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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PARTS UNLIMITED Boost Pressure Sensor S14-8012
PARTS UNLIMITED
$79.45Accurate boost pressure measurement is critical for safe and consistent forced-induction performance. The PARTS UNLIMITED Boost Pressure Sensor S14-8012 delivers reliable real-time data to your engine control unit, enabling proper fuel mapping and...09500976- SKU:
- 09500976
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- SENSOR
- TYPE:
- PRESSURE
- RIDING STYLE:
- SNOW
- UNITS:
- EACH
$79.45 -
PARTS UNLIMITED Piston Assembly - Polaris - +.020 8053-1
PARTS UNLIMITED
$55.03When your Polaris engine has seen some miles, piston wear directly impacts compression, power delivery, and fuel efficiency. The PARTS UNLIMITED Piston Assembly restores your engine to OEM performance specifications with precision-cast pistons engineered...80531- SKU:
- 80531
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- PRODUCT NAME:
- PISTON KIT
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- DISPLACEMENT:
- 500 CC
- UNITS:
- EACH
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 60.00 MM
- BORE - OVERSIZE:
- +0,010'
- BORE SIZE METRIC:
- 72.00 MM
- PISTON MATERIAL:
- ALUMINUM
$55.03Qty in Cart: 0Quantity:Price:$55.03Subtotal: -
PARTS UNLIMITED Piston Assembly - Polaris - +.020 8053-2
PARTS UNLIMITED
$57.19When your Polaris engine demands precision and reliability at high RPM, OEM-spec pistons become non-negotiable. This PARTS UNLIMITED piston assembly delivers the exact fitment and thermal performance your engine needs to maintain power without compromise...80532- SKU:
- 80532
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE:
- +0,020'
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- DISPLACEMENT:
- 500 CC
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- PISTON MATERIAL:
- ALUMINUM
- BORE SIZE METRIC:
- 72.00 MM
- STROKE LENGTH METRIC:
- 60.00 MM
- UNITS:
- EACH
$57.19 -
On Sale
PARTS UNLIMITED Piston Assembly - John Deere - Standard 8041
PARTS UNLIMITED
MSRP: $44.95Now: $29.00Was: $44.95A worn or damaged piston assembly directly compromises engine efficiency, compression, and longevity—making this OEM-equivalent replacement essential for restoring your John Deere 8041 to factory performance. PARTS UNLIMITED pistons are cast to precise...8041- SKU:
- 8041
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- BORE SIZE METRIC:
- 66.00 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 438 CC
- STROKE LENGTH METRIC:
- 64.00 MM
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM
MSRP: $44.95Now: $29.00Was: $44.95 -
On Sale
PARTS UNLIMITED Piston Assembly - John Deere - +.010 8041-1
PARTS UNLIMITED
MSRP: $44.95Now: $29.00Was: $44.95When combustion chamber temperatures spike, stock pistons can't keep up—leading to premature wear, carbon buildup, and lost power. The PARTS UNLIMITED Piston Assembly for John Deere maintains OEM-level performance while delivering superior heat...80411- SKU:
- 80411
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- BORE SIZE METRIC:
- 66.00 MM
- DISPLACEMENT:
- 438 CC
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,010'
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 64.00 MM
MSRP: $44.95Now: $29.00Was: $44.95 -
On Sale
PARTS UNLIMITED Piston Assembly - John Deere - Standard 8049
PARTS UNLIMITED
MSRP: $34.95Now: $22.00Was: $34.95If you're running a John Deere engine that's seeing hard hours in the field or on the track, piston failure isn't just an inconvenience—it's downtime you can't afford. The PARTS UNLIMITED Piston Assembly delivers OEM-matched performance with optimized...8049- SKU:
- 8049
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM
- DISPLACEMENT:
- 339 CC
- STROKE LENGTH METRIC:
- 64.00 MM
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- UNITS:
- EACH
- BORE SIZE METRIC:
- 58.00 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
MSRP: $34.95Now: $22.00Was: $34.95 -
On Sale
PARTS UNLIMITED Piston Assembly - John Deere - Standard 8038
PARTS UNLIMITED
MSRP: $34.95Now: $22.00Was: $34.95A worn or damaged piston assembly directly impacts engine efficiency, compression, and overall performance—making it one of the most critical components in your John Deere's combustion cycle. This PARTS UNLIMITED piston assembly is engineered to match...8038- SKU:
- 8038
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- BORE SIZE METRIC:
- 58.00 MM
- STROKE LENGTH METRIC:
- 64.00 MM
- DISPLACEMENT:
- 338 CC
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM
- BORE - OVERSIZE:
- STANDARD
- UNITS:
- EACH
MSRP: $34.95Now: $22.00Was: $34.95 -
PARTS UNLIMITED Piston Assembly - Arctic Cat - Standard 3004762
PARTS UNLIMITED
$69.91A piston assembly is the heart of your engine's combustion cycle—when it fails or wears, your entire power delivery suffers. The PARTS UNLIMITED Piston Assembly for Arctic Cat delivers OEM-matched performance and reliability, engineered to handle the...09100551- SKU:
- 09100551
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 65.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 794 CC
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
- BORE SIZE METRIC:
- 72.00 MM
$69.91 -
PARTS UNLIMITED Piston Assembly - Polaris - Standard PU0910-0554
PARTS UNLIMITED
$77.33A worn or damaged piston assembly compromises combustion efficiency, reliability, and engine longevity. The PARTS UNLIMITED Piston Assembly delivers OEM-matched performance with superior heat dissipation engineered directly into the casting, ensuring...09100554- SKU:
- 09100554
- Availability:
- Ships Same Business Day
- Weight:
- 1.17 LBS
- BORE SIZE METRIC:
- 81.00 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- PISTON MATERIAL:
- ALUMINUM
- STROKE LENGTH METRIC:
- 66.50 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 700 CC
$77.33 -
On Sale
PARTS UNLIMITED Piston Assembly - Polaris - Standard 2201153
PARTS UNLIMITED
MSRP: $61.43Now: $38.00Was: $61.43A worn or damaged piston directly compromises combustion efficiency, power output, and engine longevity. The PARTS UNLIMITED Piston Assembly for Polaris restores OEM-equivalent performance with precision-cast construction and optimized thermal transfer,...09100555- SKU:
- 09100555
- Availability:
- Ships Same Business Day
- Weight:
- 0.86 LBS
- BORE - OVERSIZE:
- STANDARD
- STROKE LENGTH METRIC:
- 60.00 MM
- UNITS:
- EACH
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- BORE SIZE METRIC:
- 66.00 MM
- PRODUCT NAME:
- PISTON KIT
- DISPLACEMENT:
- 440 CC
- RIDING STYLE:
- SNOW
- PISTON MATERIAL:
- ALUMINUM
MSRP: $61.43Now: $38.00Was: $61.43 -
L.A. Sleeve Cylinder Sleeve 81mm Bore Polaris 700 RMK 1997-1999 FL1221
LA SLEEVE
$160.95Worn cylinder walls will rob your Polaris 700 RMK of compression, power, and reliability. A quality sleeve restores bore geometry and ring sealing, bringing your engine back to original performance specifications without a full rebuild. The LA SLEEVE...FL1221- SKU:
- FL1221
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- BORE SIZE METRIC:
- 81.00 MM
- UNITS:
- EACH
- COLOR/FINISH:
- ALUMINUM
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
- PRODUCT NAME:
- CYLINDER SLEEVE
- RIDING STYLE:
- SNOW
- TYPE:
- AC
$160.95 -
LA Sleeve Cylinder Sleeve for Ski-Doo MX Z 500 Trail 2001 FL1286
LA SLEEVE
$160.95Engine wear is inevitable in high-performance and trail riding conditions, but a degraded cylinder sleeve doesn't mean you need a complete engine rebuild. The LA Sleeve FL1286 restores compression and sealing efficiency in your Ski-Doo MX Z 500 Trail,...09310481- SKU:
- 09310481
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- UNITS:
- EACH
- BORE SIZE METRIC:
- 69.50 MM
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
- RIDING STYLE:
- SNOW
- COLOR/FINISH:
- ALUMINUM
- PRODUCT NAME:
- CYLINDER SLEEVE
- TYPE:
- RS
$160.95 -
On Sale
Wiseco Piston Kit 69.25mm for Polaris 440 1992-1998 2343M06925
WISECO
MSRP: $144.95Now: $123.00Was: $144.95A worn or damaged piston directly impacts engine efficiency, throttle response, and overall reliability—especially in high-demand applications like racing or frequent trail use. The Wiseco 2343M06925 delivers the precision fit and combustion optimization...09103992- SKU:
- 09103992
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 60.00 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 452 CC
- RIDING STYLE:
- SNOW
- ENGINE TYPE:
- 2-STROKE
- BORE SIZE METRIC:
- 67.75 MM
MSRP: $144.95Now: $123.00Was: $144.95 -
L.A. Sleeve Cylinder Sleeve for Polaris 550 Classic 2002-2006 FL1251
LA SLEEVE
