Snowmobile Engine
Snowmobile Engine Parts & Components at JJ Motorsports
Revamp your snowmobile engine with premium parts from JJ Motorsports. Our inventory features complete gasket sets, top-end kits, pistons, and seals using high-tech materials for superior reliability and performance in extreme cold. Compatible with engines from Sachs, JLO, Hirth, and more, these components ensure leak-free operation, better compression, and longevity for Ski-Doo, Polaris, Arctic Cat, and Yamaha models during trail rides or racing.
Shop trusted brands like Winderosa for gasket sets and Maxima Racing Oils for lubricants. Explore related categories such as snowmobile air and fuel systems for tuning or snowmobile drivetrain for full powertrain upgrades.
Top Snowmobile Engine Products
- WINDEROSA Complete Gasket Set 711063 – High-tech materials for reliable sealing.
- WINDEROSA Complete Gasket Set 711063C – Enhanced for performance engines.
- WINDEROSA Complete Gasket Set 711063D – Durable for extreme conditions.
- WINDEROSA Complete Gasket Set 711109A – Comprehensive top-end rebuild kit.
- WINDEROSA Complete Gasket Set 711020 – Affordable and reliable option.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
On Sale
PROX Top End Gasket Kit - V-MAX 600 35.2694
PROX
MSRP: $59.95Now: $51.00Was: $59.95A top-end gasket kit is essential maintenance for any V-MAX 600 engine that's seen regular use or modifications. Worn gaskets lead to compression loss, oil seepage, and potential catastrophic engine damage—replacing them proactively preserves reliability...09346611- SKU:
- 09346611
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $59.95Now: $51.00Was: $59.95Qty in Cart: 0Quantity:Price:MSRP: $59.95Now: $51.00Was: $59.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Ski Doo 500 MXZ/LGD 35.5400
PROX
MSRP: $49.95Now: $42.00Was: $49.95A top-end gasket kit is essential maintenance for your Ski-Doo 500 MXZ/LGD, preventing coolant and oil leaks that can compromise engine performance and reliability. Over time, gaskets degrade from thermal cycling and pressure, making a quality...09346613- SKU:
- 09346613
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $49.95Now: $42.00Was: $49.95 -
On Sale
PROX Top End Gasket Kit - Ski Doo MXZ/GSX 35.5503
PROX
MSRP: $49.95Now: $42.00Was: $49.95A compromised top end gasket kit leads to coolant leaks, combustion blow-by, and catastrophic engine failure—especially in high-demand snowmobile applications where thermal cycling is relentless. The PROX Top End Gasket Kit for Ski-Doo MXZ/GSX engines...09346615- SKU:
- 09346615
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- UNITS:
- SET
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- RIDING STYLE:
- SNOW
MSRP: $49.95Now: $42.00Was: $49.95Qty in Cart: 0Quantity:Price:MSRP: $49.95Now: $42.00Was: $49.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Polaris Indy 488FC 35.5586
PROX
MSRP: $34.95Now: $30.00Was: $34.95A top-end gasket kit is essential for maintaining proper compression and preventing coolant or oil seepage in your engine. Whether you're rebuilding after a season of racing or performing routine maintenance, the PROX Top End Gasket Kit ensures reliable...09346616- SKU:
- 09346616
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- UNITS:
- SET
- PRODUCT NAME:
- GASKET SET
MSRP: $34.95Now: $30.00Was: $34.95Qty in Cart: 0Quantity:Price:MSRP: $34.95Now: $30.00Was: $34.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Polaris Indy 500LC 35.5587
PROX
MSRP: $64.95Now: $55.00Was: $64.95A top-end gasket kit is essential maintenance for keeping your Polaris Indy 500LC running at peak efficiency. Over time, gaskets degrade from heat cycles and pressure, leading to compression loss and potential coolant or oil seepage. This PROX kit...09346617- SKU:
- 09346617
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- UNITS:
- SET
- PRODUCT NAME:
- GASKET SET
MSRP: $64.95Now: $55.00Was: $64.95Qty in Cart: 0Quantity:Price:MSRP: $64.95Now: $55.00Was: $64.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Polaris 500 35.5588
PROX
MSRP: $49.95Now: $42.00Was: $49.95A worn or failed top end gasket kit compromises cylinder seal integrity, leading to compression loss, oil leakage, and potential engine damage. The PROX Top End Gasket Kit for Polaris 500 delivers OEM-equivalent sealing performance with...09346618- SKU:
- 09346618
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $49.95Now: $42.00Was: $49.95Qty in Cart: 0Quantity:Price:MSRP: $49.95Now: $42.00Was: $49.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Ski Doo 500 35.5595
PROX
MSRP: $29.95Now: $25.00Was: $29.95A top-end gasket kit is essential maintenance for any Ski-Doo 500 engine experiencing compression loss, coolant seepage, or oil leakage around the cylinder head. PROX gasket sets are engineered to OEM specifications, ensuring reliable sealing and...09346622- SKU:
- 09346622
