OEM-equivalent materials and fitment,...09347281- SKU:
- 09347281
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
$36.95 -
VINTCO Engine Gasket Kit - Honda KEG006
VINTCO
$49.95Engine gasket failure compromises compression, invites oil seepage, and can escalate minor leaks into catastrophic damage. The VINTCO KEG006 supplies all lower-engine gaskets in one kit, eliminating multiple orders and ensuring consistent material...09347282- SKU:
- 09347282
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$49.95 -
VINTCO Engine Gasket Kit - Honda KEG007
VINTCO
$39.95A failed engine gasket can sideline your build faster than any mechanical failure—and once a gasket blows, oil leaks and coolant seepage compromise everything downstream. The VINTCO KEG007 Engine Gasket Kit delivers complete lower-engine gasket coverage...09347283- SKU:
- 09347283
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$39.95 -
VINTCO Engine Gasket Kit - Honda KEG002
VINTCO
$52.95A complete lower-engine gasket failure can leave you stranded or cause costly internal damage. The VINTCO Engine Gasket Kit for Honda delivers OEM-equivalent sealing performance with modern material compounds that resist heat cycling and chemical...09347284- SKU:
- 09347284
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
$52.95 -
VINTCO Engine Gasket Kit - Maico KEG022
VINTCO
$34.95A failed gasket compromises engine sealing, leading to oil leaks, compression loss, and potential catastrophic damage. The VINTCO KEG022 Engine Gasket Kit delivers OEM-quality sealing across your entire lower engine assembly with modern material...09347285- SKU:
- 09347285
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$34.95
