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
- Subtotal
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On Sale
VINTCO Engine Gasket Kit - Honda KEG003
VINTCO
MSRP: $54.95Now: $51.10Was: $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...09347293- SKU:
- 09347293
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
MSRP: $54.95Now: $51.10Was: $54.95Qty in Cart: 0Quantity:Price:MSRP: $54.95Now: $51.10Was: $54.95Subtotal: -
On Sale
VINTCO Engine Gasket Kit - Honda KEG004
VINTCO
MSRP: $54.95Now: $51.10Was: $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...09347294- SKU:
- 09347294
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
MSRP: $54.95Now: $51.10Was: $54.95Qty in Cart: 0Quantity:Price:MSRP: $54.95Now: $51.10Was: $54.95Subtotal: -
On Sale
VINTCO Engine Gasket Kit - Kawasaki KEG020
VINTCO
MSRP: $49.95Now: $46.45Was: $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,...09347295- SKU:
- 09347295
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
MSRP: $49.95Now: $46.45Was: $49.95 -
On Sale
VINTCO Engine Gasket Kit - Yamaha KEG041
VINTCO
MSRP: $24.95Now: $23.20Was: $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...09347296- SKU:
- 09347296
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
MSRP: $24.95Now: $23.20Was: $24.95Qty in Cart: 0Quantity:Price:MSRP: $24.95Now: $23.20Was: $24.95Subtotal: -
On Sale
VINTCO Engine Gasket Kit - Yamaha KEG042
VINTCO
MSRP: $24.95Now: $23.20Was: $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...09347297- SKU:
- 09347297
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
MSRP: $24.95Now: $23.20Was: $24.95 -
On Sale
VINTCO Engine Gasket Kit - Honda KEG027
VINTCO
MSRP: $36.95Now: $34.36Was: $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...09347298- SKU:
- 09347298
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
MSRP: $36.95Now: $34.36Was: $36.95Qty in Cart: 0Quantity:Price:MSRP: $36.95Now: $34.36Was: $36.95Subtotal: -
On Sale
VINTCO Engine Gasket Kit - Maico KEG023
VINTCO
MSRP: $59.95Now: $55.75Was: $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...09347299- SKU:
- 09347299
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
MSRP: $59.95Now: $55.75Was: $59.95 -
On Sale
VINTCO Engine Gasket Kit - Kawasaki KEG019
VINTCO
MSRP: $44.95Now: $41.80Was: $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...09347300- SKU:
- 09347300
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
MSRP: $44.95Now: $41.80Was: $44.95 -
On Sale
VINTCO Engine Gasket Kit - Suzuki KEG050
VINTCO
MSRP: $47.95Now: $44.59Was: $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...09347301- SKU:
- 09347301
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
MSRP: $47.95Now: $44.59Was: $47.95Qty in Cart: 0Quantity:Price:MSRP: $47.95Now: $44.59Was: $47.95Subtotal: -
On Sale
VINTCO Engine Gasket Kit - Yamaha KEG034
VINTCO
MSRP: $22.95Now: $21.34Was: $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...09347302- SKU:
- 09347302
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
MSRP: $22.95Now: $21.34Was: $22.95Qty in Cart: 0Quantity:Price:MSRP: $22.95Now: $21.34Was: $22.95Subtotal: -
On Sale
VINTCO Engine Gasket Kit - Honda KEG009
VINTCO
MSRP: $44.95Now: $41.80Was: $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...09347303- SKU:
- 09347303
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
MSRP: $44.95Now: $41.80Was: $44.95 -
On Sale
VINTCO Engine Gasket Kit - Yamaha KEG040
VINTCO
MSRP: $24.95Now: $23.20Was: $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...09347304- SKU:
- 09347304
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
MSRP: $24.95Now: $23.20Was: $24.95Qty in Cart: 0Quantity:Price:MSRP: $24.95Now: $23.20Was: $24.95Subtotal: -
On Sale
VINTCO Engine Gasket Kit - Honda KEG026
VINTCO
MSRP: $24.95Now: $23.20Was: $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...09347305- SKU:
- 09347305
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
MSRP: $24.95Now: $23.20Was: $24.95 -
On Sale
VINTCO Engine Gasket Kit - Kawasaki KEG021
VINTCO
MSRP: $39.95Now: $37.15Was: $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...09347306- SKU:
- 09347306
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $39.95Now: $37.15Was: $39.95 -
On Sale
VINTCO Engine Gasket Kit - Kawasaki KEG015
VINTCO
MSRP: $52.95Now: $49.24Was: $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...09347307- SKU:
- 09347307
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
MSRP: $52.95Now: $49.24Was: $52.95 -
On Sale
VINTCO Engine Gasket Kit - Kawasaki KEG017
VINTCO
MSRP: $41.95Now: $39.01Was: $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...09347308- SKU:
- 09347308
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
MSRP: $41.95Now: $39.01Was: $41.95 -
On Sale
VINTCO Engine Gasket Kit - Suzuki KEG053
VINTCO
MSRP: $34.95Now: $32.50Was: $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...09347309- SKU:
- 09347309
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
MSRP: $34.95Now: $32.50Was: $34.95Qty in Cart: 0Quantity:Price:MSRP: $34.95Now: $32.50Was: $34.95Subtotal: -
On Sale
VINTCO Engine Gasket Kit - Suzuki KEG064
VINTCO
MSRP: $49.95Now: $46.45Was: $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...09347310- SKU:
- 09347310
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
MSRP: $49.95Now: $46.45Was: $49.95 -
On Sale
VINTCO Engine Gasket Kit - Honda KEG005
VINTCO
MSRP: $59.95Now: $55.75Was: $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...09347311- SKU:
- 09347311
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
MSRP: $59.95Now: $55.75Was: $59.95 -
On Sale
VINTCO Engine Gasket Kit - Suzuki KEG054
VINTCO
MSRP: $39.95Now: $37.15Was: $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...09347313- SKU:
- 09347313
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
MSRP: $39.95Now: $37.15Was: $39.95
