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
-
PARTS UNLIMITED Piston Assembly - Polaris - Standard 09-718
PARTS UNLIMITED
$47.89A worn or damaged piston assembly directly compromises engine efficiency, power output, and reliability. This PARTS UNLIMITED piston assembly delivers OEM-equivalent performance with optimized thermal design, ensuring consistent combustion temperatures...09718- SKU:
- 09718
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 65.00 MM
- UNITS:
- EACH
- BORE SIZE METRIC:
- 66.50 MM
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 700 CC
$47.89 -
PARTS UNLIMITED Piston Assembly - Polaris - Standard 09-720
PARTS UNLIMITED
$50.95A worn or damaged piston directly compromises combustion efficiency, power output, and engine longevity. The PARTS UNLIMITED Piston Assembly for Polaris delivers OEM-equivalent performance with optimized thermal properties, ensuring reliable heat...09720- SKU:
- 09720
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE SIZE METRIC:
- 70.50 MM
- STROKE LENGTH METRIC:
- 64.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 500 CC
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
- RIDING STYLE:
- SNOW
$50.95 -
PARTS UNLIMITED Piston Assembly - Polaris - +.020 09-720-2
PARTS UNLIMITED
$46.87When your Polaris engine demands precision and reliability, OEM-equivalent pistons are non-negotiable. The PARTS UNLIMITED Piston Assembly delivers cast construction engineered for optimal thermal transfer from the combustion chamber to cylinder...097202- SKU:
- 097202
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE SIZE METRIC:
- 70.50 MM
- DISPLACEMENT:
- 500 CC
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,020'
- STROKE LENGTH METRIC:
- 64.00 MM
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- RIDING STYLE:
- SNOW
$46.87 -
PARTS UNLIMITED Piston Assembly - Polaris - Standard 09-728
PARTS UNLIMITED
$52.99A piston assembly is the critical link between combustion and mechanical energy—when it fails or wears, you lose compression, power, and reliability. PARTS UNLIMITED's Polaris piston assembly delivers OEM-matched performance with superior heat transfer...09728- SKU:
- 09728
- Availability:
- Ships Same Business Day
- Weight:
- 1.08 LBS
- BORE SIZE METRIC:
- 77.25 MM
- STROKE LENGTH METRIC:
- 68.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 600 CC
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
- RIDING STYLE:
- SNOW
$52.99 -
PARTS UNLIMITED Piston Assembly - Polaris - Standard 09-730
PARTS UNLIMITED
$62.17A piston assembly failure cascades through your entire engine—loss of compression, catastrophic ring blow-by, and potential cylinder wall damage. The PARTS UNLIMITED Piston Assembly for Polaris delivers OE-matched geometry and durability without the OEM...09730- SKU:
- 09730
- Availability:
- Ships Same Business Day
- Weight:
- 1.34 LBS
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- BORE SIZE METRIC:
- 85.00 MM
- DISPLACEMENT:
- 800 CC
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- STROKE LENGTH METRIC:
- 70.00 MM
- UNITS:
- EACH
$62.17Qty in Cart: 0Quantity:Price:$62.17Subtotal: -
PARTS UNLIMITED Ring Set 09-9019
PARTS UNLIMITED
$13.21Piston ring degradation directly impacts compression, oil consumption, and overall engine efficiency—leading to power loss and increased fuel consumption. A quality ring set restores proper sealing and combustion pressure, essential for maintaining peak...099019- SKU:
- 099019
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
$13.21 -
PARTS UNLIMITED Piston Assembly - Rotax - Standard 09-765
PARTS UNLIMITED
$36.67A piston assembly failure means downtime and lost performance. The PARTS UNLIMITED Piston Assembly for Rotax engines delivers OEM-equivalent precision with optimized heat transfer characteristics, keeping combustion temperatures in check and extending...09765- SKU:
- 09765
- Availability:
- Ships Same Business Day
- Weight:
- 0.67 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 340 CC
- PISTON MATERIAL:
