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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- Price
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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 KEG001
VINTCO
$64.95A complete lower-end gasket failure can leave you stranded or cause catastrophic engine damage. The VINTCO Engine Gasket Kit KEG001 delivers OEM-equivalent sealing performance with modern material composition, ensuring reliable compression and fluid...09347280- SKU:
- 09347280
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
$64.95Qty in Cart: 0Quantity:Price:$64.95Subtotal: -
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 -
VINTCO Engine Gasket Kit - Honda KEG029
VINTCO
$44.95A leaking or degraded gasket kit compromises engine sealing, leading to oil weeping, coolant loss, and potential catastrophic failure during high-performance operation. The VINTCO KEG029 is a complete lower-engine gasket solution engineered to OEM or...09347286- SKU:
- 09347286
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$44.95 -
VINTCO Engine Gasket Kit - Yamaha KEG046
VINTCO
$24.95A complete lower-engine gasket failure can mean catastrophic damage, downtime, and costly repairs—making a quality gasket kit essential for any Yamaha engine rebuild or refresh. The VINTCO KEG046 delivers OEM-equivalent sealing performance using modern...09347287- SKU:
- 09347287
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$24.95 -
VINTCO Engine Gasket Kit - Honda KEG025
VINTCO
$29.95Engine gasket failure compromises compression, invites oil leakage, and risks catastrophic internal damage—making a complete, quality gasket kit essential for reliable operation. The VINTCO KEG025 covers all critical lower-engine gaskets with modern...09347288- SKU:
- 09347288
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$29.95 -
VINTCO Engine Gasket Kit - Yamaha KEG032
VINTCO
$24.95Engine gasket failure is one of the most preventable causes of catastrophic engine damage—yet many enthusiasts overlook gasket quality until it's too late. The VINTCO Engine Gasket Kit for Yamaha engines delivers OEM-equivalent or superior sealing...09347289- SKU:
- 09347289
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
VINTCO Engine Gasket Kit - Yamaha KEG033
VINTCO
$24.95A complete lower engine gasket failure can leave you stranded and facing costly downtime. The VINTCO Engine Gasket Kit KEG033 gives you all the critical sealing surfaces your Yamaha engine needs to run leak-free and reliable, using modern materials...09347290- SKU:
- 09347290
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$24.95 -
VINTCO Engine Gasket Kit - Kawasaki KEG018
VINTCO
$34.95A compromised lower engine gasket seal doesn't just leak—it invites contamination, pressure loss, and catastrophic engine failure. The VINTCO Engine Gasket Kit KEG018 replaces all critical lower-engine gaskets with precision-manufactured components that...09347291- SKU:
- 09347291
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$34.95 -
VINTCO Engine Gasket Kit - Yamaha KEG038
VINTCO
$36.95A failed engine gasket can compromise your entire powerplant, leading to coolant leaks, oil seepage, and catastrophic engine damage if left unaddressed. The VINTCO Engine Gasket Kit KEG038 provides complete lower-end gasket coverage for your Yamaha,...09347292- SKU:
- 09347292
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
$36.95Qty in Cart: 0Quantity:Price:$36.95Subtotal:
