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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
  • WINDEROSA Oil Seal - 35 mm x 50 mm x 8 mm 501453

    WINDEROSA Oil Seal - 35 mm x 50 mm x 8 mm 501453

    WINDEROSA

    $8.22
    A compromised oil seal is one of the easiest ways to lose oil pressure and invite contamination into your engine. The WINDEROSA 501453 is a direct OEM replacement that restores the critical barrier between your crankshaft and bearing surfaces, ensuring...
    OS1395
    SKU:
    OS1395
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    APPLICATION:
    CRANKSHAFT
    RIDING STYLE:
    SNOW
    THICKNESS METRIC:
    8 MM
    INSIDE DIAMETER METRIC:
    35 MM
    TYPE:
    OIL
    OUTSIDE DIAMETER METRIC:
    50 MM
    PRODUCT NAME:
    SEAL
    UNITS:
    EACH
    $8.22
    Qty in Cart: 0
    Quantity:
    Price:
    $8.22
    Subtotal:
  • On Sale
    Wiseco Piston Kit for Polaris 440 1992-1998 2343M06825

    Wiseco Piston Kit for Polaris 440 1992-1998 2343M06825

    WISECO

    MSRP: $134.95
    Now: $115.00
    Was: $134.95
    If you're running a Polaris 440 and want to extract reliable performance without compromise, the Wiseco Piston Kit delivers the durability and efficiency your engine demands. This high-silicon alloy piston handles the extreme pressures of both aggressive...
    2343M06825
    SKU:
    2343M06825
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    NON-COATED
    PISTON DIAMETER METRIC:
    68.10 MM
    STROKE LENGTH METRIC:
    60.00 MM
    BORE SIZE METRIC:
    68.25 MM
    DISPLACEMENT:
    439 CC
    RIDING STYLE:
    SNOW
    BORE - OVERSIZE:
    +0,50 MM
    BORE - OVERSIZE METRIC:
    +0.50 MM
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    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
    Wiseco Piston Ski-Doo Formula MX 1994 2312M06975

    Wiseco Piston Ski-Doo Formula MX 1994 2312M06975

    WISECO

    MSRP: $149.95
    Now: $127.00
    Was: $149.95
    OEM pistons wear out—especially on vintage Ski-Doo sleds that see serious trail time. The Wiseco 2312M06975 is a direct replacement engineered to restore your Formula MX's combustion efficiency and power output without compromising reliability. Built to...
    09103983
    SKU:
    09103983
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    BORE - OVERSIZE METRIC:
    +0.25 MM
    DISPLACEMENT:
    466 CC
    BORE - OVERSIZE:
    +0,25 MM
    PISTON MATERIAL:
    FORGED
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    61.00 MM
    BORE SIZE METRIC:
    69.50 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON
    UNITS:
    EACH
    MSRP: $149.95
    Now: $127.00
    Was: $149.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $149.95
    Now: $127.00
    Was: $149.95
    Subtotal:
  • On Sale
    Wiseco Piston Kit 62.25mm Bore 1986-1989 Polaris Sprint 2316M06225

    Wiseco Piston Kit 62.25mm Bore 1986-1989 Polaris Sprint 2316M06225

    WISECO

    MSRP: $134.95
    Now: $115.00
    Was: $134.95
    If you're running a 1986-1989 Polaris Sprint, piston wear directly impacts combustion efficiency, throttle response, and overall engine longevity. The Wiseco 2316M06225 replaces worn or damaged pistons with precision-engineered components that restore...
    09103985
    SKU:
    09103985
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    55.60 MM
    BORE SIZE METRIC:
    62.00 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON
    UNITS:
    EACH
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    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
    Wiseco Piston Kit 69.25mm 1993-1995 Polaris 440 SKS 2318M06925