- ALUMINUM
- STROKE LENGTH METRIC:
- 61.00 MM
- UNITS:
- EACH
- BORE SIZE METRIC:
- 59.50 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
$36.67 -
PARTS UNLIMITED Piston Assembly - Rotax - Standard 09-773
PARTS UNLIMITED
$66.25A piston assembly is the heart of engine performance—it's where combustion energy converts to power. This PARTS UNLIMITED Rotax piston assembly delivers OEM-matched quality with superior heat dissipation, ensuring consistent performance and longevity...09773- SKU:
- 09773
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- BORE SIZE METRIC:
- 78.00 MM
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- DISPLACEMENT:
- 670 CC
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- STROKE LENGTH METRIC:
- 70.00 MM
$66.25Qty in Cart: 0Quantity:Price:$66.25Subtotal: -
PARTS UNLIMITED Piston Assembly - Rotax - Standard 09-774X
PARTS UNLIMITED
$47.89When your Rotax engine demands reliable combustion and consistent power delivery, OEM-equivalent pistons become non-negotiable. The PARTS UNLIMITED Piston Assembly delivers the thermal efficiency and dimensional precision your engine needs to perform...09774X- SKU:
- 09774X
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- BORE SIZE METRIC:
- 64.50 MM
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 61.00 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 600 CC
$47.89 -
PARTS UNLIMITED Piston Assembly - Rotax - Standard 09-780
PARTS UNLIMITED
$48.91A piston assembly is the heart of your engine's combustion process—it needs to handle extreme heat and pressure while maintaining precision tolerances. The PARTS UNLIMITED Piston Assembly for Rotax engines is engineered to match OEM specifications,...09780- SKU:
- 09780
- Availability:
- Ships Same Business Day
- Weight:
- 0.92 LBS
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 500 CC
- PISTON MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- BORE SIZE METRIC:
- 69.50 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 68.00 MM
$48.91 -
PARTS UNLIMITED Piston Assembly - Rotax - +.020 09-7802
PARTS UNLIMITED
$43.81If you're rebuilding a Rotax engine or replacing a worn piston, this PARTS UNLIMITED assembly delivers OEM-matched performance without compromise. The cast construction provides superior heat dissipation from the combustion chamber to cylinder walls,...097802- SKU:
- 097802
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
$43.81 -
PARTS UNLIMITED Piston Assembly - Rotax - Standard 09-781
PARTS UNLIMITED
$46.87A worn or damaged piston assembly directly impacts combustion efficiency, engine response, and overall reliability—especially in high-demand racing applications. The PARTS UNLIMITED Piston Assembly for Rotax engines delivers OEM-matched geometry and...09781- SKU:
- 09781
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
- STROKE LENGTH METRIC:
- 61.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 700 CC
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
- BORE SIZE METRIC:
- 69.80 MM
- RIDING STYLE:
- SNOW
$46.87 -
PARTS UNLIMITED Piston Assembly - Yamaha - +.020 09-817-02
PARTS UNLIMITED
$41.77When your Yamaha engine demands precision and reliability, this piston assembly delivers the performance characteristics of OEM engineering with optimized thermal properties. Cast to exacting tolerances, these pistons excel at dissipating combustion heat...0981702- SKU:
- 0981702
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE:
- +0,020'
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 68.00 MM
- BORE SIZE METRIC:
- 73.00 MM
- DISPLACEMENT:
- 569 CC
- PRODUCT NAME:
- PISTON KIT
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- PISTON MATERIAL:
- ALUMINUM
- UNITS:
- EACH
$41.77 -
PARTS UNLIMITED Piston Assembly - Polaris - Standard 8053
PARTS UNLIMITED
$52.99A worn or damaged piston directly compromises combustion efficiency and engine reliability—replacements are non-negotiable for any rebuild or performance refresh. PARTS UNLIMITED's cast piston assembly is engineered to match OEM specifications while...8053- SKU:
- 8053
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- BORE SIZE METRIC:
- 72.00 MM
- PISTON MATERIAL:
- ALUMINUM
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 500 CC
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 60.00 MM
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- RIDING STYLE:
- SNOW
$52.99 -
On Sale
PARTS UNLIMITED Piston Assembly - John Deere - Standard 8040
PARTS UNLIMITED
MSRP: $44.95Now: $29.00Was: $44.95When combustion chamber temperatures spike, your piston assembly must dissipate heat efficiently—or face premature wear, loss of compression, and catastrophic engine failure. The PARTS UNLIMITED Piston Assembly for John Deere 8040 engines delivers...8040- SKU:
- 8040
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- DISPLACEMENT:
- 438 CC
- STROKE LENGTH METRIC:
- 64.00 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- BORE SIZE METRIC:
- 66.00 MM
- UNITS:
- EACH
- PISTON MATERIAL:
- ALUMINUM
MSRP: $44.95Now: $29.00Was: $44.95 -
On Sale
PARTS UNLIMITED Ring Set AM55110
PARTS UNLIMITED
MSRP: $6.07Now: $4.00Was: $6.07Piston ring wear is one of the most common causes of compression loss, oil burning, and reduced power output in high-mileage engines. The PARTS UNLIMITED Ring Set AM55110 restores proper ring-to-cylinder wall sealing, ensuring consistent compression and...AM55110- SKU:
- AM55110
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- SNOW
- BORE SIZE METRIC:
- 58.00 MM
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- PISTON SIZE IMPERIAL:
- STANDARD
MSRP: $6.07Now: $4.00Was: $6.07 -
PARTS UNLIMITED Circlips C09-16
PARTS UNLIMITED
$0.97Piston ring wear is one of the most common causes of compression loss and performance degradation in high-revving engines. The PARTS UNLIMITED Circlips C09-16 are precision replacement rings designed to restore your piston assembly to original...C0916- SKU:
- C0916
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OUTSIDE DIAMETER:
- 16 MM
- RIDING STYLE:
- SNOW
- APPLICATION:
- PISTON
- OUTSIDE DIAMETER METRIC:
- 16 MM
- PRODUCT NAME:
- CIRCLIP
- TYPE:
- PIN
- UNITS:
- PAIR
- RIDING STYLE:
- ATV
$0.97Qty in Cart: 0Quantity:Price:$0.97Subtotal: -
PARTS UNLIMITED Piston Assembly - Rotax - Standard PU0910-0288
PARTS UNLIMITED
$65.23Maintaining optimal combustion chamber temperatures is critical to engine longevity and performance, and this piston assembly delivers the thermal management your Rotax engine demands. Engineered to match OEM specifications while maximizing heat...09100288- SKU:
- 09100288
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 700 CC
- PISTON MATERIAL:
- ALUMINUM
- BORE SIZE METRIC:
- 78.00 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 73.00 MM
$65.23 -
On Sale
PARTS UNLIMITED Piston Assembly - Arctic Cat - Standard 3005724
PARTS UNLIMITED
MSRP: $59.11Now: $38.00Was: $59.11A properly functioning piston assembly is critical to engine reliability and performance—worn or damaged pistons lead to compression loss, increased blow-by, and eventual catastrophic engine failure. The PARTS UNLIMITED Piston Assembly for Arctic Cat...09100552- SKU:
- 09100552
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE SIZE METRIC:
- 66.35 MM
- RIDING STYLE:
- SNOW
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
- DISPLACEMENT:
- 438 CC
- STROKE LENGTH METRIC:
- 63.00 MM
MSRP: $59.11Now: $38.00Was: $59.11 -
PARTS UNLIMITED Ring Set R09-709-02
PARTS UNLIMITED
$13.21A worn or damaged ring set directly compromises compression, oil control, and combustion efficiency—all critical factors that determine whether your engine performs at peak power or struggles with blow-by and loss of power. The PARTS UNLIMITED Ring Set...09120611- SKU:
- 09120611
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- PISTON RING
- BORE SIZE METRIC:
- 62.80 MM
- UNITS:
- SET
- PISTON MATERIAL:
- ALUMINUM
- PISTON SIZE IMPERIAL:
- +0.020'
- RIDING STYLE:
- SNOW
$13.21
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.
