ATV/UTV Gaskets and Kits
ATV/UTV Gaskets & Kits at JJ Motorsports
Rebuild your ATV/UTV engine leak-free with premium gasket kits from JJ Motorsports, featuring complete motor sets, top-end kits, and oil seals for reliable sealing on Honda TRX400EX, Suzuki FL250, and more. These high-quality kits ensure perfect fit and long-lasting performance in off-road and racing conditions.
Shop Moose Racing, Vesrah, and Cometic gasket kits for race-proven durability. Explore related categories such as ATV/UTV engine for pistons and cylinders, or ATV/UTV for cams and exhaust to complete your engine rebuild and ride with total confidence across all conditions, from high-speed dunes to technical trails.
Top ATV/UTV Gaskets & Kits
- Moose Racing Motor Gasket Kit with Seal TRX400EX 811829 – Complete motor gasket set with seals; fits Honda TRX400EX for full engine rebuilds.
- Vesrah Complete Gasket Kit FL-250 VG-1029 – Full engine gasket kit for Suzuki FL250 Odyssey; OEM-quality for vintage 2-stroke rebuilds.
- Cometic Top End Gasket Set Honda C3475-EST – MLS head and base gaskets; high-performance top-end kit for Honda sport quads.
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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RICK'S MOTORSPORT ELECTRIC Stator Cover Gasket - Polaris 25-500
RICK'S MOTORSPORT ELECTRIC
$29.95A compromised stator cover gasket leads to oil leaks, contamination, and potential electrical damage on your Polaris machine. This OEM-replacement gasket restores a reliable seal without modification, keeping your ignition system protected and your...09347753- SKU:
- 09347753
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
$29.95 -
On Sale
PROX Top End Gasket Set - Yamaha 35.2718
PROX
MSRP: $120.95Now: $98.00Was: $120.95A compromised top-end gasket set is one of the quickest ways to lose compression, leak oil, and watch your rebuild efforts go to waste. The PROX 35.2718 gasket set for Yamaha engines delivers factory-spec sealing integrity without the factory price tag,...09347766- SKU:
- 09347766
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $120.95Now: $98.00Was: $120.95 -
MOOSE RACING Gasket Float Bowl - Yamaha 46-5080
MOOSE RACING
$13.08A worn or damaged float bowl gasket compromises fuel delivery precision and risks carburetor leaks that can degrade engine performance. The MOOSE Racing Gasket Float Bowl is an OEM-equivalent replacement engineered to restore proper fuel system integrity...09347818- SKU:
- 09347818
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$13.08 -
MOOSE RACING Gasket Float Bowl - Polaris/Yamaha 46-5077
MOOSE RACING
$13.08A compromised float bowl gasket leads to fuel leaks, carb flooding, and unpredictable jetting issues that'll cost you consistency on the track or trail. This direct OEM replacement from MOOSE Racing restores proper fuel containment and sealing integrity...09347819- SKU:
- 09347819
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$13.08 -
MOOSE RACING Gasket Float Bowl - Suzuki 46-5072
MOOSE RACING
$13.08A worn or damaged float bowl gasket compromises fuel delivery precision and can lead to carburetor leaks, fouled plugs, and unreliable jetting across your powerband. This direct OEM replacement from MOOSE Racing restores factory sealing integrity without...09347820- SKU:
- 09347820
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$13.08 -
On Sale
COMETIC Bottom End Gasket Kit - Honda C3139BE
COMETIC
MSRP: $113.95Now: $102.56Was: $113.95A complete bottom end gasket kit is non-negotiable for any engine rebuild—missed seals lead to oil leaks, contamination, and catastrophic failure. The Cometic C3139BE delivers comprehensive coverage with every gasket, seal, and washer you need in one...09347868- SKU:
- 09347868
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
MSRP: $113.95Now: $102.56Was: $113.95 -
On Sale
COMETIC Top End Gasket Kit - 98 mm - Honda C3141-EST
COMETIC
MSRP: $99.95Now: $89.96Was: $99.95A failing top end gasket compromises compression, causes coolant seepage, and tanks performance—especially in high-output naturally aspirated or forced-induction engines. Cometic's EST gasket kit uses multi-layered steel construction with Viton rubber...09347869- SKU:
- 09347869
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $99.95Now: $89.96Was: $99.95 -
On Sale
COMETIC Water Pump Repair Kit - Yamaha C7908WP
COMETIC
MSRP: $47.95Now: $43.16Was: $47.95Water pump failure compromises your engine's cooling system, risking catastrophic overheating and internal damage. This Cometic repair kit supplies all the precision seals, O-rings, and bearings needed to restore your water pump to factory specifications...09347877- SKU:
- 09347877
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
MSRP: $47.95Now: $43.16Was: $47.95 -
On Sale
COMETIC Top End Gasket Kit - 95 mm - Polaris C3039
COMETIC
MSRP: $158.95Now: $143.06Was: $158.95A failing top-end gasket will compromise your engine's combustion seal and cost you power—or worse, strand you trackside. This Cometic gasket kit delivers the precision sealing your high-performance engine demands, whether you're running naturally...09347878- SKU:
- 09347878
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
MSRP: $158.95Now: $143.06Was: $158.95 -
On Sale
COMETIC Top End Gasket Kit - Honda C3112
