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 Engine Gasket Kit - Suzuki KEG072
VINTCO
$44.95A failed gasket can compromise your entire engine's integrity, leading to oil leaks, coolant seepage, and catastrophic performance loss. The VINTCO Engine Gasket Kit KEG072 gives you OEM-equivalent sealing with modern material science, ensuring reliable...09347336- SKU:
- 09347336
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
$44.95 -
VINTCO Engine Gasket Kit - Suzuki KEG074
VINTCO
$26.95A compromised lower engine gasket seal leads to oil leaks, combustion blow-by, and accelerated wear on critical engine components. The VINTCO KEG074 replaces the entire lower assembly gasket set with precision-engineered seals that restore factory...09347337- SKU:
- 09347337
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$26.95 -
VINTCO Engine Gasket Kit - Suzuki KEG073
VINTCO
$47.95A compromised gasket seal is one of the fastest ways to lose engine integrity and invite costly leaks or contamination. The VINTCO Engine Gasket Kit for Suzuki delivers OEM-equivalent or superior sealing performance across all critical lower-engine...09347338- SKU:
- 09347338
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
$47.95 -
VINTCO Engine Gasket Kit - Suzuki KEG076
VINTCO
$19.95Engine gasket degradation leads to oil leaks, compression loss, and potential internal damage—issues that compound quickly without timely replacement. The VINTCO KEG076 gasket kit delivers OEM-equivalent or superior sealing performance using modern...09347339- SKU:
- 09347339
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$19.95 -
VINTCO Engine Gasket Kit - Suzuki KEG077
VINTCO
$24.95Engine gaskets are critical sealing components that prevent oil and coolant leaks while maintaining compression integrity—neglecting them during rebuilds or high-mileage service can lead to catastrophic engine failure. The VINTCO KEG077 is a complete...09347340- SKU:
- 09347340
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$24.95 -
VINTCO Engine Gasket Kit - Suzuki KEG078
VINTCO
$25.95Engine gaskets are critical wear items that deteriorate with heat cycles and time—failing gaskets lead to oil leaks, coolant seepage, and compromised combustion efficiency. The VINTCO KEG078 kit provides all essential gaskets for your Suzuki's lower...09347341- SKU:
- 09347341
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$25.95Qty in Cart: 0Quantity:Price:$25.95Subtotal: -
VINTCO Engine Gasket Kit - Suzuki KEG079
VINTCO
$54.95Engine gasket failure compromises compression, invites oil seepage, and can force an unplanned teardown—especially critical when you're pushing your Suzuki to the limit. The VINTCO Engine Gasket Kit KEG079 delivers complete lower-engine gasket coverage...09347342- SKU:
- 09347342
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$54.95 -
VINTCO Engine Gasket Kit - Yamaha KEG030
VINTCO
$29.95Engine gasket degradation compromises compression, invites oil seepage, and accelerates wear on critical internal components. The VINTCO Engine Gasket Kit KEG030 delivers a complete lower-engine gasket set engineered to OEM or superior specifications,...09347343- SKU:
- 09347343
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$29.95 -
VINTCO Engine Gasket Kit - Yamaha KEG031
VINTCO
$32.95A failed gasket means oil seeps, compression drops, and your engine rebuild stalls before it starts. The VINTCO Engine Gasket Kit KEG031 provides a complete set of precision-cut gaskets designed to OEM specifications, ensuring reliable sealing across...09347344- SKU:
- 09347344
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$32.95 -
VINTCO Engine Gasket Kit - Yamaha KEG037
VINTCO
$34.95A failing gasket seal compromises your entire lower engine assembly, leading to fluid leaks, overheating, and catastrophic engine damage. The VINTCO KEG037 Engine Gasket Kit delivers OEM-spec sealing with modern material compounds engineered to withstand...09347345- SKU:
- 09347345
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
$34.95 -
VINTCO Engine Gasket Kit - Yamaha KEG039
VINTCO
$36.95A compromised engine gasket can turn a reliable build into a liability, allowing oil seepage and coolant loss that compound into catastrophic failures. The VINTCO Engine Gasket Kit KEG039 delivers OEM-equivalent sealing integrity using modern material...09347346- SKU:
- 09347346
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
$36.95 -
VINTCO Engine Gasket Kit - Yamaha KEG044
VINTCO
$36.95A failed gasket can compromise your engine's integrity and lead to costly downtime. The VINTCO Engine Gasket Kit KEG044 delivers complete lower-engine sealing with materials engineered to match or exceed OEM specifications, ensuring reliable performance...09347347- SKU:
- 09347347
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$36.95 -
VINTCO Engine Gasket Kit - Yamaha KEG045
VINTCO
$34.95Engine gaskets degrade over time, leading to oil leaks, coolant seepage, and compromised combustion sealing—all of which rob your Yamaha of performance and reliability. The VINTCO KEG045 gasket kit replaces the entire lower engine assembly with...09347348- SKU:
- 09347348
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$34.95 -
VINTCO Oil Seal Kit - Honda KOS005
VINTCO
$52.95A complete engine rebuild demands precision in every component, and sealing integrity is non-negotiable for oil retention and performance longevity. The VINTCO Oil Seal Kit ensures your Honda's lower end is properly sealed against leaks and...09347349- SKU:
- 09347349
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
$52.95 -
VINTCO Oil Seal Kit - Honda KOS001
VINTCO
$36.95A complete engine rebuild demands meticulous attention to every seal and gasket—and this VINTCO Oil Seal Kit eliminates guesswork by including all the lower-end seals you need to prevent leaks and maintain pressure integrity. Whether you're refreshing a...09347350- SKU:
- 09347350
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
$36.95 -
VINTCO Oil Seal Kit - Honda KOS006
VINTCO
$45.95A complete engine rebuild demands precision at every sealing point—and this oil seal kit eliminates the guesswork by bundling all the critical lower-end seals your Honda engine requires. Factory seals degrade over time, leading to oil weeping,...09347351- SKU:
- 09347351
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
$45.95 -
VINTCO Oil Seal Kit - Kawasaki KOS016
VINTCO
$42.95A complete engine rebuild demands precision in every component—and oil seals are non-negotiable for preventing leaks and maintaining proper lubrication throughout your lower end. This VINTCO kit eliminates the guesswork by bundling all the critical seals...09347352- SKU:
- 09347352
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
$42.95 -
VINTCO Oil Seal Kit - Kawasaki KOS012
VINTCO
$42.95A complete engine rebuild demands precision sealing—any leak in your crankshaft, kickstarter, or clutch release shaft can compromise performance and reliability. The VINTCO Oil Seal Kit KOS012 supplies all the OEM-specification seals and o-rings you need...09347353- SKU:
- 09347353
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$42.95 -
VINTCO Oil Seal Kit - Honda KOS002
VINTCO
$27.95A complete engine rebuild demands precision at every junction—and oil seals are where catastrophic leaks begin. The VINTCO Oil Seal Kit (KOS002) supplies all critical seals and o-rings for Honda lower-end assembly, eliminating the false economy of...09347354- SKU:
- 09347354
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$27.95 -
VINTCO Oil Seal Kit - Kawasaki KOS014
VINTCO
$42.95A complete engine rebuild demands precision sealing throughout the lower end—neglecting this step invites oil leakage, contamination, and premature wear on critical components. The VINTCO Oil Seal Kit delivers OEM-quality seals and o-rings engineered...09347355- SKU:
- 09347355
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
$42.95
