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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
  •  VERTEX Oil Seal - Arctic Cat 55182

    VERTEX Oil Seal - Arctic Cat 55182

    VERTEX

    $20.38
    Oil seals are critical components that prevent fluid leakage and protect your engine's internal bearings from contamination—failure to maintain proper sealing can lead to catastrophic engine damage. The VERTEX Oil Seal for Arctic Cat 55182 is engineered...
    09351235
    SKU:
    09351235
    Availability:
    Ships Same Business Day
    Weight:
    0.34 LBS
    $20.38
    Qty in Cart: 0
    Quantity:
    Price:
    $20.38
    Subtotal:
  •  VERTEX Oil Seal - Arctic Cat 55223

    VERTEX Oil Seal - Arctic Cat 55223

    VERTEX

    $71.78
    Oil seals are critical to engine longevity—they prevent costly oil leakage that compromises lubrication and accelerates internal wear. The VERTEX Oil Seal 55223 is engineered to OEM specifications, delivering a precision fit that stops seepage before it...
    09351258
    SKU:
    09351258
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    $71.78
    Qty in Cart: 0
    Quantity:
    Price:
    $71.78
    Subtotal:
  •  VERTEX Exhaust Power Valve Bellows 817978

    VERTEX Exhaust Power Valve Bellows 817978

    VERTEX

    $29.67
    The VERTEX Exhaust Power Valve Bellows are engineered to maintain precise control over your exhaust system's variable valve operation, directly impacting power delivery across the RPM range. A worn or damaged bellows compromises boost response and peak...
    09263424
    SKU:
    09263424
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    $29.67
    Qty in Cart: 0
    Quantity:
    Price:
    $29.67
    Subtotal:
  •  VERTEX Exhaust Power Valve Bellows 817999

    VERTEX Exhaust Power Valve Bellows 817999

    VERTEX

    $26.00
    The exhaust power valve bellows is a critical component that directly impacts your engine's exhaust scavenging and power delivery across the RPM range. A worn or damaged bellows compromises valve actuation, leading to inconsistent exhaust flow and lost...
    09263426
    SKU:
    09263426
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    $26.00
    Qty in Cart: 0
    Quantity:
    Price:
    $26.00
    Subtotal:
  •  VERTEX Water Pump Repair Kit - Ski-Doo 721214

    VERTEX Water Pump Repair Kit - Ski-Doo 721214

    VERTEX

    $52.95
    Cooling system failures don't just sideline your Ski-Doo—they can cause catastrophic engine damage if left unaddressed. This complete VERTEX Water Pump Repair Kit supplies all OEM-equivalent gaskets, O-rings, bearings, and seals needed for a proper...
    09347441
    SKU:
    09347441
    Availability:
    Ships Same Business Day
    Weight:
    0.26 LBS
    $52.95
    Qty in Cart: 0
    Quantity:
    Price:
    $52.95
    Subtotal:
  •  VERTEX Water Pump Repair Kit - Arctic Cat 721217

    VERTEX Water Pump Repair Kit - Arctic Cat 721217

    VERTEX

    $37.87
    Water pump failure can leave you stranded or cause catastrophic engine damage from overheating. This comprehensive repair kit gives you everything needed to restore full cooling system functionality without the downtime and expense of a complete pump...
    09347443
    SKU:
    09347443
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    $37.87
    Qty in Cart: 0
    Quantity:
    Price:
    $37.87
    Subtotal:
  •  VERTEX Water Pump Repair Kit - Arctic Cat/Yamaha 721317

    VERTEX Water Pump Repair Kit - Arctic Cat/Yamaha 721317

    VERTEX

    $56.30
    A failing water pump can leave you stranded and facing catastrophic engine damage. The VERTEX Water Pump Repair Kit gives you everything needed to restore full cooling system integrity without sourcing individual components from multiple suppliers...
    09347454
    SKU:
    09347454
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    $56.30
    Qty in Cart: 0
    Quantity:
    Price:
    $56.30
    Subtotal:
  •  VERTEX Water Pump Repair Kit - Polaris 821891

    VERTEX Water Pump Repair Kit - Polaris 821891

    VERTEX

    $118.80
    Water pump failure compromises engine cooling and can lead to catastrophic overheating in high-performance applications. This VERTEX repair kit restores your Polaris water pump to OEM specifications with a complete gasket, seal, bearing, and O-ring...
    09347455
    SKU:
    09347455
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    $118.80
    Qty in Cart: 0
    Quantity:
    Price:
    $118.80
    Subtotal:
  •  VERTEX Water Pump Repair Kit - Can-Am/Ski-Doo 821957

