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
$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 performance09347336- SKU:
- 09347336
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
$42.95 -
VINTCO Engine Gasket Kit - Suzuki KEG074
VINTCO
$24.95Engine Gasket Kit - KEG074 Complete set of gaskets for the lower engine assembly. Manufactured from high-quality, modern materials. Ensures superior fitment and performance compared to OEM standards. Designed specifically for Suzuki...09347337- SKU:
- 09347337
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$24.95 -
VINTCO Engine Gasket Kit - Suzuki KEG073
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 performance09347338- SKU:
- 09347338
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
$44.95 -
VINTCO Engine Gasket Kit - Suzuki KEG076
VINTCO
$17.95Engine 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 performance09347339- SKU:
- 09347339
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$17.95 -
VINTCO Engine Gasket Kit - Suzuki KEG077
VINTCO
$22.95Engine Gasket Kit - KEG077 Complete set of gaskets for Suzuki engines Includes all essential gaskets for lower engine assembly Manufactured from high-quality modern materials Ensures an OEM fit and performance Designed for durability...09347340- SKU:
- 09347340
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$22.95 -
VINTCO Engine Gasket Kit - Suzuki KEG078
VINTCO
$27.95Engine Gasket Kit - Suzuki KEG078 Complete kit with all essential gaskets for lower engine assembly. Manufactured from high-quality, modern materials for superior durability. Designed to provide an OEM fit and performance standard. Easy...09347341- SKU:
- 09347341
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$27.95 -
VINTCO Engine Gasket Kit - Suzuki KEG079
VINTCO
$52.95Engine 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 performance09347342- SKU:
- 09347342
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$52.95 -
VINTCO Engine Gasket Kit - Yamaha KEG030
VINTCO
$28.95Engine 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 performance09347343- SKU:
- 09347343
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$28.95 -
VINTCO Engine Gasket Kit - Yamaha KEG031
VINTCO
$29.95Engine Gasket Kit - KEG031 Complete set of gaskets for Yamaha engines Includes all essential gaskets for lower engine assembly Manufactured from high-quality, modern materials Designed for superior fitment and performance Ensures...09347344- SKU:
- 09347344
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
$29.95 -
VINTCO Engine Gasket Kit - Yamaha KEG037
VINTCO
$31.95Engine Gasket Kit - KEG037 Comprehensive kit including all essential gaskets for the lower engine assembly. Manufactured from high-quality, modern materials for superior durability. Designed to provide an OEM fit and performance, ensuring...09347345- SKU:
- 09347345
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
$31.95 -
VINTCO Engine Gasket Kit - Yamaha KEG039
VINTCO
$33.95Engine 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 performance09347346- SKU:
- 09347346
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
$33.95 -
VINTCO Engine Gasket Kit - Yamaha KEG044
VINTCO
$33.95Engine 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 performance09347347- SKU:
- 09347347
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$33.95 -
VINTCO Engine Gasket Kit - Yamaha KEG045
VINTCO
$31.95Engine Gasket Kit - KEG045 Complete set of gaskets for the lower engine assembly Manufactured from high-quality, modern materials Designed for optimal fit and performance, surpassing OEM standards Easy installation with precise...09347348- SKU:
- 09347348
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$31.95 -
VINTCO Oil Seal Kit - Honda KOS005
VINTCO
$52.95Oil Seal Kit - Honda Complete your engine rebuild with the necessary oil seals and o-rings for the engine*s lower end, Most applications include both crankshaft main seals, kick starter seals, shift shaft seals, clutch release shaft seals and necessary...09347349- SKU:
- 09347349
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
$52.95 -
VINTCO Oil Seal Kit - Honda KOS001
VINTCO
$36.95Oil Seal Kit - Honda Complete your engine rebuild with the necessary oil seals and o-rings for the engine*s lower end, Most applications include both crankshaft main seals, kick starter seals, shift shaft seals, clutch release shaft seals and necessary...09347350- SKU:
- 09347350
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
$36.95 -
VINTCO Oil Seal Kit - Honda KOS006
VINTCO
$45.95Oil Seal Kit - Honda Complete your engine rebuild with the necessary oil seals and o-rings for the engine*s lower end, Most applications include both crankshaft main seals, kick starter seals, shift shaft seals, clutch release shaft seals and necessary...09347351- SKU:
- 09347351
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
$45.95 -
VINTCO Oil Seal Kit - Kawasaki KOS016
VINTCO
$42.95Oil Seal Kit - Kawasaki Complete your engine rebuild with the necessary oil seals and o-rings for the engine*s lower end, Most applications include both crankshaft main seals, kick starter seals, shift shaft seals, clutch release shaft seals and...09347352- SKU:
- 09347352
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
$42.95 -
VINTCO Oil Seal Kit - Kawasaki KOS012
VINTCO
$42.95Oil Seal Kit - Kawasaki Complete your engine rebuild with the necessary oil seals and o-rings for the engine*s lower end, Most applications include both crankshaft main seals, kick starter seals, shift shaft seals, clutch release shaft seals and...09347353- SKU:
- 09347353
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$42.95 -
VINTCO Oil Seal Kit - Honda KOS002
VINTCO
$27.95Oil Seal Kit - Honda Complete your engine rebuild with the necessary oil seals and o-rings for the engine*s lower end, Most applications include both crankshaft main seals, kick starter seals, shift shaft seals, clutch release shaft seals and necessary...09347354- SKU:
- 09347354
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$27.95 -
VINTCO Oil Seal Kit - Kawasaki KOS014
VINTCO
$42.95Oil Seal Kit - Kawasaki Complete your engine rebuild with the necessary oil seals and o-rings for the engine*s lower end, Most applications include both crankshaft main seals, kick starter seals, shift shaft seals, clutch release shaft seals and...09347355- SKU:
- 09347355
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
$42.95
