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 RACING Complete Motor Gasket Kit - XR650L 808281
MOOSE RACING
$121.92A complete engine and transmission rebuild demands precision gaskets and seals that won't compromise your work. The Moose Racing Complete Motor Gasket Kit eliminates the frustration of sourcing...M808281- SKU:
- M808281
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- TYPE:
- ENGINE
$121.92 -
MOOSE RACING Clutch Cover Gasket 817417
MOOSE RACING
$13.81A leaking clutch cover gasket compromises engine integrity and creates messy cleanup jobs that cut into your track time. The MOOSE RACING Clutch Cover Gasket delivers OEM-equivalent sealing...09346572- SKU:
- 09346572
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- GASKET
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH COVER
$13.81Qty in Cart: 0Quantity:Price:$13.81Subtotal: -
MOOSE RACING Ignition Cover Gasket 817416
MOOSE RACING
$14.09A leaking ignition cover gasket compromises engine sealing and can lead to oil seepage that fouls electrical connections and accelerates wear on surrounding components. The MOOSE RACING Ignition...09346573- SKU:
- 09346573
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- GASKET
- TYPE:
- IGNITION COVER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$14.09Qty in Cart: 0Quantity:Price:$14.09Subtotal: -
MOOSE RACING Inner Clutch Cover Gasket 816765
MOOSE RACING
$6.89A leaking clutch cover gasket compromises engine sealing and risks oil contamination of your clutch system—precision matters here. MOOSE Racing's inner clutch cover gasket delivers OEM-quality...09346574- SKU:
- 09346574
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET
- UNITS:
- EACH
- MOUNTING POSITION:
- INNER
- TYPE:
- CLUTCH COVER
$6.89Qty in Cart: 0Quantity:Price:$6.89Subtotal: -
MOOSE RACING Complete Motor Gasket Kit - XR400 808265
MOOSE RACING
$87.31A complete engine and transmission rebuild demands precision gaskets and seals that won't compromise your XR400's reliability. This kit eliminates the guesswork of sourcing individual components,...M808265- SKU:
- M808265
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- TYPE:
- ENGINE
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
$87.31Qty in Cart: 0Quantity:Price:$87.31Subtotal: -
On Sale
VESRAH Complete Gasket Kit - XL 250 VG-142
VESRAH
MSRP: $58.95Now: $56.00Was: $58.95A complete gasket kit is non-negotiable for any engine rebuild—mismatched or worn seals will compromise compression, leak oil, and undermine all your other restoration work. The VESRAH VG-142...VG142- SKU:
- VG142
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
- TYPE:
- COMPLETE
- UNITS:
- SET
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
MSRP: $58.95Now: $56.00Was: $58.95 -
On Sale
VESRAH Complete Gasket Kit - PW80 VG-2022
VESRAH
MSRP: $22.95Now: $21.80Was: $22.95A complete engine rebuild demands precision and reliability at every seal and gasket interface. The VESRAH Complete Gasket Kit ensures your PW80 engine achieves proper compression, prevents fluid...VG2022- SKU:
- VG2022
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- SET
- PRODUCT NAME:
- GASKET
MSRP: $22.95Now: $21.80Was: $22.95Qty in Cart: 0Quantity:Price:MSRP: $22.95Now: $21.80Was: $22.95Subtotal: -
On Sale
VESRAH Complete Gasket Kit - DT/GT/MX80 VG-248
VESRAH
MSRP: $23.06Now: $21.91Was: $23.06A complete engine rebuild demands precision sealing at every critical junction—and that's exactly what the VESRAH VG-248 delivers. This comprehensive gasket kit eliminates the risk of sourcing...VG248- SKU:
- VG248
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TYPE:
- COMPLETE
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- SET
MSRP: $23.06Now: $21.91Was: $23.06Qty in Cart: 0Quantity:Price:MSRP: $23.06Now: $21.91Was: $23.06Subtotal: -
MOOSE RACING Water Pump Rebuild Kit 821407
MOOSE RACING
$45.89A failing water pump can quickly become a catastrophic engine failure, leaving you stranded and facing costly repairs. This MOOSE RACING rebuild kit gives you everything needed to restore your water...09345213- SKU:
- 09345213
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
$45.89 -
On Sale
VESRAH Top End Gasket Kit - XL/R 75/80 VG-5034
VESRAH
MSRP: $45.05Now: $42.80Was: $45.05A worn or degraded gasket set compromises engine sealing, leading to oil leaks, coolant loss, and performance degradation. The VESRAH VG-5034 Top End Gasket Kit provides OEM-grade sealing components...VG5034- SKU:
- VG5034
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $45.05Now: $42.80Was: $45.05Qty in Cart: 0Quantity:Price:MSRP: $45.05Now: $42.80Was: $45.05Subtotal: -
On Sale
VESRAH Top End Gasket Kit - XL/XR 600R VG-5081-M
VESRAH