$160.95If your Polaris 550 Classic engine shows signs of scoring, wear, or loss of compression, a cylinder sleeve restoration is often the most cost-effective path to full performance recovery without complete engine replacement. The L.A. Sleeve FL1251 is...FL1251- SKU:
- FL1251
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
- RIDING STYLE:
- SNOW
- BORE SIZE METRIC:
- 73.00 MM
- PRODUCT NAME:
- CYLINDER SLEEVE
- COLOR/FINISH:
- ALUMINUM
- TYPE:
- CI
- UNITS:
- EACH
$160.95 -
LA Sleeve Cylinder Sleeve 76mm Bore Ski-Doo MX Z Sport 600 Carb 2012-2020 FL1255
LA SLEEVE
$160.95A worn or damaged cylinder sleeve compromises compression, reduces power output, and accelerates further engine wear. The LA SLEEVE FL1255 restores your MX Z Sport 600's original bore specifications, helping you regain lost performance and reliability...FL1255- SKU:
- FL1255
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- PRODUCT NAME:
- CYLINDER SLEEVE
- TYPE:
- RS
- BORE SIZE METRIC:
- 76.00 MM
- COLOR/FINISH:
- ALUMINUM
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
- RIDING STYLE:
- SNOW
- UNITS:
- EACH
$160.95Qty in Cart: 0Quantity:Price:$160.95Subtotal: -
On Sale
L.A. SLEEVE Cylinder Sleeve 82mm AC Ski-Doo MX Z 800 2001-2007 FL1267
LA SLEEVE
MSRP: $163.95Now: $105.00Was: $163.95Worn cylinder walls compromise your MX Z 800's power delivery and fuel efficiency. This L.A. SLEEVE cylinder sleeve restores factory precision tolerances, allowing your piston rings to seal properly and recover lost compression. Whether you're a weekend...FL1267- SKU:
- FL1267
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- ALUMINUM
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
- PRODUCT NAME:
- CYLINDER SLEEVE
- TYPE:
- AC
- BORE SIZE METRIC:
- 82.00 MM
- RIDING STYLE:
- SNOW
MSRP: $163.95Now: $105.00Was: $163.95Qty in Cart: 0Quantity:Price:MSRP: $163.95Now: $105.00Was: $163.95Subtotal: -
LA Sleeve Cylinder Sleeve 78mm Bore Arctic Cat ZL 600 EFI 2001-2003 FL1271
LA SLEEVE
$160.95A worn cylinder sleeve compromises compression, reduces power output, and accelerates engine degradation. The LA SLEEVE FL1271 restores your Arctic Cat ZL 600 EFI to factory specifications, eliminating blow-by and restoring the thermal efficiency your...FL1271- SKU:
- FL1271
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- ALUMINUM
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
- PRODUCT NAME:
- CYLINDER SLEEVE
- TYPE:
- AC
- BORE SIZE METRIC:
- 78.00 MM
- RIDING STYLE:
- SNOW
$160.95 -
LA Sleeve Cylinder Sleeve for Ski-Doo Formula Z 500 1999 FL1224
LA SLEEVE
$160.95When your Ski-Doo Formula Z 500 starts showing signs of cylinder wear—loss of compression, increased blow-by, or sluggish throttle response—a cylinder sleeve restoration is often the most cost-effective path back to reliable performance. The LA SLEEVE...09310312- SKU:
- 09310312
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- COLOR/FINISH:
- ALUMINUM
- RIDING STYLE:
- SNOW
- BORE SIZE METRIC:
- 69.50 MM
- UNITS:
- EACH
- CYLINDER BORE COATING:
- CHROME-MOLY ALLOY
- PRODUCT NAME:
- CYLINDER SLEEVE
- TYPE:
- RS
$160.95Qty in Cart: 0Quantity:Price:$160.95Subtotal: -
FETT BROTHERS Offset Timing Key - Arctic Cat CTR010
FETT BROTHERS
$31.99If you're running a stock or modified Arctic Cat CTR010, timing advance is one of the most straightforward ways to unlock additional horsepower and sharper throttle response without major engine work. The FETT BROTHERS Offset Timing Key allows you to...09220067- SKU:
- 09220067
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- EACH
- DEGREES OFFSET:
- 1,0°
- DEGREES OFFSET IMPERIAL:
- 1.0°
- TYPE:
- OFFSET TIMING
- PRODUCT NAME:
- KEY
- RIDING STYLE:
- SNOW
$31.99Qty in Cart: 0Quantity:Price:$31.99Subtotal: -
FETT BROTHERS Offset Timing Key - Polaris PLW010
FETT BROTHERS
$31.99If you're running a Polaris with a fixed stator plate, timing advance is one of the most straightforward ways to unlock additional horsepower and throttle response without major engine modifications. The FETT BROTHERS Offset Timing Key delivers up to 2...09220075- SKU:
- 09220075
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- RIDING STYLE:
- SNOW
- TYPE:
- OFFSET TIMING
- DEGREES OFFSET:
- 1,5°
- DEGREES OFFSET IMPERIAL:
- 1.5°
- PRODUCT NAME:
- KEY
- UNITS:
- EACH
$31.99Qty in Cart: 0Quantity:Price:$31.99Subtotal:
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.
