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 Piston Kit 01.5600.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95A piston kit is the beating heart of your engine's combustion chamber—when wear, damage, or performance upgrades demand replacement, settling for anything less than OEM-equivalent quality compromises reliability and power delivery. The PROX Piston Kit 01...09103295- SKU:
- 09103295
- Availability:
- Ships Same Business Day
- Weight:
- 1.03 LBS
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE SIZE METRIC:
- 72.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- RIDING STYLE:
- SNOW
MSRP: $105.95Now: $90.00Was: $105.95 -
On Sale
PROX Piston Kit 01.5601.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95Snowmobile engines demand pistons that can handle extreme temperatures and repeated thermal cycling without sacrificing reliability. The PROX Piston Kit 01.5601.000 uses hypereutectic cast construction with a specialized dual-ring design to deliver the...09103296- SKU:
- 09103296
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- UNITS:
- KIT
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- ENGINE TYPE:
- 2-STROKE
- BORE SIZE METRIC:
- 78.00 MM
- PRODUCT NAME:
- PISTON KIT
- 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 01.5699.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95A piston kit is one of the most critical components in your engine's combustion chamber, directly affecting power delivery, fuel efficiency, and engine longevity. The PROX Piston Kit 01.5699.000 delivers OEM-equivalent performance with precision...09103298- SKU:
- 09103298
- Availability:
- Ships Same Business Day
- Weight:
- 1.04 LBS
- RIDING STYLE:
- SNOW
- BORE SIZE METRIC:
- 76.00 MM
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- TYPE:
- SINGLE RING
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
MSRP: $105.95Now: $90.00Was: $105.95 -
On Sale
PROX Piston Kit 01.5699.050
PROX
MSRP: $105.95Now: $90.00Was: $105.95When your engine's pistons wear down, performance suffers—compression drops, blow-by increases, and you lose power across the entire RPM range. The PROX Piston Kit 01.5699.050 restores your engine to OEM specifications with precision-manufactured...09103299- SKU:
- 09103299
- Availability:
- Ships Same Business Day
- Weight:
- 1.04 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- TYPE:
- SINGLE RING
- BORE SIZE METRIC:
- 76.50 MM
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
MSRP: $105.95Now: $90.00Was: $105.95 -
On Sale
PROX Piston Kit 01.5699.100
PROX
MSRP: $105.95Now: $90.00Was: $105.95A piston kit lives at the heart of your engine's power delivery, and worn or damaged pistons directly compromise compression, efficiency, and reliability. The PROX Piston Kit 01.5699.100 delivers OEM-grade replacement performance without compromise,...09103300- SKU:
- 09103300
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE SIZE METRIC:
- 77.00 MM
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- RIDING STYLE:
- SNOW
- ENGINE TYPE:
- 2-STROKE
- TYPE:
- SINGLE RING
MSRP: $105.95Now: $90.00Was: $105.95 -
On Sale
PROX Piston Kit 01.5700.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95When your engine demands reliability under extreme conditions, stock pistons simply won't cut it. The PROX Piston Kit 01.5700.000 delivers OEM-quality replacement performance with precision engineering that handles both stock and modified builds. This...09103301- SKU:
- 09103301
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- BORE SIZE METRIC:
- 78.00 MM
- PISTON SIZE METRIC:
- STANDARD
- RIDING STYLE:
- SNOW
- ENGINE TYPE:
- 2-STROKE
MSRP: $105.95Now: $90.00Was: $105.95Qty in Cart: 0Quantity:Price:MSRP: $105.95Now: $90.00Was: $105.95Subtotal: -
On Sale
PROX Piston Kit 01.5703.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95A worn or damaged piston directly compromises engine efficiency, compression, and reliability—especially in high-demand sled applications where thermal stress is relentless. The PROX Piston Kit 01.5703.000 restores your engine to factory performance...09103302- SKU:
- 09103302
- Availability:
- Ships Same Business Day
- Weight:
- 1.27 LBS
