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 - Honda KTE001
VINTCO
MSRP: $49.95Now: $46.45Was: $49.95A top end gasket kit is essential when rebuilding or refreshing your Honda's cylinder head—worn or degraded gaskets will compromise compression, cause oil seepage, and undermine engine reliability...09347231- SKU:
- 09347231
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
MSRP: $49.95Now: $46.45Was: $49.95 -
On Sale
VINTCO Top End Gasket Kit - Husqvarna KTE051
VINTCO
MSRP: $24.95Now: $23.20Was: $24.95A failed top end gasket can compromise combustion sealing and lead to oil leakage, coolant mixing, and catastrophic engine damage. The VINTCO KTE051 Top End Gasket Kit ensures reliable sealing with...09347232- SKU:
- 09347232
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $24.95Now: $23.20Was: $24.95Qty in Cart: 0Quantity:Price:MSRP: $24.95Now: $23.20Was: $24.95Subtotal: -
On Sale
VINTCO Top End Gasket Kit - Yamaha KTE035
VINTCO
MSRP: $51.95Now: $48.31Was: $51.95A top-end rebuild demands precision gaskets that seal consistently under load and thermal cycling. The VINTCO KTE035 kit eliminates sourcing individual gaskets from multiple suppliers, giving you a...09347234- SKU:
- 09347234
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
MSRP: $51.95Now: $48.31Was: $51.95Qty in Cart: 0Quantity:Price:MSRP: $51.95Now: $48.31Was: $51.95Subtotal: -
On Sale
VINTCO Top End Gasket Kit - Kawasaki KTE016
VINTCO
MSRP: $31.95Now: $29.71Was: $31.95A failing top end gasket compromises compression and invites oil leakage—both enemies of engine reliability and performance. The VINTCO KTE016 kit delivers OEM-equivalent sealing surfaces with...09347236- SKU:
- 09347236
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $31.95Now: $29.71Was: $31.95 -
On Sale
VINTCO Top End Gasket Kit - Suzuki KTE021
VINTCO
MSRP: $39.95Now: $37.15Was: $39.95A leaking or worn top end gasket kit compromises your Suzuki's compression, power delivery, and longevity. The VINTCO KTE021 delivers OEM-equivalent sealing performance without the OEM price tag,...09347237- SKU:
- 09347237
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $39.95Now: $37.15Was: $39.95 -
On Sale
VINTCO Top End Gasket Kit - Yamaha KTE046
VINTCO
MSRP: $51.95Now: $48.31Was: $51.95A failed top end gasket can compromise your entire engine's integrity, leading to coolant leaks, oil seepage, and catastrophic performance loss. The VINTCO KTE046 Top End Gasket Kit delivers...09347238- SKU:
- 09347238
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $51.95Now: $48.31Was: $51.95 -
On Sale
VINTCO Top End Gasket Kit - Honda KTE006
VINTCO
MSRP: $46.95Now: $43.66Was: $46.95A top-end gasket failure can compromise your entire engine build, leading to oil seepage, compression loss, and costly downtime. The VINTCO Top End Gasket Kit delivers OEM-equivalent or superior...09347239- SKU:
- 09347239
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
MSRP: $46.95Now: $43.66Was: $46.95 -
On Sale
VINTCO Top End Gasket Kit - Honda KTE007
VINTCO
MSRP: $54.95Now: $51.10Was: $54.95A top-end rebuild demands precision gasket fitment to maintain compression integrity and prevent oil seepage at critical junction points. The VINTCO KTE007 gasket kit eliminates the guesswork of...09347240- SKU:
- 09347240
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $54.95Now: $51.10Was: $54.95Qty in Cart: 0Quantity:Price:MSRP: $54.95Now: $51.10Was: $54.95Subtotal: -
On Sale
VINTCO Top End Gasket Kit - Honda KTE067
VINTCO
MSRP: $24.95Now: $23.20Was: $24.95A failing top-end gasket will bleed compression and leave you stranded—whether you're chasing lap times or just keeping your Honda reliable. The VINTCO KTE067 delivers a complete gasket set...09347241- SKU:
- 09347241
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $24.95Now: $23.20Was: $24.95Qty in Cart: 0Quantity:Price:MSRP: $24.95Now: $23.20Was: $24.95Subtotal: -
On Sale
VINTCO Top End Gasket Kit - Husqvarna KTE052
VINTCO
MSRP: $29.95Now: $27.85Was: $29.95A worn or degraded top end gasket set will compromise combustion sealing and cause coolant or oil leakage, directly impacting engine reliability and performance. The VINTCO KTE052 Top End Gasket Kit...09347242- SKU:
