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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VINTCO Engine Gasket Kit - Honda KEG003
VINTCO
$49.95Engine Gasket Kit - KEG003 Comprehensive kit includes all essential gaskets for lower engine assembly. Manufactured from advanced materials for superior durability and performance. Designed to meet or exceed OEM specifications for a precise...09347293- SKU:
- 09347293
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$49.95 -
VINTCO Engine Gasket Kit - Honda KEG004
VINTCO
$49.95Engine Gasket Kit - Honda Includes all critical gaskets required for the lower portion of the engine, Gaskets are manufactured from modern materials to ensure as good or better than OEM fitment and performance09347294- SKU:
- 09347294
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$49.95 -
VINTCO Engine Gasket Kit - Kawasaki KEG020
VINTCO
$44.95Engine Gasket Kit - Kawasaki KEG020 Comprehensive kit includes all essential gaskets for lower engine assembly. Engineered from high-quality, modern materials for durability and reliability. Designed to provide a precise fit, ensuring...09347295- SKU:
- 09347295
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$44.95 -
VINTCO Engine Gasket Kit - Yamaha KEG041
VINTCO
$20.95Engine Gasket Kit - Yamaha Includes all critical gaskets required for the lower portion of the engine, Gaskets are manufactured from modern materials to ensure as good or better than OEM fitment and performance09347296- SKU:
- 09347296
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$20.95 -
VINTCO Engine Gasket Kit - Yamaha KEG042
VINTCO
$20.95Engine Gasket Kit - Yamaha KEG042 Complete set of gaskets for the lower engine assembly Engineered for optimal fit and performance, surpassing OEM standards Manufactured from high-quality, modern materials for durability Designed for...09347297- SKU:
- 09347297
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
$20.95 -
VINTCO Engine Gasket Kit - Honda KEG027
VINTCO
$33.95Engine Gasket Kit - Honda KEG027 Comprehensive kit includes all essential gaskets for lower engine assembly. Crafted from high-quality, modern materials for superior durability. Designed for a precise fit, ensuring optimal performance and...09347298- SKU:
- 09347298
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$33.95 -
VINTCO Engine Gasket Kit - Maico KEG023
VINTCO
$50.95Engine Gasket Kit - KEG023 Comprehensive kit includes all essential gaskets for the lower engine section. Manufactured from advanced materials for superior durability and reliability. Designed to provide a perfect fit, matching or exceeding...09347299- SKU:
- 09347299
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$50.95 -
VINTCO Engine Gasket Kit - Kawasaki KEG019
VINTCO
$39.95Engine Gasket Kit - Kawasaki Includes all critical gaskets required for the lower portion of the engine, Gaskets are manufactured from modern materials to ensure as good or better than OEM fitment and performance09347300- SKU:
- 09347300
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
$39.95 -
VINTCO Engine Gasket Kit - Suzuki KEG050
VINTCO
$42.95Engine Gasket Kit - Suzuki Includes all critical gaskets required for the lower portion of the engine, Gaskets are manufactured from modern materials to ensure as good or better than OEM fitment and performance09347301- SKU:
- 09347301
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$42.95 -
VINTCO Engine Gasket Kit - Yamaha KEG034
VINTCO
$20.95Engine Gasket Kit - Yamaha Includes all critical gaskets required for the lower portion of the engine, Gaskets are manufactured from modern materials to ensure as good or better than OEM fitment and performance09347302- SKU:
- 09347302
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$20.95Qty in Cart: 0Quantity:Price:$20.95Subtotal: -
VINTCO Engine Gasket Kit - Honda KEG009
VINTCO
$42.95Engine Gasket Kit - Honda Includes all critical gaskets required for the lower portion of the engine, Gaskets are manufactured from modern materials to ensure as good or better than OEM fitment and performance09347303- SKU:
- 09347303
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
$42.95 -
VINTCO Engine Gasket Kit - Yamaha KEG040
VINTCO
$21.95Engine Gasket Kit - Yamaha Includes all critical gaskets required for the lower portion of the engine, Gaskets are manufactured from modern materials to ensure as good or better than OEM fitment and performance09347304- SKU:
- 09347304
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$21.95 -
VINTCO Engine Gasket Kit - Honda KEG026
VINTCO
$26.95Engine Gasket Kit - Honda Includes all critical gaskets required for the lower portion of the engine, Gaskets are manufactured from modern materials to ensure as good or better than OEM fitment and performance09347305- SKU:
- 09347305
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
$26.95 -
VINTCO Engine Gasket Kit - Kawasaki KEG021
VINTCO
$36.95Engine Gasket Kit - Kawasaki KEG021 Comprehensive kit includes all essential gaskets for lower engine assembly. Manufactured from high-quality, modern materials for durability and reliability. Designed to provide an OEM-equivalent fit for...09347306- SKU:
- 09347306
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$36.95 -
VINTCO Engine Gasket Kit - Kawasaki KEG015
VINTCO
$49.95Engine Gasket Kit - Kawasaki KEG015 Comprehensive kit featuring all essential gaskets for the engine's lower section. Crafted from advanced materials for superior durability and reliability. Designed to provide an OEM-quality fit and...09347307- SKU:
- 09347307
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$49.95 -
VINTCO Engine Gasket Kit - Kawasaki KEG017
VINTCO
$44.95Engine Gasket Kit - Kawasaki KEG017 Complete set of gaskets for lower engine assembly. Engineered from high-quality, modern materials. Ensures optimal fitment and performance, matching or exceeding OEM standards. Durable construction for...09347308- SKU:
- 09347308
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$44.95 -
VINTCO Engine Gasket Kit - Suzuki KEG053
VINTCO
$31.95Engine Gasket Kit - KEG053 Complete set of gaskets for Suzuki engine's lower section. Manufactured from high-quality, modern materials. Ensures superior fitment and performance compared to OEM parts. Designed for durability and longevity...09347309- SKU:
- 09347309
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$31.95 -
VINTCO Engine Gasket Kit - Suzuki KEG064
VINTCO
$44.95Engine Gasket Kit - Suzuki Includes all critical gaskets required for the lower portion of the engine, Gaskets are manufactured from modern materials to ensure as good or better than OEM fitment and performance09347310- SKU:
- 09347310
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$44.95 -
VINTCO Engine Gasket Kit - Honda KEG005
VINTCO
$54.95Engine Gasket Kit - Honda KEG005 Complete kit containing all essential gaskets for lower engine assembly. Crafted from advanced materials for durability and long-lasting performance. Designed to meet or exceed OEM specifications for a...09347311- SKU:
- 09347311
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$54.95 -
VINTCO Engine Gasket Kit - Suzuki KEG054
VINTCO
$36.95Engine Gasket Kit - Suzuki KEG054 Comprehensive kit featuring all essential gaskets for the lower engine assembly. Crafted from high-quality materials to guarantee superior durability and performance. Engineered for a precise fit, ensuring...09347313- SKU:
- 09347313
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
$36.95