- BORE SIZE METRIC:
- 79.70 MM
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- ENGINE TYPE:
- 2-STROKE
MSRP: $105.95Now: $90.00Was: $105.95Qty in Cart: 0Quantity:Price:MSRP: $105.95Now: $90.00Was: $105.95Subtotal: -
On Sale
PROX Piston Kit 01.5799.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95When your engine is pushing limits, your pistons need to match that intensity. The PROX Piston Kit 01.5799.000 delivers OEM-equivalent performance with the precision manufacturing and material quality that separates reliable power from catastrophic...09103303- SKU:
- 09103303
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- RIDING STYLE:
- SNOW
- BORE SIZE METRIC:
- 81.00 MM
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
MSRP: $105.95Now: $90.00Was: $105.95 -
On Sale
PROX Piston Kit 01.5799.100
PROX
MSRP: $105.95Now: $90.00Was: $105.95A worn or damaged piston compromises combustion efficiency, reduces power output, and risks catastrophic engine failure. The PROX Piston Kit 01.5799.100 restores OEM-level performance with precision-engineered components manufactured to exacting...09103305- SKU:
- 09103305
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- BORE SIZE METRIC:
- 82.00 MM
- RIDING STYLE:
- SNOW
- ENGINE TYPE:
- 2-STROKE
- PISTON SIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
MSRP: $105.95Now: $90.00Was: $105.95 -
On Sale
PROX Piston Kit 01.5800.000
PROX
MSRP: $119.95Now: $102.00Was: $119.95When your engine demands reliability at high RPM, factory pistons won't cut it—especially if you're running modified boost levels or extended service intervals. The PROX Piston Kit 01.5800.000 delivers OEM-spec performance with the precision engineering...09103306- SKU:
- 09103306
- Availability:
- Ships Same Business Day
- Weight:
- 1.36 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON SIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 82.00 MM
- RIDING STYLE:
- SNOW
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
MSRP: $119.95Now: $102.00Was: $119.95 -
On Sale
PROX Piston Kit 01.5801.000
PROX
MSRP: $119.95Now: $102.00Was: $119.95Factory pistons wear out—whether from high mileage, aggressive tuning, or track duty. The PROX Piston Kit 01.5801.000 delivers OEM-equivalent performance with precision manufacturing that restores cylinder-to-piston clearances to specification. This...09103307- SKU:
- 09103307
- Availability:
- Ships Same Business Day
- Weight:
- 1.32 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE SIZE METRIC:
- 85.00 MM
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- RIDING STYLE:
- SNOW
MSRP: $119.95Now: $102.00Was: $119.95Qty in Cart: 0Quantity:Price:MSRP: $119.95Now: $102.00Was: $119.95Subtotal: -
On Sale
PROX Piston Kit 01.5802.000
PROX
MSRP: $119.95Now: $102.00Was: $119.95When your sled's engine takes a beating, weak pistons accelerate wear and compromise performance—ProX pistons are engineered to deliver the durability and reliability you need to keep your engine running strong season after season. Built from...09103308- SKU:
- 09103308
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- KIT
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 81.00 MM
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
MSRP: $119.95Now: $102.00Was: $119.95 -
On Sale
PROX Piston Kit 01.5807.000
PROX
MSRP: $119.95Now: $102.00Was: $119.95A worn or damaged piston directly compromises engine compression, power delivery, and overall reliability—especially critical in high-demand sled applications where thermal stress is constant. The PROX Piston Kit 01.5807.000 uses hypereutectic alloy...09103309- SKU:
- 09103309
- Availability:
- Ships Same Business Day
- Weight:
- 1.38 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- BORE SIZE METRIC:
- 85.00 MM
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- RIDING STYLE:
- SNOW
MSRP: $119.95Now: $102.00Was: $119.95 -
On Sale
PROX Piston Kit 01.5808.000
PROX
MSRP: $119.95Now: $102.00Was: $119.95When your engine demands reliable, factory-spec performance, compromised pistons aren't an option. The PROX Piston Kit 01.5808.000 delivers the precision engineering and material integrity of OEM components, engineered to restore power delivery and...09103310- SKU:
