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Snowmobile Engine

Snowmobile Engine

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

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
    Wiseco Piston Kit for 2025 Ski-Doo Summit X 154 850 E-TEC SHOT PowderMax Light 2.5 10.25 in. Touchscreen HAC SK1234

    Wiseco Piston Kit for 2025 Ski-Doo Summit X 154 850 E-TEC SHOT PowderMax Light 2.5 10.25 in. Touchscreen HAC SK1234

    WISECO

    MSRP: $414.95
    Now: $266.00
    Was: $414.95
    Your 2025 Ski-Doo Summit X 154's engine demands pistons that can handle sustained high RPMs and extreme sled conditions without failure. Wiseco's forged piston construction delivers the strength and...
    09031209
    SKU:
    09031209
    Availability:
    Ships Same Business Day
    Weight:
    2.85 LBS
    BORE SIZE METRIC:
    76.00 MM
    COOLING SYSTEM:
    LIQUID COOLED
    PRODUCT NAME:
    REBUILD KIT
    SKIRT COATING:
    ARMORGLIDE®
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    +1.50 MM
    DISPLACEMENT:
    640 CC
    ENGINE TYPE:
    2-STROKE
    BORE - OVERSIZE:
    +1,50 MM
    MODEL:
    PRO-LITE
    PISTON DIAMETER METRIC:
    77.40 MM
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    68.00 MM
    TYPE:
    TOP END
    MSRP: $414.95
    Now: $266.00
    Was: $414.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $414.95
    Now: $266.00
    Was: $414.95
    Subtotal:
  • On Sale
    Wossner Piston Ring Set Arctic Cat Sno Pro 500 2010 RST7100

    Wossner Piston Ring Set Arctic Cat Sno Pro 500 2010 RST7100

    WOSSNER

    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    If you're rebuilding a Wossner piston setup on your Arctic Cat Sno Pro 500, ring seal quality directly impacts combustion efficiency, power delivery, and engine longevity. Wossner's RST7100 ring set...
    09120869
    SKU:
    09120869
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BORE SIZE METRIC:
    71.00 MM
    PRODUCT NAME:
    RING SET
    RIDING STYLE:
    SNOW
    UNITS:
    EACH
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Subtotal:
  • On Sale
    Wossner Piston Ring Set Arctic Cat ZR 600 1998-2000 RST7900

    Wossner Piston Ring Set Arctic Cat ZR 600 1998-2000 RST7900

    WOSSNER

    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    If you're running a Wossner piston setup in your Arctic Cat ZR 600, this ring set is essential for maintaining the compression and sealing integrity your engine demands. Worn or mismatched rings kill...
    09120875
    SKU:
    09120875
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BORE SIZE METRIC:
    79.50 MM
    UNITS:
    EACH
    PRODUCT NAME:
    RING SET
    RIDING STYLE:
    SNOW
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Subtotal:
  • On Sale
    Wossner Piston Ring Set for 2012 Polaris 600 IQ Racer RST7380

    Wossner Piston Ring Set for 2012 Polaris 600 IQ Racer RST7380

    WOSSNER

    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Maintaining proper ring seal is critical for maximizing compression, controlling oil consumption, and extending engine life in high-output applications. The Wossner RST7380 piston ring set delivers...
    09120877
    SKU:
    09120877
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    SNOW
    BORE SIZE METRIC:
    73.80 MM
    PRODUCT NAME:
    RING SET
    UNITS:
    EACH
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Subtotal:
  • On Sale
    Wossner Piston Ring Set Arctic Cat Thundercat 1993-1997 RST8100

    Wossner Piston Ring Set Arctic Cat Thundercat 1993-1997 RST8100

    WOSSNER

    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Worn piston rings compromise combustion efficiency and allow blow-by gases to escape past the ring lands, degrading power output and increasing oil consumption. The Wossner Piston Ring Set RST8100...
    09120878
    SKU:
    09120878
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    EACH
    BORE SIZE METRIC:
    81.00 MM
    PRODUCT NAME:
    RING SET
    RIDING STYLE:
    SNOW
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Subtotal:
  • On Sale
    Wossner Piston Ring Set 86mm Yamaha 760 1200 1996-2005 RST8600

    Wossner Piston Ring Set 86mm Yamaha 760 1200 1996-2005 RST8600

    WOSSNER

    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    A worn or incorrectly sealed piston ring set directly impacts compression, fuel economy, and engine longevity. The Wössner RST8600 delivers OEM-grade compression sealing and oil control specifically...
    09120880
    SKU:
    09120880
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    SNOW
    PRODUCT NAME:
    RING SET
    UNITS:
    EACH
    BORE SIZE METRIC:
    86.00 MM
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Subtotal:
  • On Sale
    Wossner Piston Ring Set for 1995-2001 Arctic Cat ZRT 800 RST7200