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $29.95Now: $25.00Was: $29.95Qty in Cart: 0Quantity:Price:MSRP: $29.95Now: $25.00Was: $29.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Ski Doo 600 35.5600
PROX
MSRP: $59.95Now: $51.00Was: $59.95A top-end gasket kit is essential maintenance for any high-performance snowmobile engine—it's your first line of defense against compression loss, coolant seepage, and catastrophic engine failure. Whether you're running stock power or pushing forced...09346625- SKU:
- 09346625
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $59.95Now: $51.00Was: $59.95Qty in Cart: 0Quantity:Price:MSRP: $59.95Now: $51.00Was: $59.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Polaris 600 35.5604
PROX
MSRP: $74.95Now: $64.00Was: $74.95A failed top end gasket can compromise your Polaris 600's compression, allowing coolant and oil to leak where they shouldn't be. This PROX gasket kit restores a complete seal across your cylinder head, ensuring reliable performance whether you're pushing...09346629- SKU:
- 09346629
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- UNITS:
- SET
- RIDING STYLE:
- SNOW
MSRP: $74.95Now: $64.00Was: $74.95 -
On Sale
PROX Top End Gasket Kit - Ski Doo 600 HO ETEC 35.5613
PROX
MSRP: $64.95Now: $55.00Was: $64.95A top-end gasket kit is essential maintenance for any Ski-Doo 600 HO ETEC engine running at peak performance. Over time, thermal cycling and combustion pressures degrade factory gaskets, leading to compression loss, oil seepage, and potential...09346631- SKU:
- 09346631
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- UNITS:
- SET
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
MSRP: $64.95Now: $55.00Was: $64.95Qty in Cart: 0Quantity:Price:MSRP: $64.95Now: $55.00Was: $64.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Arctic Cat EXT/ZRT 600 35.5696
PROX
MSRP: $74.95Now: $64.00Was: $74.95A top-end gasket failure can compromise your engine's reliability and performance, leading to costly downtime. The PROX Top End Gasket Kit for Arctic Cat EXT/ZRT 600 delivers OEM-equivalent sealing with precision-engineered gaskets designed to withstand...09346635- SKU:
- 09346635
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- UNITS:
- SET
- PRODUCT NAME:
- GASKET SET
MSRP: $74.95Now: $64.00Was: $74.95Qty in Cart: 0Quantity:Price:MSRP: $74.95Now: $64.00Was: $74.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Arctic Cat Fire/Saber Cat 35.5703
PROX
MSRP: $74.95Now: $64.00Was: $74.95A top-end gasket kit is essential maintenance for any Arctic Cat Fire or Saber Cat engine—it seals critical combustion chamber interfaces to prevent oil leaks, coolant seepage, and compression loss that can degrade performance and reliability. PROX...09346638- SKU:
- 09346638
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $74.95Now: $64.00Was: $74.95Qty in Cart: 0Quantity:Price:MSRP: $74.95Now: $64.00Was: $74.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Polaris 700 35.5797
PROX
MSRP: $59.95Now: $51.00Was: $59.95A worn or compromised top end gasket kit can lead to compression loss, oil leakage, and catastrophic engine failure—especially in high-performance applications. The PROX Top End Gasket Kit for Polaris 700 engines provides a complete OEM-quality seal that...09346639- SKU:
- 09346639
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $59.95Now: $51.00Was: $59.95Qty in Cart: 0Quantity:Price:MSRP: $59.95Now: $51.00Was: $59.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Polaris 700 35.5799
PROX
MSRP: $59.95Now: $51.00Was: $59.95A quality top-end gasket kit is essential for maintaining cylinder head integrity and preventing costly coolant or oil leaks that compromise engine performance. The PROX Top End Gasket Kit for Polaris 700 engines delivers OEM-equivalent sealing with...09346640- SKU:
- 09346640
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $59.95Now: $51.00Was: $59.95Qty in Cart: 0Quantity:Price:MSRP: $59.95Now: $51.00Was: $59.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Ski Doo SM/MXZ 35.5800
PROX
MSRP: $54.95Now: $47.00Was: $54.95A top-end rebuild demands precision gasket sealing to maintain compression and prevent oil leakage across cylinder head surfaces. The PROX Top End Gasket Kit delivers OEM-equivalent quality with superior material durability, ensuring reliable performance...09346641- SKU:
- 09346641
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- TYPE:
- TOP END
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- GASKET KIT
MSRP: $54.95Now: $47.00Was: $54.95 -
On Sale
PROX Top End Gasket Kit - Ski Doo Summit/MXZ 800 35.5808
PROX
MSRP: $79.95Now: $68.00Was: $79.95A failed top end gasket kit can compromise your snowmobile's engine integrity, leading to coolant leaks, loss of compression, and catastrophic engine damage. The PROX Top End Gasket Kit is engineered to exact OEM specifications, ensuring a perfect seal...09346645- SKU:
- 09346645
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