    Wiseco Piston Kit 69.25mm 1993-1995 Polaris 440 SKS 2318M06925

    WISECO

    MSRP: $154.95
    Now: $132.00
    Was: $154.95
    If you're running a 1993-1995 Polaris 440 SKS, piston wear directly impacts combustion efficiency and power delivery—and a worn or damaged piston will cost you performance and reliability. The Wiseco 2318M06925 is precision-engineered to restore lost...
    09103987
    SKU:
    09103987
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    PISTON MATERIAL:
    FORGED
    RIDING STYLE:
    SNOW
    BORE SIZE METRIC:
    67.75 MM
    DISPLACEMENT:
    435 CC
    DISPLACEMENT:
    452 CC
    STROKE LENGTH METRIC:
    60.00 MM
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON
    UNITS:
    EACH
    MSRP: $154.95
    Now: $132.00
    Was: $154.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $154.95
    Now: $132.00
    Was: $154.95
    Subtotal:
  • On Sale
    Wiseco Piston Kit Arctic Cat Wildcat 650 1988-1990 2323M07800

    Wiseco Piston Kit Arctic Cat Wildcat 650 1988-1990 2323M07800

    WISECO

    MSRP: $129.95
    Now: $110.00
    Was: $129.95
    When you're rebuilding or refreshing your Arctic Cat Wildcat 650's top end, piston quality directly impacts power delivery, longevity, and reliability under load. Wiseco pistons are precision-forged to exacting tolerances, ensuring consistent compression...
    09103988
    SKU:
    09103988
    Availability:
    Ships Same Business Day
    Weight:
    1.15 LBS
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    68.00 MM
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PRODUCT NAME:
    PISTON
    UNITS:
    EACH
    BORE SIZE METRIC:
    78.00 MM
    DISPLACEMENT:
    650 CC
    PISTON MATERIAL:
    ALUMINUM
    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:
  • HELIX Rope Starter - Nylon - 74" - #7 700-0074

    HELIX Rope Starter - Nylon - 74" - #7 700-0074

    HELIX

    $3.95
    A reliable recoil starter depends on a rope that won't fray, slip, or deteriorate under repeated use. The HELIX Rope Starter eliminates the hassle of custom cutting and splicing by delivering a pre-cut, ready-to-install solution sized for immediate...
    09360008
    SKU:
    09360008
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    ROPE
    RIDING STYLE:
    SNOW
    BASE COLOR:
    WHITE
    LENGTH:
    188 CM (74')
    LENGTH METRIC:
    188 CM
    TYPE:
    STARTER
    COLOR/FINISH:
    WHITE
    FEATURES:
    PRE-CUT
    SIZE:
    #7 (7/32')
    LENGTH IMPERIAL:
    74'
    MATERIAL:
    NYLON
    SIZE IMPERIAL:
    #7 (7/32')
    UNITS:
    EACH
    $3.95
    Qty in Cart: 0
    Quantity:
    Price:
    $3.95
    Subtotal:
  • HELIX Rope Starter - Nylon - 74" - #8 800-0074

    HELIX Rope Starter - Nylon - 74" - #8 800-0074

    HELIX

    $3.95
    A reliable rope starter is essential for consistent engine ignition, especially when dealing with aging or high-performance recoil systems that demand premium materials. The HELIX Rope Starter eliminates the frustration of frayed, deteriorating factory...
    09360009
    SKU:
    09360009
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    ROPE
    RIDING STYLE:
    SNOW
    SIZE:
    #8 (1/4')
    COLOR/FINISH:
    WHITE
    LENGTH IMPERIAL:
    74'
    SIZE IMPERIAL:
    #8 (1/4')
    BASE COLOR:
    WHITE
    LENGTH:
    188 CM (74')
    LENGTH METRIC:
    188 CM
    TYPE:
    STARTER
    FEATURES:
    PRE-CUT
    MATERIAL:
    NYLON
    UNITS:
    EACH
    $3.95
    Qty in Cart: 0
    Quantity:
    Price:
    $3.95
    Subtotal:
  • HELIX Rope Starter - Nylon - 200' - #6 600-0200

