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
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On Sale
PROX Top End Gasket Kit - Arctic Cat ZL/ZR500 35.5597
PROX
MSRP: $49.95Now: $42.00Was: $49.95A top-end gasket kit is essential maintenance for any Arctic Cat ZL/ZR500 that sees regular use—whether on the trail or in competition. Over time, factory gaskets deteriorate from heat cycles and vibration, leading to compression loss, oil seepage, and...09346623- SKU:
- 09346623
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- SNOW
- 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 - Polaris 550 35.5599
PROX
MSRP: $39.95Now: $34.00Was: $39.95A worn or failing top end gasket kit compromises compression, causes oil seepage, and leaves performance on the table. The PROX Top End Gasket Kit for Polaris 550 engines delivers OEM-grade sealing with precision-cut materials that maintain cylinder...09346624- SKU:
- 09346624
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $39.95Now: $34.00Was: $39.95Qty in Cart: 0Quantity:Price:MSRP: $39.95Now: $34.00Was: $39.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Polaris 600IQ 35.5610
PROX
MSRP: $54.95Now: $47.00Was: $54.95A quality top-end gasket kit is essential for maintaining proper compression and preventing coolant or oil seepage in your Polaris 600IQ. Over time, factory gaskets degrade under thermal cycling and high-RPM stress, leading to leaks that compromise...09346630- SKU:
- 09346630
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $54.95Now: $47.00Was: $54.95Qty in Cart: 0Quantity:Price:MSRP: $54.95Now: $47.00Was: $54.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Ski Doo 670 35.5693
PROX
MSRP: $59.95Now: $51.00Was: $59.95A quality top-end gasket kit is essential for maintaining a proper seal between your engine's cylinder head and block—any leak compromises combustion efficiency and can lead to costly engine damage. The PROX Top End Gasket Kit for Ski-Doo 670 engines...09346633- SKU:
- 09346633
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 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 Indy XLT600 35.5695
PROX
MSRP: $79.95Now: $68.00Was: $79.95A quality top-end gasket kit is essential for maintaining compression integrity and preventing costly coolant and oil leaks in your Polaris Indy XLT600. PROX manufactures OEM-equivalent gaskets with precise tolerances, ensuring reliable sealing across...09346634- SKU:
- 09346634
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- TYPE:
- TOP END
- UNITS:
- SET
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- SNOW
MSRP: $79.95Now: $68.00Was: $79.95 -
On Sale
PROX Top End Gasket Kit - Ski Doo 600 35.5699
PROX
MSRP: $64.95Now: $55.00Was: $64.95A top-end gasket kit is essential maintenance for any Ski-Doo 600 engine, preventing costly coolant and oil leaks that compromise performance and reliability. PROX's OEM-quality gasket set ensures proper sealing across all critical engine interfaces,...09346636- SKU:
- 09346636
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- PRODUCT NAME:
- GASKET SET
- UNITS:
- SET
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
MSRP: $64.95Now: $55.00Was: $64.95 -
On Sale
PROX Top End Gasket Kit - Ski Doo 35.5700
PROX
MSRP: $49.95Now: $42.00Was: $49.95A top-end gasket kit is essential for maintaining cylinder head integrity and preventing coolant or oil seepage that compromises engine reliability. Whether you're rebuilding after high-mileage wear or performing preventative maintenance, PROX's...09346637- SKU:
- 09346637
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- UNITS:
- SET
- 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 - Indy/RMK/SK 35.5801
PROX
MSRP: $59.95Now: $51.00Was: $59.95A top-end gasket kit is essential maintenance for any high-performance sled engine—these seals prevent coolant and oil leakage that can compromise engine integrity and performance. PROX's OEM-equivalent gasket set ensures proper compression and seal...09346642- SKU:
- 09346642
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
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 - Arctic Cat ZL/ZR/Cat 800 35.5802
PROX
MSRP: $74.95Now: $64.00Was: $74.95A top-end gasket kit is essential maintenance for any Arctic Cat 800 engine—worn or degraded gaskets compromise compression, increase blow-by, and lead to costly internal damage. PROX's engineered gasket set ensures proper sealing across all critical...09346643- SKU:
- 09346643
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET KIT
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 35.5807
PROX
MSRP: $94.95Now: $81.00Was: $94.95A top-end gasket kit is essential for maintaining cylinder head integrity and preventing coolant or oil seepage that compromises engine reliability. The PROX 35.5807 delivers OEM-equivalent sealing performance at a fraction of the cost, making it the...09346644- SKU:
- 09346644
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- SNOW
MSRP: $94.95Now: $81.00Was: $94.95Qty in Cart: 0Quantity:Price:MSRP: $94.95Now: $81.00Was: $94.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Polaris 800 35.5812
PROX
MSRP: $74.95Now: $64.00Was: $74.95A top-end gasket failure can compromise your entire engine's integrity, leading to costly downtime and performance loss. The PROX Top End Gasket Kit delivers OEM-equivalent sealing with precision engineering, ensuring your Polaris 800 maintains peak...09346648- SKU:
- 09346648
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
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 RMK/Fusion/Switchback 35.5906
PROX