    VERTEX Water Pump Repair Kit - Can-Am/Ski-Doo 821957

    VERTEX

    $31.30
    A failing water pump doesn't just compromise cooling efficiency—it puts your entire engine at risk. This VERTEX repair kit gives you OEM-quality gaskets, seals, bearings, and O-rings in one complete package, eliminating the need to source components...
    09347456
    SKU:
    09347456
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    $31.30
    Qty in Cart: 0
    Quantity:
    Price:
    $31.30
    Subtotal:
  •  VERTEX Exhaust Power Valve Bellows 817995

    VERTEX Exhaust Power Valve Bellows 817995

    VERTEX

    $25.58
    A properly functioning exhaust power valve is critical to your engine's efficiency across the RPM range, and a compromised bellows directly impacts turbo response and fuel economy. The VERTEX Exhaust Power Valve Bellows 817995 restores precise valve...
    09263425
    SKU:
    09263425
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    $25.58
    Qty in Cart: 0
    Quantity:
    Price:
    $25.58
    Subtotal:
  •  VERTEX Water Pump Repair Kit - Arctic Cat 721275

    VERTEX Water Pump Repair Kit - Arctic Cat 721275

    VERTEX

    $53.62
    A failing water pump compromises your Arctic Cat's cooling efficiency and risks engine damage during critical rides. This OEM repair kit delivers all the gaskets, O-rings, bearings, and seals you need to restore your water pump to factory specifications...
    09347449
    SKU:
    09347449
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    $53.62
    Qty in Cart: 0
    Quantity:
    Price:
    $53.62
    Subtotal:
  •  VERTEX Water Pump Repair Kit - Arctic Cat 721296

    VERTEX Water Pump Repair Kit - Arctic Cat 721296

    VERTEX

    $54.75
    Water pump failure can leave you stranded and cause catastrophic engine damage if not addressed promptly. The VERTEX Water Pump Repair Kit (MPN: 721296) gives you all the OEM-equivalent sealing components needed to restore your Arctic Cat's cooling...
    09347450
    SKU:
    09347450
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    $54.75
    Qty in Cart: 0
    Quantity:
    Price:
    $54.75
    Subtotal:
  •  VERTEX Water Pump Repair Kit - Polaris 721310

    VERTEX Water Pump Repair Kit - Polaris 721310

    VERTEX

    $47.92
    Water pump failure can leave you stranded, but this comprehensive repair kit keeps your Polaris cooling system running reliably. Rather than replacing an entire pump assembly, this kit supplies all the wear components—gaskets, seals, bearings, and...
    09347451
    SKU:
    09347451
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $47.92
    Subtotal:
  •  VERTEX Water Pump Repair Kit - Ski-Doo 721312

    VERTEX Water Pump Repair Kit - Ski-Doo 721312

    VERTEX

    $38.55
    Water pump failure can leave you stranded, and catastrophic overheating can damage your entire engine. This VERTEX repair kit gives you all the critical sealing and bearing components needed to restore full cooling system function without replacing the...
    09347453
    SKU:
    09347453
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    $38.55
    Qty in Cart: 0
    Quantity:
    Price:
    $38.55
    Subtotal:
  • BIKEMAN PERFORMANCE Billet Head Kit High Altitude for 2024 Polaris Patriot 9R RMK Khaos Slash 155 04-318-H-900

    BIKEMAN PERFORMANCE Billet Head Kit High Altitude for 2024 Polaris Patriot 9R RMK Khaos Slash 155 04-318-H-900

    BIKEMAN PERFORMANCE

    $675.95
    If you're running your Polaris at elevation, standard engine tuning leaves power on the table and heat management compromised. The BIKEMAN PERFORMANCE Billet Head Kit recalibrates your combustion chamber for the thinner air above 6,000 feet, delivering...
    09300244
    SKU:
    09300244
    Availability:
    Ships Same Business Day
    Weight:
    4.38 LBS
    $675.95
    Qty in Cart: 0
    Quantity:
    Price:
    $675.95
    Subtotal:
  • Bikeman Performance Billet Head Kit Low Altitude Matryx 9R 2023 04-318-L-900

    Bikeman Performance Billet Head Kit Low Altitude Matryx 9R 2023 04-318-L-900

    BIKEMAN PERFORMANCE

    $675.95
    If you're running your Matryx 9R at low altitude and want measurable gains without a complete engine rebuild, the Bikeman Performance Billet Head Kit delivers real results. The enhanced cooling capacity keeps combustion temperatures in the optimal zone,...
    09300245
    SKU:
    09300245
    Availability:
    Ships Same Business Day
    Weight:
    4.31 LBS
    $675.95
    Qty in Cart: 0
    Quantity:
    Price:
    $675.95
    Subtotal:
  • On Sale
    PROX Piston Kit - 85.00 mm - Arctic Cat 01.5811.000 PROX Piston Kit - 85.00 mm - Arctic Cat 01.5811.000