    HELIX Rope Starter - Nylon - 200' - #6 600-0200

    HELIX

    $37.95
    A reliable starter rope is critical infrastructure for any recoil-start engine, whether you're running a small-displacement race engine or maintaining vintage motorsports equipment. The HELIX Rope Starter eliminates the frustration of frayed, worn-out...
    09360013
    SKU:
    09360013
    Availability:
    Ships Same Business Day
    Weight:
    1.60 LBS
    LENGTH:
    61,0 M (200')
    MATERIAL:
    NYLON
    UNITS:
    EACH
    COLOR/FINISH:
    WHITE
    LENGTH IMPERIAL:
    200'
    SIZE:
    #6 (3/16')
    BASE COLOR:
    WHITE
    FEATURES:
    BULK
    LENGTH METRIC:
    61.0 M
    TYPE:
    STARTER
    PRODUCT NAME:
    ROPE
    RIDING STYLE:
    SNOW
    SIZE IMPERIAL:
    #6 (3/16')
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • HELIX Rope Starter - Nylon - 200' - #7 700-0200

    HELIX Rope Starter - Nylon - 200' - #7 700-0200

    HELIX

    $54.95
    A worn or frayed starter rope doesn't just reduce reliability—it can leave you stranded when you need your engine to fire up most. The HELIX Rope Starter delivers consistent, predictable performance with a pre-cut nylon design that's ready to install...
    09360014
    SKU:
    09360014
    Availability:
    Ships Same Business Day
    Weight:
    2.10 LBS
    LENGTH:
    61,0 M (200')
    MATERIAL:
    NYLON
    SIZE IMPERIAL:
    #7 (7/32')
    UNITS:
    EACH
    BASE COLOR:
    WHITE
    LENGTH METRIC:
    61.0 M
    TYPE:
    STARTER
    COLOR/FINISH:
    WHITE
    LENGTH IMPERIAL:
    200'
    SIZE:
    #7 (7/32')
    FEATURES:
    BULK
    PRODUCT NAME:
    ROPE
    RIDING STYLE:
    SNOW
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
  • HELIX Rope Starter - Nylon - 200' - #8 800-0200

    HELIX Rope Starter - Nylon - 200' - #8 800-0200

    HELIX

    $58.95
    A reliable recoil starter depends on rope that won't fray, stretch, or fail mid-season. The HELIX Rope Starter eliminates the guesswork with a pre-cut, ready-to-install nylon rope engineered for consistent pull and durability across countless engine...
    09360015
    SKU:
    09360015
    Availability:
    Ships Same Business Day
    Weight:
    2.85 LBS
    COLOR/FINISH:
    WHITE
    FEATURES:
    BULK
    LENGTH IMPERIAL:
    200'
    TYPE:
    STARTER
    LENGTH:
    61,0 M (200')
    MATERIAL:
    NYLON
    PRODUCT NAME:
    ROPE
    RIDING STYLE:
    SNOW
    SIZE:
    #8 (1/4')
    UNITS:
    EACH
    BASE COLOR:
    WHITE
    LENGTH METRIC:
    61.0 M
    SIZE IMPERIAL:
    #8 (1/4')
    $58.95
    Qty in Cart: 0
    Quantity:
    Price:
    $58.95
    Subtotal:
  • HELIX Rope Starter - Nylon - 74" - #6 600-0074

    HELIX Rope Starter - Nylon - 74" - #6 600-0074

    HELIX

    $3.95
    A worn or frayed starter rope can leave you stranded when you need your engine running most. The HELIX Rope Starter eliminates guesswork with a pre-cut nylon rope that delivers consistent pull engagement and reliable cold starts every time. Whether...
    09360007
    SKU:
    09360007
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    ROPE
    RIDING STYLE:
    SNOW
    SIZE:
    #6 (3/16')
    COLOR/FINISH:
    WHITE
    FEATURES:
    PRE-CUT
    SIZE IMPERIAL:
    #6 (3/16')
    BASE COLOR:
    WHITE
    LENGTH:
    188 CM (74')
    LENGTH METRIC:
    188 CM
    MATERIAL:
    NYLON
    TYPE:
    STARTER
    LENGTH IMPERIAL:
    74'
    UNITS:
    EACH
    $3.95
    Qty in Cart: 0
    Quantity:
    Price:
    $3.95
    Subtotal:
  • On Sale
    Wiseco 75.00mm Piston Ring Set for Kawasaki 550SX 1992-1995 2953TD