MSRP: $149.73Now: $142.24Was: $149.73A top-end engine rebuild demands precision sealing—any gap or failed gasket will compromise compression, leak oil, and tank performance. The VESRAH VG-5081-M delivers a complete gasket solution...VG5081- SKU:
- VG5081
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- SET
- PRODUCT NAME:
- GASKET
MSRP: $149.73Now: $142.24Was: $149.73Qty in Cart: 0Quantity:Price:MSRP: $149.73Now: $142.24Was: $149.73Subtotal: -
On Sale
VESRAH Complete Gasket Kit - CR 125 VG-1020
VESRAH
MSRP: $52.75Now: $50.11Was: $52.75Engine gasket failure compromises compression, causes oil leaks, and forces costly rebuilds. The VESRAH VG-1020 Complete Gasket Kit delivers all critical sealing components in one comprehensive...VG1020- SKU:
- VG1020
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET
- TYPE:
- COMPLETE
- UNITS:
- SET
MSRP: $52.75Now: $50.11Was: $52.75Qty in Cart: 0Quantity:Price:MSRP: $52.75Now: $50.11Was: $52.75Subtotal: -
MOOSE RACING Inner Clutch Cover Gasket 816753
MOOSE RACING
$42.59A leaking clutch cover gasket compromises both performance and engine longevity—oil seepage leads to contamination and potential clutch slippage. The MOOSE RACING Inner Clutch Cover Gasket delivers...09346168- SKU:
- 09346168
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH COVER
- UNITS:
- EACH
- PRODUCT NAME:
- GASKET
$42.59Qty in Cart: 0Quantity:Price:$42.59Subtotal: -
MOOSE RACING Complete Motor Gasket Kit - XR250 808263
MOOSE RACING
$75.94A complete engine and transmission rebuild requires precision-fit gaskets and seals that won't compromise your engine's integrity or performance. The MOOSE RACING Complete Motor Gasket Kit eliminates...09340135- SKU:
- 09340135
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
- TYPE:
- ENGINE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
$75.94Qty in Cart: 0Quantity:Price:$75.94Subtotal: -
On Sale
VESRAH Complete Gasket Kit - KDX/KX 250 VG-453
VESRAH
MSRP: $48.73Now: $46.29Was: $48.73A complete engine rebuild demands precision gaskets that seal under extreme pressure and temperature cycling—compromising here invites oil leaks, compression loss, and premature failure. The VESRAH...VG453- SKU:
- VG453
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- SET
- PRODUCT NAME:
- GASKET
MSRP: $48.73Now: $46.29Was: $48.73Qty in Cart: 0Quantity:Price:MSRP: $48.73Now: $46.29Was: $48.73Subtotal: -
MOOSE RACING Top End Gasket - CRF230 810242
MOOSE RACING
$74.59A top-end rebuild demands precision gaskets and seals that won't fail under load—this Moose Racing set gives you OEM-quality components at a fraction of the cost. Whether you're replacing a worn...09340070- SKU:
- 09340070
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- GASKET
- TYPE:
- TOP END
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
$74.59 -
On Sale
VESRAH Top End Gasket Kit - DS/JR80 VG-7089
VESRAH
MSRP: $36.36Now: $34.54Was: $36.36A top-end rebuild demands precision gaskets and seals that won't compromise combustion integrity or leak under pressure. The VESRAH VG-7089 gives you OEM-equivalent quality components in one complete...VG7089M- SKU:
- VG7089M
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $36.36Now: $34.54Was: $36.36Qty in Cart: 0Quantity:Price:MSRP: $36.36Now: $34.54Was: $36.36Subtotal: -
On Sale
VESRAH Complete Gasket Kit - TS185 VG-351
VESRAH
MSRP: $27.32Now: $25.95Was: $27.32A complete engine rebuild demands precision—and missed gaskets or seals create costly leaks and performance loss. The VESRAH VG351 gasket kit consolidates every critical seal you need in one package,...VG351- SKU:
- VG351
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- SET
- TYPE:
- COMPLETE
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
MSRP: $27.32Now: $25.95Was: $27.32Qty in Cart: 0Quantity:Price:MSRP: $27.32Now: $25.95Was: $27.32Subtotal: -
On Sale
VESRAH Complete Gasket Kit - DS/TS 125 VG-355
VESRAH
MSRP: $44.14Now: $41.93Was: $44.14Engine gasket degradation is inevitable—heat cycles, pressure, and time break down seals and compromise compression. The VESRAH Complete Gasket Kit VG-355 eliminates guesswork by bundling every...VG355- SKU:
- VG355
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- SET
MSRP: $44.14Now: $41.93Was: $44.14Qty in Cart: 0Quantity:Price:MSRP: $44.14Now: $41.93Was: $44.14Subtotal: -
On Sale
VESRAH Complete Gasket Kit - ALT/JR/LT50 VG-392
VESRAH
MSRP: $27.84Now: $26.45Was: $27.84A complete gasket kit is essential when rebuilding your ALT/JR/LT50 engine—missing even one seal can compromise compression and allow oil leakage that degrades performance and reliability. The VESRAH...VG392- SKU:
- VG392
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- TYPE:
- COMPLETE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
MSRP: $27.84Now: $26.45Was: $27.84Qty in Cart: 0Quantity:Price:MSRP: $27.84Now: $26.45Was: $27.84Subtotal:
