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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
  • Wiseco Piston Kit for Ski-Doo 800R E-TEC 2012-2017 SK1219

    Wiseco Piston Kit for Ski-Doo 800R E-TEC 2012-2017 SK1219

    WISECO

    $379.95
    When you're pushing your Ski-Doo 800R E-TEC to its limits, stock pistons become your bottleneck. The Wiseco Piston Kit delivers the thermal stability and structural integrity you need to handle sustained high-RPM operation without sacrificing reliability...
    09031198
    SKU:
    09031198
    Availability:
    Ships Same Business Day
    Weight:
    2.60 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    ENGINE TYPE:
    2-STROKE
    PISTON DIAMETER METRIC:
    75.90 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    SKIRT COATING:
    ARMORGLIDE®
    UNITS:
    KIT
    BORE SIZE METRIC:
    76.00 MM
    COOLING SYSTEM:
    LIQUID COOLED
    DISPLACEMENT:
    581 CC
    MODEL:
    PRO-LITE
    PRODUCT NAME:
    REBUILD KIT
    STROKE LENGTH METRIC:
    64.00 MM
    TYPE:
    TOP END
    RIDING STYLE:
    SNOW
    $379.95
    Qty in Cart: 0
    Quantity:
    Price:
    $379.95
    Subtotal:
  • Wiseco Piston Kit 76.50mm for Ski-Doo Formula 583 1997-1999 SK1220

    Wiseco Piston Kit 76.50mm for Ski-Doo Formula 583 1997-1999 SK1220

    WISECO

    $379.95
    A worn or damaged piston compromises your Ski-Doo Formula 583's performance and reliability, especially under the stress of aggressive riding. The Wiseco SK1220 Piston Kit delivers a complete top-end rebuild solution with forged-aluminum pistons...
    09031199
    SKU:
    09031199
    Availability:
    Ships Same Business Day
    Weight:
    2.65 LBS
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    BORE - OVERSIZE METRIC:
    +0.50 MM
    BORE SIZE METRIC:
    76.00 MM
    COOLING SYSTEM:
    LIQUID COOLED
    DISPLACEMENT:
    588 CC
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    TOP END
    BORE - OVERSIZE:
    +0,50 MM
    SKIRT COATING:
    ARMORGLIDE®
    UNITS:
    KIT
    MODEL:
    PRO-LITE
    PISTON DIAMETER METRIC:
    76.40 MM
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    64.00 MM
    $379.95
    Qty in Cart: 0
    Quantity:
    Price:
    $379.95
    Subtotal:
  • Wiseco Piston Kit for 1994-1999 Ski-Doo Formula Z 583 76.00mm SK1223

    Wiseco Piston Kit for 1994-1999 Ski-Doo Formula Z 583 76.00mm SK1223

    WISECO

    $414.95
    When your Ski-Doo Formula Z 583 demands maximum reliability and consistent power delivery, OEM pistons won't cut it—Wiseco forged units are engineered to handle sustained high RPM loads with minimal thermal growth and superior ring seal. This complete...
    09031202
    SKU:
    09031202
    Availability:
    Ships Same Business Day
    Weight:
    2.70 LBS
    MODEL:
    PRO-LITE
    TYPE:
    TOP END
    UNITS:
    KIT
    DISPLACEMENT:
    611 CC
    PISTON DIAMETER METRIC:
    77.90 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    64.00 MM
    BORE - OVERSIZE:
    +2,00 MM
    BORE - OVERSIZE METRIC:
    +2.00 MM
    ENGINE TYPE:
    2-STROKE
    BORE SIZE METRIC:
    76.00 MM
    COOLING SYSTEM:
    LIQUID COOLED
    PISTON SIZE METRIC:
    +2.00 MM
    PRODUCT NAME:
    REBUILD KIT
    SKIRT COATING:
    ARMORGLIDE®
    $414.95
    Qty in Cart: 0
    Quantity:
    Price:
    $414.95
    Subtotal:
  • Wiseco Piston Kit Ski-Doo 583 1994-1998 SK1228