    PROX Piston Kit - 85.00 mm - Arctic Cat 01.5811.000

    PROX

    MSRP: $119.95
    Now: $102.00
    Was: $119.95
    A worn or damaged piston directly compromises your sled's compression, power delivery, and overall reliability—especially in demanding riding conditions. The PROX 85.00 mm Piston Kit delivers OEM-quality performance at a fraction of the cost, using...
    09105043
    SKU:
    09105043
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    UNITS:
    KIT
    BORE SIZE METRIC:
    85.00 MM
    PRODUCT NAME:
    PISTON KIT
    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:
  • Wossner Piston Kit 84.87mm Arctic Cat M8 2007-2009 K7038DA-2

    Wossner Piston Kit 84.87mm Arctic Cat M8 2007-2009 K7038DA-2

    WOSSNER

    $384.00
    If you're running an Arctic Cat M8 2007-2009, a worn piston directly impacts throttle response, fuel efficiency, and overall engine reliability. This Wossner piston kit restores the precision tolerances your engine needs to perform consistently, whether...
    09106666
    SKU:
    09106666
    Availability:
    Ships Same Business Day
    Weight:
    2.89 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    ENGINE TYPE:
    2-STROKE
    PISTON SIZE METRIC:
    84.87 MM
    MODEL:
    PREMIUM PLUS SERIES
    PISTON MATERIAL:
    ANODIZED ALUMINUM ALLOY
    RIDING STYLE:
    SNOW
    STYLE:
    HEAVY DUTY
    BORE SIZE METRIC:
    85.00 MM
    STROKE LENGTH METRIC:
    70.00 MM
    TYPE:
    DUAL RING
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    KIT
    $384.00
    Qty in Cart: 0
    Quantity:
    Price:
    $384.00
    Subtotal:
  • Wossner Piston Kit 77.11 mm Polaris 600 Liberty CFI 2006-2016 K7074DA-2

    Wossner Piston Kit 77.11 mm Polaris 600 Liberty CFI 2006-2016 K7074DA-2

    WOSSNER

    $344.00
    Your Polaris 600 Liberty CFI's performance depends on reliable internal components that can handle the demands of extended trail riding. The Wossner K7074DA-2 piston kit delivers precision-engineered construction with a hardcoat anodized finish that...
    09106667
    SKU:
    09106667
    Availability:
    Ships Same Business Day
    Weight:
    2.24 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    ENGINE TYPE:
    2-STROKE
    STROKE LENGTH METRIC:
    64.00 MM
    TYPE:
    SINGLE RING
    BORE SIZE METRIC:
    77.25 MM
    MODEL:
    PREMIUM PLUS SERIES
    PISTON MATERIAL:
    ANODIZED ALUMINUM ALLOY
    UNITS:
    KIT
    PISTON SIZE METRIC:
    77.11 MM
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    SNOW
    STYLE:
    HEAVY DUTY
    $344.00
    Qty in Cart: 0
    Quantity:
    Price:
    $344.00
    Subtotal:
  • Wossner Piston Kit 73.68mm 2008-2015 Polaris 600 IQ K7073DA-2

    Wossner Piston Kit 73.68mm 2008-2015 Polaris 600 IQ K7073DA-2

    WOSSNER

    $384.00
    Your Polaris 600 IQ's engine performance hinges on piston quality—wear or degradation directly impacts power delivery, fuel efficiency, and overall reliability on the trail. This Wossner kit delivers OEM-spec precision with hardcoat anodized protection,...
    09106668
    SKU:
    09106668
    Availability:
    Ships Same Business Day
    Weight:
    2.19 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE SIZE METRIC:
    73.80 MM
    ENGINE TYPE:
    2-STROKE
    STROKE LENGTH METRIC:
    70.00 MM
    TYPE:
    SINGLE RING
    BORE - OVERSIZE METRIC:
    STANDARD
    MODEL:
    PREMIUM PLUS SERIES
    PISTON MATERIAL:
    ANODIZED ALUMINUM ALLOY
    UNITS:
    KIT
    PISTON SIZE METRIC:
    73.68 MM
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    SNOW
    STYLE:
    HEAVY DUTY
    $384.00
    Qty in Cart: 0
    Quantity:
    Price:
    $384.00
    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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