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 01.5801.000
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: $119.95Qty in Cart: 0Quantity:Price:MSRP: $119.95Now: $102.00Was: $119.95Subtotal: -
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: $105.95 -
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: $105.95 -
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: -
On Sale
PROX Piston Kit 01.5597.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95Snowmobile engines demand pistons that can handle extreme thermal stress and sustained high RPM operation without compromising reliability. The PROX Piston Kit 01.5597.000 delivers the durability and precision fit you need to rebuild your top-end with...09103327- SKU:
- 09103327
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- RIDING STYLE:
- SNOW
- BORE SIZE METRIC:
- 71.00 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
MSRP: $105.95Now: $90.00Was: $105.95 -
On Sale
PROX Piston Kit 01.5698.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95When your snowmobile's engine is running on worn pistons, you're losing compression, efficiency, and reliability. The PROX Piston Kit 01.5698.000 restores your sled's top-end performance with hypereutectic cast construction designed to handle thermal...09103328- SKU:
- 09103328
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BORE SIZE METRIC:
- 78.00 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- UNITS:
- KIT
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- ENGINE TYPE:
- 2-STROKE
MSRP: $105.95Now: $90.00Was: $105.95 -
Wiseco Top End Bearing Arctic Cat Bearcat 550 1995-1996 B1024
WISECO
$25.95The Wiseco Top End Bearing B1024 is purpose-built for Arctic Cat Snowmobile enthusiasts who demand reliability at sustained high RPMs. Factory bearings wear predictably under aggressive riding conditions—this upgrade delivers case-hardened durability and...B1024- SKU:
- B1024
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- SNOW
- APPLICATION:
- PISTON
- LENGTH METRIC:
- 24 MM
- OUTSIDE DIAMETER METRIC:
- 26 MM
- INSIDE DIAMETER METRIC:
- 20 MM
- MATERIAL:
- SILICONE
- TYPE:
- TOP END
$25.95 -
Wiseco 69.75mm Piston Ring Set for Polaris Indy 440 1992-1998 2746CD
WISECO
$52.95Maintaining proper ring-to-groove clearance is critical for cylinder sealing and blow-by control in your Polaris Indy 440. The Wiseco 2746CD piston ring set delivers OEM-equivalent precision fit while offering the durability you need for consistent...2746CD- SKU:
- 2746CD
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- WATERCRAFT
- BORE SIZE METRIC:
- 69.75 MM
- DISPLACEMENT:
- 458 CC
- UNITS:
- SET
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON RING
$52.95 -
Wiseco Piston Kit Ski-Doo MX-Z 440 1995-1998 SK1205
WISECO
$369.95A worn or damaged piston directly kills your sled's throttle response and fuel efficiency—and replacement with mismatched components only compounds the problem. The Wiseco SK1205 kit solves this by delivering a complete, factory-matched assembly...SK1205- SKU:
- SK1205
- Availability:
- Ships Same Business Day
- Weight:
- 2.13 LBS
- COOLING SYSTEM:
- LIQUID COOLED
- PRODUCT NAME:
- REBUILD KIT
- DISPLACEMENT:
- 437 CC
- PISTON DIAMETER METRIC:
- 67.40 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 67.50 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- RIDING STYLE:
- SNOW
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 61.00 MM
- TYPE:
- TOP END
- UNITS:
- KIT
$369.95 -
Wiseco Piston Kit Ski-Doo Formula III 600 1996-1999 SK1224
WISECO
$564.81When your Ski-Doo Formula III 600 demands a complete top-end refresh, settling for anything less than a matched piston kit invites reliability issues and performance loss. The Wiseco SK1224 kit eliminates guesswork by pairing purpose-built pistons with...SK1224- SKU:
- SK1224
- Availability:
- Ships Same Business Day
- Weight:
- 2.38 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 598 CC
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 64.50 MM
- COOLING SYSTEM:
- LIQUID COOLED
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 64.45 MM
- RIDING STYLE:
- SNOW
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 61.00 MM
- TYPE:
- TOP END
- UNITS:
- KIT
$564.81Qty in Cart: 0Quantity:Price:$564.81Subtotal: -
Wiseco 76mm Piston Kit for Ski-Doo Summit 583 1994-1997 SK1226
WISECO
$419.95If you're running a Ski-Doo Summit 583 and pushing your engine hard, stock pistons won't cut it. The Wiseco SK1226 kit gives you the strength and thermal stability needed for aggressive riding and extended season use. This is a complete top-end...SK1226- SKU:
- SK1226
- 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:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 75.90 MM
- UNITS:
- KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 64.00 MM
- DISPLACEMENT:
- 581 CC
- MODEL:
- PRO-LITE
- TYPE:
- TOP END
$419.95 -
Wiseco Piston Kit 78.50mm Ski-Doo MXZ 670 1997-1998 SK1237
WISECO
$409.95When your Ski-Doo MXZ 670's engine reaches the end of its service life, a quality piston kit is the foundation of a reliable rebuild. Wiseco's high-silicone forged aluminum construction withstands the thermal stress of high-RPM operation while...SK1237- SKU:
- SK1237
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- ENGINE TYPE:
- 2-STROKE
- STROKE LENGTH METRIC:
- 70.00 MM
- TYPE:
- TOP END
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 78.40 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- SNOW
- UNITS:
- KIT
- BORE SIZE METRIC:
- 78.00 MM
- COOLING SYSTEM:
- LIQUID COOLED
- DISPLACEMENT:
- 677 CC
- PRODUCT NAME:
- REBUILD KIT
- SKIRT COATING:
- ARMORGLIDE®
$409.95 -
Wiseco Piston Kit 69.75mm Bore for 1998-1999 Ski-Doo Formula III 700 SK1246
WISECO
$544.95When you're rebuilding a 1998-1999 Ski-Doo Formula III 700, settling for OEM pistons leaves performance on the table. Wiseco's purpose-built piston kit delivers the strength, thermal stability, and ring compatibility that serious sledheads demand for...SK1246- SKU:
- SK1246
- Availability:
- Ships Same Business Day
- Weight:
- 2.38 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 61.00 MM
- COOLING SYSTEM:
- LIQUID COOLED
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 69.66 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 69.75 MM
- DISPLACEMENT:
- 699 CC
- RIDING STYLE:
- SNOW
- UNITS:
- KIT
$544.95Qty in Cart: 0Quantity:Price:$544.95Subtotal: -
Wiseco Piston Kit Arctic Cat 2006-2009 Prowler 650 Standard SK1260
WISECO
$349.95When you're rebuilding the top end of your 2006-2009 Arctic Cat Prowler 650, you need pistons that can handle sustained high RPMs without compromise. The Wiseco SK1260 kit eliminates the guesswork by pairing forged pistons with matched rings, pins, and...SK1260- SKU:
- SK1260
- Availability:
- Ships Same Business Day
- Weight:
- 1.81 LBS
- PRODUCT NAME:
- REBUILD KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- SNOW
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COOLING SYSTEM:
- FAN COOLED
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- KIT
- BORE SIZE METRIC:
- 66.50 MM
- DISPLACEMENT:
- 438 CC
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 66.42 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 63.00 MM
- TYPE:
- TOP END
$349.95Qty in Cart: 0Quantity:Price:$349.95Subtotal:
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.