    Wiseco Piston Kit Ski-Doo 583 1994-1998 SK1228

    WISECO

    $424.95
    If you're pushing your Ski-Doo 583 hard, factory pistons won't cut it—Wiseco's high-silicone forged design delivers the strength and thermal stability needed for sustained performance and reliability. This complete top-end kit eliminates guesswork with...
    09031203
    SKU:
    09031203
    Availability:
    Ships Same Business Day
    Weight:
    2.85 LBS
    DISPLACEMENT:
    596 CC
    ENGINE TYPE:
    2-STROKE
    TYPE:
    TOP END
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    +1.00 MM
    BORE - OVERSIZE:
    +1,00 MM
    MODEL:
    PRO-LITE
    PISTON DIAMETER METRIC:
    76.90 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    64.00 MM
    BORE SIZE METRIC:
    76.00 MM
    COOLING SYSTEM:
    LIQUID COOLED
    PRODUCT NAME:
    REBUILD KIT
    SKIRT COATING:
    ARMORGLIDE®
    $424.95
    Qty in Cart: 0
    Quantity:
    Price:
    $424.95
    Subtotal:
  • 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

    $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 thermal stability necessary to maintain compression 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
    $414.95
    Qty in Cart: 0
    Quantity:
    Price:
    $414.95
    Subtotal:
  • Wossner Piston Ring Set Arctic Cat Sno Pro 500 2010 RST7100

    Wossner Piston Ring Set Arctic Cat Sno Pro 500 2010 RST7100

    WOSSNER

    $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 is engineered to match their piston specifications...
    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
    $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    $18.50
    Subtotal:
  • Wossner Piston Ring Set Arctic Cat ZR 600 1998-2000 RST7900

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

    WOSSNER

    $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 power output and increase oil consumption—a...
    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
    $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    $18.50
    Subtotal:
  • Wossner Piston Ring Set for 2012 Polaris 600 IQ Racer RST7380

    Wossner Piston Ring Set for 2012 Polaris 600 IQ Racer RST7380

    WOSSNER

    $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 the precision fit and material durability required to...
    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
    $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    $18.50
    Subtotal:
  • Wossner Piston Ring Set Arctic Cat Thundercat 1993-1997 RST8100

    Wossner Piston Ring Set Arctic Cat Thundercat 1993-1997 RST8100

    WOSSNER

    $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 restores proper cylinder sealing with...
    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
    $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    $18.50
    Subtotal:
  • Wossner Piston Ring Set 86mm Yamaha 760 1200 1996-2005 RST8600

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

    WOSSNER

    $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 engineered for Yamaha 760cc and 1200cc engines,...
    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
    $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    $18.50
    Subtotal:
  • 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

    $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 fitment and optimized sealing geometry to restore your...
    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
    $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    $18.50
    Subtotal:
  • Wossner Piston Ring Set Arctic Cat M8 153 2009 RST8500

    Wossner Piston Ring Set Arctic Cat M8 153 2009 RST8500

    WOSSNER

    $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 engineered specifically for Wossner pistons to restore...
    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
    $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    $18.50
    Subtotal:
  • Wossner Piston Ring Set Arctic Cat Thundercat 1993-1997 RST7650

    Wossner Piston Ring Set Arctic Cat Thundercat 1993-1997 RST7650

    WOSSNER

    $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
    $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    $18.50
    Subtotal:
  • 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

    $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
    $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    $18.50
    Subtotal:
  • Wossner Piston Ring Set for Yamaha PZ480 Phazer 1984-1989 RST7300

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

    WOSSNER

    $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
    $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    $18.50
    Subtotal:
  • Wossner Piston Ring Set Yamaha PZ480 Phazer II 1990-1996 RST7400

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

    WOSSNER

    $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
    $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    $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:
  • 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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