- 09103310
- Availability:
- Ships Same Business Day
- Weight:
- 1.39 LBS
- BORE SIZE METRIC:
- 82.00 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- RIDING STYLE:
- SNOW
MSRP: $119.95Now: $102.00Was: $119.95 -
On Sale
PROX Piston Kit 01.5903.000
PROX
MSRP: $119.95Now: $102.00Was: $119.95When your sled's engine reaches operating temperature, piston reliability becomes non-negotiable. The PROX Piston Kit 01.5903.000 combines hypereutectic cast construction with precision ring geometry to deliver consistent performance across extended...09103312- SKU:
- 09103312
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- KIT
- BORE SIZE METRIC:
- 85.00 MM
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
MSRP: $119.95Now: $102.00Was: $119.95 -
On Sale
PROX Piston Kit 01.5906.000
PROX
MSRP: $119.95Now: $102.00Was: $119.95When your engine's pistons wear beyond safe operating limits, performance degradation and catastrophic failure follow. The PROX Piston Kit 01.5906.000 delivers OEM-equivalent reliability with precision engineering, restoring your engine to factory...09103313- SKU:
- 09103313
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
- BORE SIZE METRIC:
- 83.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- PISTON SIZE METRIC:
- STANDARD
- RIDING STYLE:
- SNOW
MSRP: $119.95Now: $102.00Was: $119.95Qty in Cart: 0Quantity:Price:MSRP: $119.95Now: $102.00Was: $119.95Subtotal: -
On Sale
PROX Piston Kit 01.2697.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95When your engine's pistons wear beyond safe operating limits, performance and reliability suffer immediately. The PROX Piston Kit 01.2697.000 restores your engine to OEM specifications with precision-engineered components manufactured to exacting...09103321- SKU:
- 09103321
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- BORE SIZE METRIC:
- 74.80 MM
- PISTON DIAMETER METRIC:
- 74.80 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- RIDING STYLE:
- SNOW
- ENGINE TYPE:
- 2-STROKE
- PISTON SIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON KIT
MSRP: $105.95Now: $90.00Was: $105.95Qty in Cart: 0Quantity:Price:MSRP: $105.95Now: $90.00Was: $105.95Subtotal: -
On Sale
PROX Piston Kit 01.5586.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95Worn or damaged pistons compromise engine efficiency, heat dissipation, and overall reliability—especially under sustained high-RPM conditions. The PROX Piston Kit 01.5586.000 restores OEM performance with precision-engineered components manufactured to...09103323- SKU:
- 09103323
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- RIDING STYLE:
- SNOW
- BORE SIZE METRIC:
- 72.00 MM
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- PISTON DIAMETER METRIC:
- 72.00 MM
MSRP: $105.95Now: $90.00Was: $105.95 -
On Sale
PROX Piston Kit 01.5586.050
PROX
MSRP: $105.95Now: $90.00Was: $105.95A worn or damaged piston directly undermines engine reliability and power delivery—this OEM-quality replacement kit restores your engine to factory specifications without compromise. PROX engineered this kit with high-silicon-content aluminum and...09103324- SKU:
- 09103324
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE SIZE METRIC:
- 72.50 MM
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- RIDING STYLE:
- SNOW
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 72.50 MM
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
MSRP: $105.95Now: $90.00Was: $105.95Qty in Cart: 0Quantity:Price:MSRP: $105.95Now: $90.00Was: $105.95Subtotal: -
On Sale
PROX Piston Kit 01.5593.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95Maintaining peak engine performance in your sled requires reliable, precision-engineered components that won't compromise durability or cost-effectiveness. The PROX Piston Kit 01.5593.000 delivers OEM-quality construction using hypereutectic alloy and...09103326- SKU:
- 09103326
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 75.40 MM
- RIDING STYLE:
- SNOW
- UNITS:
- KIT
MSRP: $105.95Now: $90.00Was: $105.95Qty in Cart: 0Quantity:Price:MSRP: $105.95Now: $90.00Was: $105.95Subtotal:
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.