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
-
Wiseco Piston Kit 62.50mm Bore 1996-1998 Polaris 600 XCR SP 2365M06250
WISECO
$149.95When you're pushing your 1996-1998 Polaris 600 XCR SP to its limits on the trail or at the track, factory pistons won't cut it. The Wiseco 2365M06250 delivers the strength and precision you need to handle aggressive riding conditions without sacrificing...2365M06250- SKU:
- 2365M06250
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 62.50 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 65.00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 598 CC
- PISTON DIAMETER METRIC:
- 62.44 MM
$149.95Qty in Cart: 0Quantity:Price:$149.95Subtotal: -
Wiseco Piston 72mm Bore Ski-Doo Alpine 1988 2373M07200
WISECO
$154.95Whether you're pushing your Alpine hard on race day or logging serious trail miles, piston reliability directly impacts your engine's power delivery and longevity. The Wiseco 2373M07200 delivers the durability and precision fit you need to maintain peak...2373M07200- SKU:
- 2373M07200
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- DISPLACEMENT:
- 248 CC
- DISPLACEMENT:
- 521 CC
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 64.00 MM
- BORE SIZE METRIC:
- 72.00 MM
- DISPLACEMENT:
- 269 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 66.00 MM
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 503 CC
- STROKE LENGTH METRIC:
- 61.00 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 497 CC
- PISTON DIAMETER METRIC:
- 71.90 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORGLIDE®
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
Wiseco Piston Assembly 78.5mm Bore Ski-Doo MX-Z 670 1996-1998 2379M07850
WISECO
$174.95A worn or damaged piston directly compromises engine compression, throttle response, and overall power output—especially critical in high-demand trail and racing conditions. The Wiseco 2379M07850 restores lost performance with a purpose-built assembly...2379M07850- SKU:
- 2379M07850
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE SIZE METRIC:
- 78.50 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- SNOW
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 677 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 78.40 MM
- STROKE LENGTH METRIC:
- 70.00 MM
$174.95Qty in Cart: 0Quantity:Price:$174.95Subtotal: -
Wiseco Piston Kit 73.50mm Oversize Yamaha SR540 SRV 2000-2005 2305M07350
WISECO
$144.95If you're rebuilding your SR540 engine or pushing it beyond stock limits, bore wear and power loss are inevitable without proper piston clearance. The Wiseco +.50mm oversize kit restores compression and sealing integrity while accommodating larger bore...2305M07350- SKU:
- 2305M07350
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PISTON DIAMETER METRIC:
- 73.40 MM
- RIDING STYLE:
- SNOW
- BORE SIZE METRIC:
- 73.50 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- DISPLACEMENT:
- 543 CC
- MODEL:
- PRO-LITE
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 64.00 MM
- UNITS:
- KIT
$144.95Qty in Cart: 0Quantity:Price:$144.95Subtotal: -
Wiseco Piston Kit 86mm Bore 2004 Polaris 800 Classic 2428M08600
WISECO
$154.95When you're pushing your 2004 Polaris 800 Classic to its limits, your factory pistons become the weak point. The Wiseco 2428M08600 delivers the durability and precision you need to run competitive lap times or aggressive trail conditions without...09104016- SKU:
- 09104016
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE - OVERSIZE:
- +1,00 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 86.00 MM
- PISTON DIAMETER METRIC:
- 85.85 MM
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH METRIC:
- 70.00 MM
- RIDING STYLE:
- SNOW
- DISPLACEMENT:
- 813 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- UNITS:
- KIT
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
Kimpex Recoil Spring for Ski-Doo Alpine II 1990-1991 303216
KIMPEX
$28.99A worn or damaged recoil spring can turn your Ski-Doo Alpine II into a temperamental starter, leaving you stranded in cold conditions. The KIMPEX Recoil Spring (303216) restores OEM-spec performance, delivering consistent, reliable starts every time you...09360030- SKU:
- 09360030
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- SPRING
- RIDING STYLE:
- SNOW
- TYPE:
- RECOIL
- UNITS:
- EACH
$28.99 -
Kimpex Recoil Pawl Kit for Ski-Doo MX Z 440 Racing 2001-2005 250056
KIMPEX
$15.99A worn or damaged recoil pawl compromises cold-weather starting and leaves you stranded on the trail. This KIMPEX kit restores reliable engine engagement with OEM-specification components engineered for your Ski-Doo MX Z 440. Maintain consistent starting...09360034- SKU:
- 09360034
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- PAWL KIT
- TYPE:
- RECOIL STARTER
- RIDING STYLE:
- SNOW
- UNITS:
- KIT
$15.99 -
On Sale
PROX Gasket Kit with Oil Seals - Polaris 550 34.5599
PROX
MSRP: $79.95Now: $68.00Was: $79.95Engine gasket integrity is critical to preventing oil leaks, maintaining compression, and avoiding catastrophic internal damage—especially in high-performance applications where thermal stress is constant. The PROX Gasket Kit with Oil Seals for Polaris...09346594- SKU:
- 09346594
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- FEATURES:
- INCLUDES OIL SEAL
- TYPE:
- ENGINE
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- SNOW
MSRP: $79.95Now: $68.00Was: $79.95Qty in Cart: 0Quantity:Price:MSRP: $79.95Now: $68.00Was: $79.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Yamaha Phazer 480 35.2598
PROX
MSRP: $29.95Now: $25.00Was: $29.95A quality top-end gasket kit is essential for maintaining compression integrity and preventing coolant or oil seepage in your Phazer 480. Whether you're rebuilding after high-mileage wear or performing preventive maintenance, PROX gaskets ensure reliable...09346609- SKU:
- 09346609
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET SET
- UNITS:
- SET
MSRP: $29.95Now: $25.00Was: $29.95Qty in Cart: 0Quantity:Price:MSRP: $29.95Now: $25.00Was: $29.95Subtotal: -
On Sale
PROX Top End Gasket Kit - V-Max 35.2697
PROX
MSRP: $79.95Now: $68.00Was: $79.95A quality top-end gasket kit is critical for maintaining compression integrity and preventing coolant or oil seepage in your V-Max engine. PROX's gasket set ensures reliable sealing across all top-end surfaces, reducing the risk of mid-season failures...09346612- SKU:
- 09346612
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $79.95Now: $68.00Was: $79.95Qty in Cart: 0Quantity:Price:MSRP: $79.95Now: $68.00Was: $79.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Arctic Cat 550 35.5592
PROX
MSRP: $34.95Now: $30.00Was: $34.95A quality top-end gasket kit is essential for maintaining compression integrity and preventing costly coolant or oil leaks in your Arctic Cat 550. PROX engineered this kit to OEM specifications, ensuring reliable sealing under high-temperature and...09346621- SKU:
- 09346621
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- UNITS:
- SET
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- RIDING STYLE:
- SNOW
MSRP: $34.95Now: $30.00Was: $34.95Qty in Cart: 0Quantity:Price:MSRP: $34.95Now: $30.00Was: $34.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Arctic Cat ZL/ZR500 35.5597
PROX
MSRP: $49.95Now: $42.00Was: $49.95A top-end gasket kit is essential maintenance for any Arctic Cat ZL/ZR500 that sees regular use—whether on the trail or in competition. Over time, factory gaskets deteriorate from heat cycles and vibration, leading to compression loss, oil seepage, and...09346623- SKU:
- 09346623
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $49.95Now: $42.00Was: $49.95Qty in Cart: 0Quantity:Price:MSRP: $49.95Now: $42.00Was: $49.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Polaris 550 35.5599
PROX
MSRP: $39.95Now: $34.00Was: $39.95A worn or failing top end gasket kit compromises compression, causes oil seepage, and leaves performance on the table. The PROX Top End Gasket Kit for Polaris 550 engines delivers OEM-grade sealing with precision-cut materials that maintain cylinder...09346624- SKU:
- 09346624
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $39.95Now: $34.00Was: $39.95Qty in Cart: 0Quantity:Price:MSRP: $39.95Now: $34.00Was: $39.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Polaris 600IQ 35.5610
PROX
MSRP: $54.95Now: $47.00Was: $54.95A quality top-end gasket kit is essential for maintaining proper compression and preventing coolant or oil seepage in your Polaris 600IQ. Over time, factory gaskets degrade under thermal cycling and high-RPM stress, leading to leaks that compromise...09346630- SKU:
- 09346630
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $54.95Now: $47.00Was: $54.95 -
On Sale
PROX Top End Gasket Kit - Ski Doo 670 35.5693
PROX
MSRP: $59.95Now: $51.00Was: $59.95A quality top-end gasket kit is essential for maintaining a proper seal between your engine's cylinder head and block—any leak compromises combustion efficiency and can lead to costly engine damage. The PROX Top End Gasket Kit for Ski-Doo 670 engines...09346633- SKU:
- 09346633
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $59.95Now: $51.00Was: $59.95Qty in Cart: 0Quantity:Price:MSRP: $59.95Now: $51.00Was: $59.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Polaris Indy XLT600 35.5695
PROX
MSRP: $79.95Now: $68.00Was: $79.95A quality top-end gasket kit is essential for maintaining compression integrity and preventing costly coolant and oil leaks in your Polaris Indy XLT600. PROX manufactures OEM-equivalent gaskets with precise tolerances, ensuring reliable sealing across...09346634- SKU:
- 09346634
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- TYPE:
- TOP END
- UNITS:
- SET
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- SNOW
MSRP: $79.95Now: $68.00Was: $79.95 -
On Sale
PROX Top End Gasket Kit - Ski Doo 600 35.5699
PROX
MSRP: $64.95Now: $55.00Was: $64.95A top-end gasket kit is essential maintenance for any Ski-Doo 600 engine, preventing costly coolant and oil leaks that compromise performance and reliability. PROX's OEM-quality gasket set ensures proper sealing across all critical engine interfaces,...09346636- SKU:
- 09346636
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- PRODUCT NAME:
- GASKET SET
- UNITS:
- SET
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
MSRP: $64.95Now: $55.00Was: $64.95 -
On Sale
PROX Top End Gasket Kit - Ski Doo 35.5700
PROX
MSRP: $49.95Now: $42.00Was: $49.95A top-end gasket kit is essential for maintaining cylinder head integrity and preventing coolant or oil seepage that compromises engine reliability. Whether you're rebuilding after high-mileage wear or performing preventative maintenance, PROX's...09346637- SKU:
- 09346637
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- UNITS:
- SET
- RIDING STYLE:
- SNOW
MSRP: $49.95Now: $42.00Was: $49.95Qty in Cart: 0Quantity:Price:MSRP: $49.95Now: $42.00Was: $49.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Indy/RMK/SK 35.5801
PROX
MSRP: $59.95Now: $51.00Was: $59.95A top-end gasket kit is essential maintenance for any high-performance sled engine—these seals prevent coolant and oil leakage that can compromise engine integrity and performance. PROX's OEM-equivalent gasket set ensures proper compression and seal...09346642- SKU:
- 09346642
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
MSRP: $59.95Now: $51.00Was: $59.95Qty in Cart: 0Quantity:Price:MSRP: $59.95Now: $51.00Was: $59.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Arctic Cat ZL/ZR/Cat 800 35.5802
PROX
MSRP: $74.95Now: $64.00Was: $74.95A top-end gasket kit is essential maintenance for any Arctic Cat 800 engine—worn or degraded gaskets compromise compression, increase blow-by, and lead to costly internal damage. PROX's engineered gasket set ensures proper sealing across all critical...09346643- SKU:
- 09346643
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET KIT
MSRP: $74.95Now: $64.00Was: $74.95Qty in Cart: 0Quantity:Price:MSRP: $74.95Now: $64.00Was: $74.95Subtotal:
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.
