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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
    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: $12.00
    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 minimizes friction loss, allowing your engine to deliver...
    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: $12.00
    Was: $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18.50
    Now: $12.00
    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: $12.00
    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 performance and engine longevity. The RST8050 is engineered...
    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: $12.00
    Was: $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18.50
    Now: $12.00
    Was: $18.50
    Subtotal:
  • On Sale
    Wossner Piston Ring Set for Polaris 500 Classic 1999-2006 RSB7300

    Wossner Piston Ring Set for Polaris 500 Classic 1999-2006 RSB7300

    WOSSNER

    MSRP: $18.50
    Now: $12.00
    Was: $18.50
    When you're rebuilding your Polaris 500 Classic engine, piston ring quality directly impacts compression, blow-by control, and overall power delivery. Wossner rings are engineered to maintain precise tolerances and superior sealing across the entire RPM...
    09120887
    SKU:
    09120887
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    RING SET
    UNITS:
    EACH
    RIDING STYLE:
    SNOW
    BORE SIZE METRIC:
    73.00 MM
    MSRP: $18.50
    Now: $12.00
    Was: $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18.50
    Now: $12.00
    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: $12.00
    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 proper sealing and combustion efficiency, bringing your...
    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: $12.00
    Was: $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18.50
    Now: $12.00
    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: $12.00
    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 sealing integrity and durability required to handle...
    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: $12.00
    Was: $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18.50
    Now: $12.00
    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, consistent engagement your Yamaha SX Venom ER demands,...
    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
    $19.69
    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 fire up your sled confidently, even in subzero conditions...
    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
    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 fails to engage smoothly, this is a straightforward...
    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:
  • On Sale
    PROX Gasket Kit with Oil Seals - Ski Doo 550 34.5503

    PROX Gasket Kit with Oil Seals - Ski Doo 550 34.5503

    PROX

    MSRP: $49.95
    Now: $42.00
    Was: $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 factory-spec reliability with precision-cut components...
    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
    MSRP: $49.95
    Now: $42.00
    Was: $49.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $49.95
    Now: $42.00
    Was: $49.95
    Subtotal:
  • On Sale
    PROX Gasket Kit with Oil Seals - Ski Doo 600 34.5600

    PROX Gasket Kit with Oil Seals - Ski Doo 600 34.5600

    PROX

    MSRP: $94.95
    Now: $81.00
    Was: $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 performance and risking internal damage. This PROX kit...
    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
    MSRP: $94.95
    Now: $81.00
    Was: $94.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $94.95
    Now: $81.00
    Was: $94.95
    Subtotal:
  • On Sale
    PROX Gasket Kit with Oil Seals - Polaris 600 34.5604

    PROX Gasket Kit with Oil Seals - Polaris 600 34.5604

    PROX

    MSRP: $109.95
    Now: $93.00
    Was: $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, engine damage, and costly repairs down the line. The PROX...
    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
    MSRP: $109.95
    Now: $93.00
    Was: $109.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $109.95
    Now: $93.00
    Was: $109.95
    Subtotal:
  • On Sale
    PROX Gasket Kit with Oil Seals - Polaris 800 34.5609

    PROX Gasket Kit with Oil Seals - Polaris 800 34.5609

    PROX

    MSRP: $104.95
    Now: $89.00
    Was: $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 contamination, and catastrophic engine failure. The PROX Gasket Kit...
    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
    MSRP: $104.95
    Now: $89.00
    Was: $104.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $104.95
    Now: $89.00
    Was: $104.95
    Subtotal:
  • On Sale
    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

    MSRP: $64.95
    Now: $55.00
    Was: $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 failure—especially in high-performance applications...
    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
    MSRP: $64.95
    Now: $55.00
    Was: $64.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $64.95
    Now: $55.00
    Was: $64.95
    Subtotal:
  • On Sale
    PROX Gasket Kit with Oil Seals - Ski Doo 600 ETEC 34.5613

    PROX Gasket Kit with Oil Seals - Ski Doo 600 ETEC 34.5613

    PROX

    MSRP: $119.95
    Now: $102.00
    Was: $119.95
    Engine gaskets and oil seals are critical wear items that directly impact engine reliability, oil containment, and combustion efficiency. A failed gasket or seal can lead to oil leaks, contamination, and catastrophic engine damage—especially in...
    09346600
    SKU:
    09346600
    Availability:
    Ships Same Business Day
    Weight:
    0.51 LBS
    RIDING STYLE:
    SNOW
    FEATURES:
    INCLUDES OIL SEAL
    PRODUCT NAME:
    GASKET
    UNITS:
    KIT
    TYPE:
    ENGINE
    MSRP: $119.95
    Now: $102.00
    Was: $119.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $119.95
    Now: $102.00
    Was: $119.95
    Subtotal:
  • On Sale
    PROX Gasket Kit with Oil Seals - Ski Doo 800 34.5800

    PROX Gasket Kit with Oil Seals - Ski Doo 800 34.5800

    PROX

    MSRP: $114.95
    Now: $98.00
    Was: $114.95
    Engine gasket and oil seal degradation is one of the fastest ways to compromise engine integrity and performance on your Ski-Doo 800. This PROX gasket kit provides complete sealing coverage with OEM-equivalent materials, preventing oil leakage and...
    09346601
    SKU:
    09346601
    Availability:
    Ships Same Business Day
    Weight:
    0.46 LBS
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    SNOW
    TYPE:
    ENGINE
    FEATURES:
    INCLUDES OIL SEAL
    UNITS:
    KIT
    MSRP: $114.95
    Now: $98.00
    Was: $114.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $114.95
    Now: $98.00
    Was: $114.95
    Subtotal:
  • On Sale
    PROX Gasket Set with Oil Seal - SeaDoo 800 34.5808

    PROX Gasket Set with Oil Seal - SeaDoo 800 34.5808

    PROX

    MSRP: $129.95
    Now: $110.00
    Was: $129.95
    A worn or damaged gasket set can silently compromise your SeaDoo 800's reliability, leading to oil leaks, increased blow-by, and potential engine damage. This OEM-equivalent PROX gasket set with integrated oil seal ensures a complete, factory-level seal...
    09346602
    SKU:
    09346602
    Availability:
    Ships Same Business Day
    Weight:
    0.46 LBS
    UNITS:
    KIT
    FEATURES:
    INCLUDES OIL SEAL
    RIDING STYLE:
    SNOW
    TYPE:
    ENGINE
    PRODUCT NAME:
    GASKET
    MSRP: $129.95
    Now: $110.00
    Was: $129.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $129.95
    Now: $110.00
    Was: $129.95
    Subtotal:
  • On Sale
    PROX Gasket Kit with Oil Seals - Polaris 800 34.5812

    PROX Gasket Kit with Oil Seals - Polaris 800 34.5812

    PROX

    MSRP: $114.95
    Now: $98.00
    Was: $114.95
    A properly sealed engine is the foundation of reliable performance. This PROX gasket and oil seal kit eliminates leaks that compromise engine efficiency and longevity, ensuring your Polaris 800 maintains consistent power delivery and protection. Whether...
    09346604
    SKU:
    09346604
    Availability:
    Ships Same Business Day
    Weight:
    0.41 LBS
    UNITS:
    KIT
    FEATURES:
    INCLUDES OIL SEAL
    TYPE:
    ENGINE
    RIDING STYLE:
    SNOW
    PRODUCT NAME:
    GASKET
    MSRP: $114.95
    Now: $98.00
    Was: $114.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $114.95
    Now: $98.00
    Was: $114.95
    Subtotal:
  • On Sale
    PROX Gasket Kit with Oil Seals - Polaris 800 34.5813

    PROX Gasket Kit with Oil Seals - Polaris 800 34.5813

    PROX

    MSRP: $119.95
    Now: $102.00
    Was: $119.95
    A compromised gasket or worn oil seal can lead to catastrophic engine failure—leaks that go unnoticed become expensive problems fast. The PROX Gasket Kit with Oil Seals for Polaris 800 engines delivers OEM-quality sealing without the dealership markup,...
    09346605
    SKU:
    09346605
    Availability:
    Ships Same Business Day
    Weight:
    0.61 LBS
    UNITS:
    KIT
    FEATURES:
    INCLUDES OIL SEAL
    TYPE:
    ENGINE
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    SNOW
    MSRP: $119.95
    Now: $102.00
    Was: $119.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $119.95
    Now: $102.00
    Was: $119.95
    Subtotal:
  • On Sale
    PROX Gasket Kit with Oil Seals - Ski Doo 800 ETEC 34.5818

    PROX Gasket Kit with Oil Seals - Ski Doo 800 ETEC 34.5818

    PROX

    MSRP: $134.95
    Now: $115.00
    Was: $134.95
    Engine seals and gaskets deteriorate under extreme operating temperatures and pressure cycles, leading to oil leakage, performance loss, and catastrophic engine failure. The PROX Gasket Kit with Oil Seals restores critical compression and containment in...
    09346606
    SKU:
    09346606
    Availability:
    Ships Same Business Day
    Weight:
    0.46 LBS
    TYPE:
    ENGINE
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    SNOW
    FEATURES:
    INCLUDES OIL SEAL
    UNITS:
    KIT
    MSRP: $134.95
    Now: $115.00
    Was: $134.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $134.95
    Now: $115.00
    Was: $134.95
    Subtotal:
  • On Sale
    PROX Top End Gasket Kit - Venture Phazer 35.2599

    PROX Top End Gasket Kit - Venture Phazer 35.2599

    PROX

    MSRP: $29.95
    Now: $25.00
    Was: $29.95
    A quality top-end gasket kit is essential for maintaining a reliable seal in your Venture Phazer's combustion chamber, preventing coolant and oil leaks that compromise engine performance and longevity. PROX's gasket kit delivers OEM-equivalent precision...
    09346610
    SKU:
    09346610
    Availability:
    Ships Same Business Day
    Weight:
    0.26 LBS
    RIDING STYLE:
    SNOW
    PRODUCT NAME:
    GASKET SET
    TYPE:
    TOP END
    UNITS:
    SET
    MSRP: $29.95
    Now: $25.00
    Was: $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $29.95
    Now: $25.00
    Was: $29.95
    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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