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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On Sale
VINTCO Top End Gasket Kit - Maico KTE062
VINTCO
MSRP: $47.95Now: $44.59Was: $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...09347253- SKU:
- 09347253
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $47.95Now: $44.59Was: $47.95 -
On Sale
VINTCO Top End Gasket Kit - Yamaha KTE064
VINTCO
MSRP: $28.95Now: $26.92Was: $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...09347254- SKU:
- 09347254
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
MSRP: $28.95Now: $26.92Was: $28.95 -
On Sale
VINTCO Top End Gasket Kit - Kawasaki KTE017
VINTCO
MSRP: $51.95Now: $48.31Was: $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,...09347255- SKU:
- 09347255
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $51.95Now: $48.31Was: $51.95 -
On Sale
VINTCO Top End Gasket Kit - Maico KTE061
VINTCO
MSRP: $46.95Now: $43.66Was: $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...09347256- SKU:
- 09347256
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
MSRP: $46.95Now: $43.66Was: $46.95 -
On Sale
VINTCO Top End Gasket Kit - Suzuki KTE025
VINTCO
MSRP: $56.95Now: $52.96Was: $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...09347257- SKU:
- 09347257
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $56.95Now: $52.96Was: $56.95 -
On Sale
VINTCO Top End Gasket Kit - Suzuki KTE026
VINTCO
MSRP: $39.95Now: $37.15Was: $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...09347258- SKU:
- 09347258
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
MSRP: $39.95Now: $37.15Was: $39.95 -
On Sale
VINTCO Top End Gasket Kit - Suzuki KTE027
VINTCO
MSRP: $42.95Now: $39.94Was: $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...09347259- SKU:
- 09347259
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $42.95Now: $39.94Was: $42.95 -
On Sale
VINTCO Top End Gasket Kit - Yamaha KTE045
VINTCO
MSRP: $59.95Now: $55.75Was: $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...09347260- SKU:
- 09347260
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $59.95Now: $55.75Was: $59.95 -
On Sale
VINTCO Top End Gasket Kit - Husqvarna KTE053
VINTCO
MSRP: $24.95Now: $23.20Was: $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...09347261- SKU:
- 09347261
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
MSRP: $24.95Now: $23.20Was: $24.95 -
On Sale
VINTCO Top End Gasket Kit - Maico KTE057
VINTCO
MSRP: $61.95Now: $57.61Was: $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...09347262- SKU:
- 09347262
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $61.95Now: $57.61Was: $61.95 -
On Sale
VINTCO Top End Gasket Kit - Kawasaki KTE015
VINTCO
MSRP: $38.95Now: $36.22Was: $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...09347263- SKU:
- 09347263
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $38.95Now: $36.22Was: $38.95 -
On Sale
VINTCO Top End Gasket Kit - Kawasaki KTE018
VINTCO
MSRP: $44.95Now: $41.80Was: $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...09347264- SKU:
- 09347264
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
MSRP: $44.95Now: $41.80Was: $44.95Qty in Cart: 0Quantity:Price:MSRP: $44.95Now: $41.80Was: $44.95Subtotal: -
On Sale
VINTCO Top End Gasket Kit - Kawasaki KTE054
VINTCO
MSRP: $31.95Now: $29.71Was: $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...09347265- SKU:
- 09347265
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $31.95Now: $29.71Was: $31.95 -
On Sale
VINTCO Top End Gasket Kit - Honda KTE049
VINTCO
MSRP: $40.95Now: $38.08Was: $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...09347266- SKU:
- 09347266
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $40.95Now: $38.08Was: $40.95Qty in Cart: 0Quantity:Price:MSRP: $40.95Now: $38.08Was: $40.95Subtotal: -
On Sale
VINTCO Top End Gasket Kit - Kawasaki KTE014
VINTCO
MSRP: $29.95Now: $27.85Was: $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...09347267- SKU:
- 09347267
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $29.95Now: $27.85Was: $29.95Qty in Cart: 0Quantity:Price:MSRP: $29.95Now: $27.85Was: $29.95Subtotal: -
On Sale
VINTCO Top End Gasket Kit - Suzuki KTE028
VINTCO
MSRP: $47.95Now: $44.59Was: $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...09347268- SKU:
- 09347268
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $47.95Now: $44.59Was: $47.95 -
On Sale
VINTCO Top End Gasket Kit - Yamaha KTE040
VINTCO
MSRP: $84.95Now: $79.00Was: $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...09347269- SKU:
- 09347269
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
MSRP: $84.95Now: $79.00Was: $84.95 -
On Sale
VINTCO Top End Gasket Kit - Yamaha KTE041
VINTCO
MSRP: $72.95Now: $67.84Was: $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...09347270- SKU:
- 09347270
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $72.95Now: $67.84Was: $72.95 -
On Sale
VINTCO Top End Gasket Kit - Honda KTE066
VINTCO
MSRP: $22.95Now: $21.34Was: $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...09347271- SKU:
- 09347271
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $22.95Now: $21.34Was: $22.95Qty in Cart: 0Quantity:Price:MSRP: $22.95Now: $21.34Was: $22.95Subtotal: -
On Sale
VINTCO Top End Gasket Kit - Honda KTE050
VINTCO
MSRP: $47.95Now: $44.59Was: $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...09347272- SKU:
- 09347272
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $47.95Now: $44.59Was: $47.95
