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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MOOSE OFFROAD Exhaust Gasket Kit - KTM 823195MSE
MOOSE OFFROAD
$16.58Exhaust Gasket Kit - KTM KTM 4-stroke kit includes header gasket and replacement springs, 2-stroke kit includes O-rings, springs, washer and gasket (where applicable), 4-stroke kit contains header gasket09347191- SKU:
- 09347191
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$16.58 -
MOOSE OFFROAD Exhaust Gasket Kit - Beta 823205MSE
MOOSE OFFROAD
$2.98Exhaust Gasket Kit - Beta KTM 4-stroke kit includes header gasket and replacement springs, 2-stroke kit includes O-rings, springs, washer and gasket (where applicable), 4-stroke kit contains header gasket09347193- SKU:
- 09347193
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$2.98 -
VINTCO Top End Gasket Kit - Honda KTE010
VINTCO
$35.95Top End Gasket Kit - Honda KTE010 Engineered with advanced materials for superior durability and performance. Designed for a perfect fit, matching or exceeding OEM specifications. Comprehensive kit includes all essential gaskets for top end...09347223- SKU:
- 09347223
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$35.95 -
VINTCO Top End Gasket Kit - Suzuki KTE022
VINTCO
$30.95Top End Gasket Kit - Suzuki KTE022 High-quality gaskets designed specifically for Suzuki models Manufactured with modern materials for superior durability Ensures optimal fitment and performance, matching or exceeding OEM standards Comprehensive kit...09347224- SKU:
- 09347224
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$30.95Qty in Cart: 0Quantity:Price:$30.95Subtotal: -
VINTCO Top End Gasket Kit - Honda KTE008
VINTCO
$37.95Top End Gasket Kit - Honda Gaskets are made with modern materials and manufacturing techniques to ensure an as good or better than OEM fitment and performance, Top end gaskets kit have all of the critical gaskets you need to complete your top end build...09347225- SKU:
- 09347225
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$37.95 -
VINTCO Top End Gasket Kit - Suzuki KTE024
VINTCO
$30.95Top End Gasket Kit - Suzuki Gaskets are made with modern materials and manufacturing techniques to ensure an as good or better than OEM fitment and performance, Top end gaskets kit have all of the critical gaskets you need to complete your top end build...09347226- SKU:
- 09347226
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$30.95 -
VINTCO Top End Gasket Kit - Yamaha KTE042
VINTCO
$38.95Top End Gasket Kit - Yamaha KTE042 High-quality gaskets designed for Yamaha engines. Manufactured using modern materials for superior durability. Ensures an OEM fitment for optimal performance. Complete kit includes all essential gaskets...09347227- SKU:
- 09347227
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$38.95 -
VINTCO Top End Gasket Kit - Honda KTE068
VINTCO
$26.95Top End Gasket Kit - Honda Gaskets are made with modern materials and manufacturing techniques to ensure an as good or better than OEM fitment and performance, Top end gaskets kit have all of the critical gaskets you need to complete your top end build...09347228- SKU:
- 09347228
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$26.95Qty in Cart: 0Quantity:Price:$26.95Subtotal: -
VINTCO Top End Gasket Kit - Yamaha KTE043
VINTCO
$51.95Top End Gasket Kit - Yamaha Gaskets are made with modern materials and manufacturing techniques to ensure an as good or better than OEM fitment and performance, Top end gaskets kit have all of the critical gaskets you need to complete your top end build...09347229- SKU:
- 09347229
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$51.95 -
VINTCO Top End Gasket Kit - Suzuki KTE023
VINTCO
$22.95Top End Gasket Kit - Suzuki Gaskets are made with modern materials and manufacturing techniques to ensure an as good or better than OEM fitment and performance, Top end gaskets kit have all of the critical gaskets you need to complete your top end build...09347230- SKU:
- 09347230
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$22.95 -
VINTCO Top End Gasket Kit - Honda KTE001
VINTCO
$48.95Top End Gasket Kit - Honda KTE001 Engineered with advanced materials for superior durability Precision manufacturing ensures perfect OEM fit Comprehensive kit includes all essential gaskets for top end builds Designed for easy...09347231- SKU:
- 09347231
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$48.95 -
VINTCO Top End Gasket Kit - Husqvarna KTE051
VINTCO
$21.95Top End Gasket Kit - KTE051 High-quality gaskets designed for Husqvarna engines. Manufactured with advanced materials for durability and reliability. Ensures optimal fitment and performance, matching or exceeding OEM standards. Complete...09347232- SKU:
- 09347232
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$21.95 -
VINTCO Top End Gasket Kit - Yamaha KTE044
VINTCO
$89.95Top End Gasket Kit - Yamaha Gaskets are made with modern materials and manufacturing techniques to ensure an as good or better than OEM fitment and performance, Top end gaskets kit have all of the critical gaskets you need to complete your top end build...09347233- SKU:
- 09347233
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$89.95Qty in Cart: 0Quantity:Price:$89.95Subtotal: -
VINTCO Top End Gasket Kit - Yamaha KTE035
VINTCO
$49.95Top End Gasket Kit - Yamaha KTE035 High-quality gaskets designed for Yamaha engines Manufactured using modern materials for superior durability Ensures OEM fitment for reliable performance Comprehensive kit includes all essential gaskets...09347234- SKU:
- 09347234
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$49.95 -
VINTCO Top End Gasket Kit - Honda KTE009
VINTCO
$36.95Top End Gasket Kit - Honda Gaskets are made with modern materials and manufacturing techniques to ensure an as good or better than OEM fitment and performance, Top end gaskets kit have all of the critical gaskets you need to complete your top end build...09347235- SKU:
- 09347235
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$36.95Qty in Cart: 0Quantity:Price:$36.95Subtotal: -
VINTCO Top End Gasket Kit - Kawasaki KTE016
VINTCO
$29.95Top End Gasket Kit - Kawasaki KTE016 Precision-engineered for optimal fit and performance. Manufactured using advanced materials for durability. Includes all essential gaskets for a complete top end rebuild. Designed to meet or exceed...09347236- SKU:
- 09347236
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$29.95 -
VINTCO Top End Gasket Kit - Suzuki KTE021
VINTCO
$36.95Top End Gasket Kit - KTE021 Precision-engineered for a perfect fit on Suzuki models Manufactured using modern materials for enhanced durability Includes all essential gaskets for complete top end assembly Designed to deliver performance...09347237- SKU:
- 09347237
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$36.95 -
VINTCO Top End Gasket Kit - Yamaha KTE046
VINTCO
$49.95Top End Gasket Kit - Yamaha KTE046 Premium quality gaskets designed for Yamaha engines. Manufactured using advanced materials for durability and reliability. Ensures a precise fit, matching or exceeding OEM specifications. Includes all...09347238- SKU:
- 09347238
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$49.95 -
VINTCO Top End Gasket Kit - Honda KTE006
VINTCO
$44.95Top End Gasket Kit - Honda Gaskets are made with modern materials and manufacturing techniques to ensure an as good or better than OEM fitment and performance, Top end gaskets kit have all of the critical gaskets you need to complete your top end build...09347239- SKU:
- 09347239
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$44.95 -
VINTCO Top End Gasket Kit - Honda KTE007
VINTCO
$49.95Top End Gasket Kit - Honda Gaskets are made with modern materials and manufacturing techniques to ensure an as good or better than OEM fitment and performance, Top end gaskets kit have all of the critical gaskets you need to complete your top end build...09347240- SKU:
- 09347240
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$49.95