MSRP: $79.95Now: $68.00Was: $79.95Qty in Cart: 0Quantity:Price:MSRP: $79.95Now: $68.00Was: $79.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Arctic Cat 800 35.5811
PROX
MSRP: $84.95Now: $72.00Was: $84.95A properly sealed top end is non-negotiable for engine reliability and performance on your Arctic Cat 800. This OEM-equivalent gasket kit ensures leak-free operation and maintains optimal combustion chamber integrity across demanding riding conditions...09346647- SKU:
- 09346647
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
MSRP: $84.95Now: $72.00Was: $84.95Qty in Cart: 0Quantity:Price:MSRP: $84.95Now: $72.00Was: $84.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Polaris 800 35.5813
PROX
MSRP: $74.95Now: $64.00Was: $74.95A worn or failed top end gasket kit compromises your Polaris 800's sealing integrity, leading to coolant leaks, oil weeping, and potential engine damage. This OEM-equivalent PROX gasket kit restores reliable compression sealing and prevents catastrophic...09346649- SKU:
- 09346649
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
- RIDING STYLE:
- SNOW
MSRP: $74.95Now: $64.00Was: $74.95 -
On Sale
PROX Top End Gasket Kit - Polaris 800 35.5817
PROX
MSRP: $89.95Now: $76.00Was: $89.95A failing top end gasket kit is the fastest way to lose compression, burn oil, and watch your engine's reliability spiral. The PROX Top End Gasket Kit for Polaris 800 engines delivers OEM-equivalent sealing integrity with precision-cut materials that...09346650- SKU:
- 09346650
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- SNOW
MSRP: $89.95Now: $76.00Was: $89.95 -
On Sale
PROX Top End Gasket Kit - Ski Doo 800R ETEC 35.5818
PROX
MSRP: $69.95Now: $59.00Was: $69.95A top-end gasket failure can sideline your sled at the worst possible moment, compromising engine integrity and reliability when you need it most. The PROX Top End Gasket Kit delivers OEM-equivalent sealing performance with precision engineering,...09346651- SKU:
- 09346651
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
MSRP: $69.95Now: $59.00Was: $69.95Qty in Cart: 0Quantity:Price:MSRP: $69.95Now: $59.00Was: $69.95Subtotal:
Buying Guide and FAQs
Buying Guide: Factors to Consider When Choosing Snowmobile Engine Parts
- Compatibility: Confirm parts fit your snowmobile's make (e.g., Arctic Cat, Polaris, Ski-Doo, Yamaha) and engine type (e.g., Sachs, JLO, Hirth, CCW, Kohler, Xenoah). Use the vehicle selector for model-specific matches, ensuring compatibility with current and non-current models to avoid leaks or performance issues.
- Type of Use: For high-performance racing or extreme cold rides, select top-end kits and gaskets for better compression; maintenance or trail use benefits from basic rebuild kits and seals for reliability and longevity in demanding winter conditions.
- Components and Upgrades: Choose from complete gasket sets, top-end kits (e.g., pistons, rings), cylinders/heads, bearings/seals, recoil starters, valves/cams, crankshafts, oil filters/tanks, wrist pins, motor mounts, flywheels/rods, and rebuild kits. Focus on features like high-tech materials for sealing and oil seals for leak-free operation.
- Brand and Quality: Opt for trusted brands like Winderosa for gasket and top-end sets with superior materials, or Maxima Racing Oils for lubricants. Prioritize high-tech, durable constructions that provide unmatched reliability, better compression, and performance in extreme environments.
- Installation and Cost: Many parts like gaskets or seals are DIY-friendly with basic tools; full rebuilds may require mechanics. Prices range from $40 for basic gasket sets to $110 for premium top-end kits—look for bundles and free shipping over $99 for value.
Frequently Asked Questions (FAQs)
- What snowmobile models and engines do these parts support? Parts are designed for makes like Arctic Cat, Polaris, Ski-Doo, and Yamaha, with compatibility for engines from Sachs, JLO, Hirth, CCW, Kohler, and Xenoah. Use the year/make/model filter for exact fits.
- How do gasket sets improve engine performance? Winderosa complete gasket sets provide superior sealing for leak-free operation, better compression, and increased longevity, ideal for performance engines in extreme cold.
- What do top-end kits typically include? Full top-end sets like Winderosa 710235 include gaskets, oil seals, and high-tech materials for a comprehensive rebuild, ensuring reliability and enhanced performance.
- Are these parts suitable for extreme conditions? Yes, made from high-tech materials designed for demanding snow riding, they offer unmatched durability and performance in harsh winter environments.
- What if a part doesn't fit my snowmobile? Verify compatibility using our selector tool before purchase. If it doesn't match, our returns policy allows exchanges or refunds.
- Can I find related engine components? Yes—explore subcategories like pistons/rings, cylinders/heads, bearings/seals, or browse air and fuel or drivetrain for complementary upgrades.