COMETIC
MSRP: $108.95Now: $98.06Was: $108.95A failed top end gasket can sideline your engine and compromise months of tuning work. The COMETIC C3112 Top End Gasket Kit delivers the sealing integrity and heat management needed to maintain peak performance across naturally aspirated and...09347879- SKU:
- 09347879
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
MSRP: $108.95Now: $98.06Was: $108.95 -
On Sale
COMETIC Bottom End Gasket Kit - Honda C3112BE
COMETIC
MSRP: $126.95Now: $114.26Was: $126.95A complete bottom end overhaul demands precision-engineered gaskets and seals that prevent oil leakage, maintain proper compression, and ensure long-term engine reliability. The COMETIC C3112BE Bottom End Gasket Kit supplies all the critical sealing...09347880- SKU:
- 09347880
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
MSRP: $126.95Now: $114.26Was: $126.95 -
On Sale
COMETIC Top End Gasket Kit - 92 mm - Can-Am C3459-EST
COMETIC
MSRP: $189.95Now: $170.96Was: $189.95A failed top end gasket can sideline your engine and tank your performance gains. The COMETIC C3459-EST delivers the sealing reliability demanded by high-output 4-stroke engines—whether naturally aspirated or boosted—using multi-layered steel...09347881- SKU:
- 09347881
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
MSRP: $189.95Now: $170.96Was: $189.95 -
On Sale
COMETIC Top End Gasket Kit - 94 mm - Polaris C3546-EST
COMETIC
MSRP: $104.95Now: $94.46Was: $104.95A degraded or failing top end gasket compromises cylinder pressure, reduces power output, and risks catastrophic engine damage. The COMETIC C3546-EST delivers the sealing integrity your high-output 4-stroke demands, whether naturally aspirated or boosted...09347882- SKU:
- 09347882
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
MSRP: $104.95Now: $94.46Was: $104.95 -
On Sale
COMETIC Top End Gasket Kit - 82.5 mm - Yamaha C3617
COMETIC
MSRP: $122.95Now: $110.66Was: $122.95A failing head gasket can cost you race time and engine damage. The COMETIC Top End Gasket Kit delivers the sealing reliability you need for high-horsepower, high-boost applications—whether you're running naturally aspirated or forced induction. With...09347883- SKU:
- 09347883
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
MSRP: $122.95Now: $110.66Was: $122.95 -
On Sale
COMETIC Top End Gasket Kit - 104 mm - Yamaha C3143-EST
COMETIC
MSRP: $109.95Now: $98.96Was: $109.95A failing head gasket doesn't just leak—it compromises combustion seal integrity, reduces ring tension, and kills horsepower. The COMETIC EST Top End Gasket Kit is engineered to handle the cylinder pressures of modern high-output 4-stroke engines,...09347870- SKU:
- 09347870
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
MSRP: $109.95Now: $98.96Was: $109.95 -
On Sale
COMETIC Top End Gasket Kit - 101 mm - Honda C3156-EST
COMETIC
MSRP: $99.95Now: $89.96Was: $99.95A failing top-end gasket kit costs you power, reliability, and race-day credibility. The COMETIC C3156-EST delivers the sealing integrity and thermal management your high-output Honda engine demands, whether you're running naturally aspirated or boosted...09347871- SKU:
- 09347871
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
MSRP: $99.95Now: $89.96Was: $99.95 -
On Sale
COMETIC Bottom End Gasket Kit with Oil Seals - Yamaha C7908BE
COMETIC
MSRP: $92.95Now: $83.66Was: $92.95A complete bottom-end rebuild demands precision-engineered gaskets and seals that maintain cylinder pressure and prevent oil leakage under extreme conditions. The COMETIC C7908BE kit supplies all necessary components—gaskets, oil seals, O-rings, and...09347874- SKU:
- 09347874
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
MSRP: $92.95Now: $83.66Was: $92.95 -
On Sale
COMETIC Complete Gasket Kit - Polaris C3826
COMETIC
MSRP: $424.95Now: $382.46Was: $424.95Engine reliability under extreme pressure demands a complete gasket solution—not piecemeal replacements that leave weak points in your seal strategy. The COMETIC Complete Gasket Kit ensures every critical sealing surface, from head gaskets to oil seals,...09347821- SKU:
- 09347821
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
MSRP: $424.95Now: $382.46Was: $424.95 -
On Sale
COMETIC Clutch/Ignition Gasket Kit - Yamaha C7908CM
COMETIC
MSRP: $25.95Now: $23.36Was: $25.95Factory gaskets deteriorate with heat cycles and age, leading to oil seepage and potential engine damage if left unaddressed. The COMETIC Clutch/Ignition Gasket Kit delivers OEM-equivalent sealing performance with superior material composition, ensuring...09347875- SKU:
- 09347875
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
MSRP: $25.95Now: $23.36Was: $25.95 -
WINDEROSA Standard Bore Gasket Kit 810585
WINDEROSA
$58.62When your cylinder is worn or damaged, you need a direct replacement that restores OEM performance without the downtime of custom machine work. The WINDEROSA Standard Bore Gasket Kit delivers a complete bolt-on cylinder assembly with matched...09341940- SKU:
- 09341940
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STYLE:
- STANDARD
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET KIT
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- MATERIAL:
- NICKEL SILICON CARBIDE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$58.62