    Wossner Piston Ring Set for 1995-2001 Arctic Cat ZRT 800 RST7200

    WOSSNER

    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    If you're rebuilding your Arctic Cat ZRT 800 engine, piston ring quality directly impacts compression, blow-by control, and overall power output. The Wossner RST7200 ring set delivers precision...
    09120881
    SKU:
    09120881
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BORE SIZE METRIC:
    72.00 MM
    UNITS:
    EACH
    PRODUCT NAME:
    RING SET
    RIDING STYLE:
    SNOW
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Subtotal:
  • On Sale
    Wossner Piston Ring Set Arctic Cat M8 153 2009 RST8500

    Wossner Piston Ring Set Arctic Cat M8 153 2009 RST8500

    WOSSNER

    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Factory piston rings wear out faster than you'd expect—especially in a high-compression beast like the M8 153—leading to blow-by, oil burning, and lost power. The Wossner Piston Ring Set RST8500 is...
    09120882
    SKU:
    09120882
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    SNOW
    PRODUCT NAME:
    RING SET
    UNITS:
    EACH
    BORE SIZE METRIC:
    85.00 MM
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Subtotal:
  • On Sale
    Wossner Piston Ring Set Arctic Cat Thundercat 1993-1997 RST7650

    Wossner Piston Ring Set Arctic Cat Thundercat 1993-1997 RST7650

    WOSSNER

    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Worn or damaged piston rings compromise engine compression, increase blow-by, and rob your Thundercat of power and efficiency. The Wossner Piston Ring Set RST7650 restores proper ring seal and...
    09120883
    SKU:
    09120883
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BORE SIZE METRIC:
    76.50 MM
    PRODUCT NAME:
    RING SET
    RIDING STYLE:
    SNOW
    UNITS:
    EACH
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Subtotal:
  • On Sale
    Wossner Piston Ring Set for Arctic Cat Thundercat 900 1993-1997 RST8050

    Wossner Piston Ring Set for Arctic Cat Thundercat 900 1993-1997 RST8050

    WOSSNER

    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    If you're running a Wossner piston setup in your Arctic Cat Thundercat 900, ring selection directly impacts compression sealing, blow-by control, and oil consumption—all critical for sustained...
    09120884
    SKU:
    09120884
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BORE SIZE METRIC:
    80.50 MM
    RIDING STYLE:
    SNOW
    PRODUCT NAME:
    RING SET
    UNITS:
    EACH
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Subtotal:
  • On Sale
    Wossner Piston Ring Set for Yamaha PZ480 Phazer 1984-1989 RST7300

    Wossner Piston Ring Set for Yamaha PZ480 Phazer 1984-1989 RST7300

    WOSSNER

    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    If you're running a Yamaha PZ480 Phazer with Wossner pistons, ring wear is inevitable—and worn rings mean blow-by, oil consumption, and lost compression. The Wossner Piston Ring Set RST7300 restores...
    09120889
    SKU:
    09120889
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    SNOW
    PRODUCT NAME:
    RING SET
    UNITS:
    EACH
    BORE SIZE METRIC:
    73.00 MM
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Subtotal:
  • On Sale
    Wossner Piston Ring Set Yamaha PZ480 Phazer II 1990-1996 RST7400

    Wossner Piston Ring Set Yamaha PZ480 Phazer II 1990-1996 RST7400

    WOSSNER

    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    If you're running Wossner pistons in your Yamaha Phazer II, the factory ring set won't cut it—you need rings engineered to match the precision of your upgraded pistons. The RST7400 delivers the...
    09120891
    SKU:
    09120891
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    RING SET
    RIDING STYLE:
    SNOW
    BORE SIZE METRIC:
    74.00 MM
    UNITS:
    EACH
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Subtotal:
  • Kimpex Recoil Starter Spring for Yamaha SX Venom ER 2004-2006 100768

    Kimpex Recoil Starter Spring for Yamaha SX Venom ER 2004-2006 100768

    KIMPEX

    $19.69
    A worn or damaged recoil starter spring compromises cold-start reliability and forces you into frustrating pull cycles on the water or trail. The KIMPEX Recoil Starter Spring restores the crisp,...
    09360031
    SKU:
    09360031
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    PRODUCT NAME:
    SPRING
    RIDING STYLE:
    SNOW
    TYPE:
    RECOIL
    Qty in Cart: 0
    Quantity:
    Price:
    $19.69
    Subtotal:
  • Kimpex Starter Handle for Ski-Doo GSX 600 2004 113537