MSRP: $79.95Now: $68.00Was: $79.95A top-end gasket kit is essential maintenance for any Polaris snowmobile running hard—whether you're pushing your RMK, Fusion, or Switchback to the limit on the trail or in competition. Worn or degraded gaskets compromise compression, increase blow-by,...09346656- SKU:
- 09346656
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET KIT
MSRP: $79.95Now: $68.00Was: $79.95Qty in Cart: 0Quantity:Price:MSRP: $79.95Now: $68.00Was: $79.95Subtotal: -
On Sale
PROX Upper Rod Bearing - 18 mm x 22 mm x 22.8 mm 21.5400
PROX
MSRP: $10.99Now: $9.00Was: $10.99Piston rod-end bearings are critical to engine reliability, especially in high-RPM racing applications where lateral loads and reciprocating forces demand precision engineering. The PROX 18 x 22 x 22.8 mm needle cage bearing handles these extreme...09240251- SKU:
- 09240251
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- INSIDE DIAMETER:
- 18 MM
- INSIDE DIAMETER METRIC:
- 18 MM
- RIDING STYLE:
- SNOW
- OUTSIDE DIAMETER:
- 22 MM
- PRODUCT NAME:
- BEARING
- LENGTH:
- 22,8 MM
- LENGTH METRIC:
- 22.8 MM
- OUTSIDE DIAMETER METRIC:
- 22 MM
- STYLE:
- 2-STROKE
- UNITS:
- EACH
- APPLICATION:
- CONNECTING ROD
- MATERIAL:
- STAINLESS STEEL
MSRP: $10.99Now: $9.00Was: $10.99 -
On Sale
PROX Ring Set 02.5802.000
PROX
MSRP: $24.95Now: $21.00Was: $24.95Proper ring sealing is fundamental to engine efficiency and longevity. The PROX Ring Set 02.5802.000 delivers optimized heat transfer and combustion chamber sealing to maintain compression integrity and reduce blowby across the entire RPM range. Whether...09120452- SKU:
- 09120452
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- SET
- RIDING STYLE:
- SNOW
- BORE SIZE METRIC:
- 81.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON RING
MSRP: $24.95Now: $21.00Was: $24.95Qty in Cart: 0Quantity:Price:MSRP: $24.95Now: $21.00Was: $24.95Subtotal: -
On Sale
PROX Ring Set 02.5802.100
PROX
MSRP: $24.95Now: $21.00Was: $24.95Proper ring sealing is fundamental to engine efficiency and longevity. PROX Ring Set 02.5802.100 delivers optimized heat transfer and combustion sealing that directly impacts compression, blow-by reduction, and overall engine performance. Whether you're...09120454- SKU:
- 09120454
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- SET
- RIDING STYLE:
- SNOW
- PISTON MATERIAL:
- ALUMINUM ALLOY
- BORE SIZE METRIC:
- 82.00 MM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- WATERCRAFT
MSRP: $24.95Now: $21.00Was: $24.95Qty in Cart: 0Quantity:Price:MSRP: $24.95Now: $21.00Was: $24.95Subtotal: -
On Sale
PROX Ring Set 02.2599.000
PROX
MSRP: $24.95Now: $21.00Was: $24.95A properly sealed combustion chamber is non-negotiable for engine reliability and peak performance. PROX ring sets are engineered to maintain consistent compression and minimize blow-by, directly translating to better power delivery and extended engine...09120455- SKU:
- 09120455
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- SET
- BORE SIZE METRIC:
- 72.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- PISTON RING
MSRP: $24.95Now: $21.00Was: $24.95 -
On Sale
PROX Piston Kit 01.5599.100
PROX
MSRP: $105.95Now: $90.00Was: $105.95When your engine's pistons show wear, power delivery suffers and reliability becomes questionable. The PROX Piston Kit 01.5599.100 restores OEM-level performance with precision-engineered components manufactured to exacting tolerances, ensuring...09103294- SKU:
- 09103294
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE SIZE METRIC:
- 74.00 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- RIDING STYLE:
- SNOW
MSRP: $105.95Now: $90.00Was: $105.95Qty in Cart: 0Quantity:Price:MSRP: $105.95Now: $90.00Was: $105.95Subtotal: -
On Sale
PROX Piston Kit 01.5603.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95When your engine demands reliability at the highest RPMs, OEM-equivalent pistons are non-negotiable. The PROX Piston Kit 01.5603.000 delivers Japanese manufacturing precision with high-silicon aluminum construction that handles extreme combustion...09103297- SKU:
- 09103297
- Availability:
- Ships Same Business Day
- Weight:
- 1.08 LBS
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 77.25 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- RIDING STYLE:
- SNOW
MSRP: $105.95Now: $90.00Was: $105.95 -
Wiseco Ring Set 78.50mm Sea-Doo XP 1993-1994 3091LK
WISECO
$59.95Piston ring sets are critical to engine reliability—they seal combustion pressure, control oil consumption, and directly impact power delivery. The Wiseco 3091LK is precision-engineered for Sea-Doo XP models, ensuring proper compression and reduced...3091LK- SKU:
- 3091LK
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- SNOW
- UNITS:
- SET
- BORE SIZE METRIC:
- 78.50 MM
- PISTON MATERIAL:
- ALUMINUM
$59.95Qty in Cart: 0Quantity:Price:$59.95Subtotal: -
Wiseco Piston Kit 76.50mm 1998 Ski-Doo MXZ 583 SK1227
WISECO
$389.95A worn or damaged piston directly compromises your MXZ 583's power delivery, throttle response, and engine reliability—especially critical when you're pushing the sled hard in extreme conditions. This Wiseco complete kit eliminates guesswork by pairing...SK1227- SKU:
- SK1227
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- BORE SIZE METRIC:
- 76.00 MM
- COOLING SYSTEM:
- LIQUID COOLED
- PRODUCT NAME:
- REBUILD KIT
- SKIRT COATING:
- ARMORGLIDE®
- BORE - OVERSIZE:
- +0,50 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- DISPLACEMENT:
- 588 CC
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE METRIC:
- +0.50 MM
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 76.40 MM
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 64.00 MM
- TYPE:
- TOP END
- UNITS:
- KIT
$389.95Qty in Cart: 0Quantity:Price:$389.95Subtotal:
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.