- 09347242
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $29.95Now: $27.85Was: $29.95 -
On Sale
VINTCO Top End Gasket Kit - Yamaha KTE029
VINTCO
MSRP: $44.95Now: $41.80Was: $44.95A failing top end gasket will compromise your engine's sealing integrity and lead to oil leakage, loss of compression, and eventual catastrophic failure. The VINTCO KTE029 provides OEM-specification...09347243- SKU:
- 09347243
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $44.95Now: $41.80Was: $44.95 -
On Sale
VINTCO Top End Gasket Kit - Yamaha KTE034
VINTCO
MSRP: $24.95Now: $23.20Was: $24.95A failed gasket seal compromises compression and invites oil leakage—both killers for engine reliability and performance. The VINTCO KTE034 delivers OEM-equivalent sealing integrity without the OEM...09347244- SKU:
- 09347244
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $24.95Now: $23.20Was: $24.95 -
On Sale
VINTCO Top End Gasket Kit - Yamaha KTE036
VINTCO
MSRP: $48.95Now: $45.52Was: $48.95A top end gasket failure will leave you stranded and drain your wallet fast. The VINTCO KTE036 kit delivers OEM-equivalent sealing integrity across all critical combustion chamber interfaces,...09347245- SKU:
- 09347245
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $48.95Now: $45.52Was: $48.95Qty in Cart: 0Quantity:Price:MSRP: $48.95Now: $45.52Was: $48.95Subtotal: -
On Sale
VINTCO Top End Gasket Kit - Honda KTE004
VINTCO
MSRP: $39.95Now: $37.15Was: $39.95A proper top-end gasket kit is non-negotiable when rebuilding or refreshing your Honda's cylinder head. Factory gaskets degrade over time, leading to compression loss, oil seepage, and potential...09347246- SKU:
- 09347246
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $39.95Now: $37.15Was: $39.95 -
On Sale
VINTCO Top End Gasket Kit - Suzuki KTE019
VINTCO
MSRP: $27.95Now: $25.99Was: $27.95A leaking or deteriorated top end gasket kit compromises compression, causes oil seepage, and forces you into costly engine repairs down the line. The VINTCO KTE019 delivers a complete gasket...09347247- SKU:
- 09347247
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $27.95Now: $25.99Was: $27.95Qty in Cart: 0Quantity:Price:MSRP: $27.95Now: $25.99Was: $27.95Subtotal: -
On Sale
VINTCO Top End Gasket Kit - Yamaha KTE030
VINTCO
MSRP: $44.95Now: $41.80Was: $44.95A top end rebuild demands precision—gasket failure under boost or high RPM can compromise seal integrity and cost you valuable track time. The VINTCO KTE030 delivers OEM-spec gasket materials...09347248- SKU:
- 09347248
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $44.95Now: $41.80Was: $44.95 -
On Sale
VINTCO Top End Gasket Kit - Yamaha KTE039
VINTCO
MSRP: $67.95Now: $63.19Was: $67.95A top end rebuild demands precision gaskets that seal under extreme pressure and temperature cycles—factory gaskets deteriorate over time, leading to compression loss and oil seepage that compromise...09347249- SKU:
- 09347249
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $67.95Now: $63.19Was: $67.95 -
On Sale
VINTCO Top End Gasket Kit - Yamaha KTE031
VINTCO
MSRP: $47.95Now: $44.59Was: $47.95A worn or compromised top-end gasket kit can lead to compression loss, oil leakage, and catastrophic engine failure—especially under racing conditions or high-boost applications. The VINTCO KTE031...09347250- SKU:
- 09347250
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $47.95Now: $44.59Was: $47.95 -
On Sale
VINTCO Top End Gasket Kit - Honda KTE065
VINTCO
MSRP: $29.95Now: $27.85Was: $29.95A top-end rebuild demands gaskets that match or exceed OEM specifications—and that's exactly what this VINTCO kit delivers. Whether you're freshening a tired engine or optimizing a performance build,...09347251- SKU:
- 09347251
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $29.95Now: $27.85Was: $29.95 -
On Sale
VINTCO Top End Gasket Kit - Maico KTE059
VINTCO
MSRP: $36.95Now: $34.36Was: $36.95A degraded top end gasket kit can lead to compression loss, oil seepage, and catastrophic engine failure—especially in high-demand racing applications. The VINTCO KTE059 ensures a complete,...09347252- SKU:
- 09347252
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
MSRP: $36.95Now: $34.36Was: $36.95