    Kimpex Starter Handle for Ski-Doo GSX 600 2004 113537

    KIMPEX

    $7.80
    Cold starts demand a reliable grip—and bulky winter gloves make precision difficult. The KIMPEX Starter Handle for Ski-Doo GSX 600 delivers the ergonomic leverage and oversized design you need to...
    09360032
    SKU:
    09360032
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    BASE COLOR:
    BLACK
    STYLE:
    OEM
    UNITS:
    EACH
    TYPE:
    STARTER
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    HANDLE
    RIDING STYLE:
    SNOW
    $7.80
    Qty in Cart: 0
    Quantity:
    Price:
    $7.80
    Subtotal:
  • Kimpex Recoil Pawl Kit for Yamaha BR250T Bravo 2007-2009 305018 Kimpex Recoil Pawl Kit for Yamaha BR250T Bravo 2007-2009 305018

    Kimpex Recoil Pawl Kit for Yamaha BR250T Bravo 2007-2009 305018

    KIMPEX

    $16.50
    A worn or damaged recoil pawl directly impacts your Yamaha BR250T's cold-start reliability—this KIMPEX kit restores that critical function to OEM specifications. If your starter feels sluggish or...
    09360035
    SKU:
    09360035
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    SNOW
    UNITS:
    KIT
    PRODUCT NAME:
    PAWL KIT
    TYPE:
    RECOIL STARTER
    Qty in Cart: 0
    Quantity:
    Price:
    $16.50
    Subtotal:
  • PROX Gasket Kit with Oil Seals - Ski Doo 550 34.5503

    PROX Gasket Kit with Oil Seals - Ski Doo 550 34.5503

    PROX

    $49.95
    Engine gasket and seal degradation is one of the most common causes of power loss and fluid leaks in high-performance snowmobiles. The PROX Gasket Kit with Oil Seals for Ski-Doo 550 engines delivers...
    09346593
    SKU:
    09346593
    Availability:
    Ships Same Business Day
    Weight:
    0.36 LBS
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    SNOW
    FEATURES:
    INCLUDES OIL SEAL
    UNITS:
    KIT
    TYPE:
    ENGINE
    $49.95
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • PROX Gasket Kit with Oil Seals - Ski Doo 600 34.5600

    PROX Gasket Kit with Oil Seals - Ski Doo 600 34.5600

    PROX

    $94.95
    A complete gasket and oil seal refresh is essential for maintaining compression integrity and preventing fluid leakage in your Ski-Doo 600 engine. Factory gaskets degrade over time, compromising...
    09346595
    SKU:
    09346595
    Availability:
    Ships Same Business Day
    Weight:
    0.51 LBS
    FEATURES:
    INCLUDES OIL SEAL
    UNITS:
    KIT
    RIDING STYLE:
    SNOW
    TYPE:
    ENGINE
    PRODUCT NAME:
    GASKET
    Qty in Cart: 0
    Quantity:
    Price:
    $94.95
    Subtotal:
  • PROX Gasket Kit with Oil Seals - Polaris 600 34.5604

    PROX Gasket Kit with Oil Seals - Polaris 600 34.5604

    PROX

    $109.95
    Engine seal integrity is critical to preventing oil leakage and maintaining proper combustion chamber pressure in your Polaris 600. A compromised gasket or oil seal can lead to performance loss,...
    09346597
    SKU:
    09346597
    Availability:
    Ships Same Business Day
    Weight:
    0.46 LBS
    FEATURES:
    INCLUDES OIL SEAL
    TYPE:
    ENGINE
    UNITS:
    KIT
    RIDING STYLE:
    SNOW
    PRODUCT NAME:
    GASKET
    Qty in Cart: 0
    Quantity:
    Price:
    $109.95
    Subtotal:
  • PROX Gasket Kit with Oil Seals - Polaris 800 34.5609

    PROX Gasket Kit with Oil Seals - Polaris 800 34.5609

    PROX

    $104.95
    Engine gaskets and oil seals are critical wear items that directly impact engine reliability and longevity. A compromised gasket or worn seal can lead to oil leakage, combustion chamber...
    09346598
    SKU:
    09346598
    Availability:
    Ships Same Business Day
    Weight:
    0.41 LBS
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    SNOW
    FEATURES:
    INCLUDES OIL SEAL
    UNITS:
    KIT
    TYPE:
    ENGINE
    $104.95
    Qty in Cart: 0
    Quantity:
    Price:
    $104.95
    Subtotal:
  • PROX Gasket Kit with Oil Seals - Polaris 600 HO IQ 34.5610

    PROX Gasket Kit with Oil Seals - Polaris 600 HO IQ 34.5610

    PROX

    $64.95
    Engine seals and gaskets are critical wear items that directly impact engine longevity and reliability. A degraded gasket kit leads to oil leakage, compression loss, and potential catastrophic engine...
    09346599
    SKU:
    09346599
    Availability:
    Ships Same Business Day
    Weight:
    0.46 LBS
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    SNOW
    TYPE:
    ENGINE
    FEATURES:
    INCLUDES OIL SEAL
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $64.95
    Subtotal:
  • Total: items /

Adding your products to cart

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)

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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