    Wiseco 75.00mm Piston Ring Set for Kawasaki 550SX 1992-1995 2953TD

    WISECO

    MSRP: $49.56
    Now: $47.00
    Was: $49.56
    A worn piston ring set compromises combustion sealing, increases oil consumption, and kills engine efficiency—especially critical in high-revving 2-stroke performance engines like the Kawasaki 550SX. The Wiseco 2953TD delivers precision-engineered rings...
    2953TD
    SKU:
    2953TD
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    RIDING STYLE:
    ATV
    PISTON MATERIAL:
    ALUMINUM
    DISPLACEMENT:
    901 CC
    RIDING STYLE:
    SNOW
    BORE SIZE METRIC:
    75.00 MM
    PRODUCT NAME:
    PISTON RING
    RIDING STYLE:
    WATERCRAFT
    UNITS:
    SET
    MSRP: $49.56
    Now: $47.00
    Was: $49.56
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $49.56
    Now: $47.00
    Was: $49.56
    Subtotal:
  • On Sale
    Wiseco Piston 72mm Bore Ski-Doo MX Z 600 X 2003-2006 2444M07200

    Wiseco Piston 72mm Bore Ski-Doo MX Z 600 X 2003-2006 2444M07200

    WISECO

    MSRP: $189.95
    Now: $161.00
    Was: $189.95
    When your Ski-Doo MX Z 600 demands more from every season, a quality piston is non-negotiable. The Wiseco 2444M07200 delivers the durability and power consistency you need to push hard on the trail or in competition without sacrificing engine reliability...
    09104027
    SKU:
    09104027
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    DISPLACEMENT:
    594 CC
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    ARMORGLIDE®
    BORE SIZE METRIC:
    72.00 MM
    PISTON DIAMETER METRIC:
    71.85 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    73.00 MM
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    UNITS:
    KIT
    MSRP: $189.95
    Now: $161.00
    Was: $189.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $189.95
    Now: $161.00
    Was: $189.95
    Subtotal:
  • On Sale
    Wiseco Piston Kit for 2006 Polaris 700 Classic 2448M07750

    Wiseco Piston Kit for 2006 Polaris 700 Classic 2448M07750

    WISECO

    MSRP: $164.95
    Now: $140.00
    Was: $164.95
    When your Polaris 700 Classic's original piston wears out, you need a direct replacement that restores—or exceeds—factory performance without guesswork. The Wiseco 2448M07750 piston kit delivers the durability and precision tolerances that high-mileage...
    09104029
    SKU:
    09104029
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    MODEL:
    FORGED SERIES
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    SNOW
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    DISPLACEMENT:
    755 CC
    SKIRT COATING:
    ARMORGLIDE®
    UNITS:
    KIT
    BORE SIZE METRIC:
    77.50 MM
    PISTON DIAMETER METRIC:
    77.35 MM
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    STROKE LENGTH METRIC:
    80.00 MM
    MSRP: $164.95
    Now: $140.00
    Was: $164.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $164.95
    Now: $140.00
    Was: $164.95
    Subtotal:
  • On Sale
    Wiseco Piston Kit Arctic Cat Crossfire 1000 EFI 2009 2450M09030

    Wiseco Piston Kit Arctic Cat Crossfire 1000 EFI 2009 2450M09030

    WISECO

    MSRP: $149.95
    Now: $127.00
    Was: $149.95
    When your Arctic Cat Crossfire 1000 EFI demands peak performance, a quality piston kit is non-negotiable. Wiseco's high-silicon alloy construction delivers the strength and heat resistance required for sustained trail riding or competitive racing, while...
    09104030
    SKU:
    09104030
    Availability:
    Ships Same Business Day
    Weight:
    1.55 LBS
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    SNOW
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    SKIRT COATING:
    ARMORGLIDE®
    UNITS:
    KIT
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    BORE SIZE METRIC:
    90.30 MM
    DISPLACEMENT:
    1000 CC
    PISTON DIAMETER METRIC:
    90.15 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    STROKE LENGTH METRIC:
    78.00 MM
    MSRP: $149.95
    Now: $127.00
    Was: $149.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $149.95
    Now: $127.00
    Was: $149.95
    Subtotal:
  • On Sale
    Wiseco Piston Kit Arctic Cat M8 153 2007-2009 2451M08500

    Wiseco Piston Kit Arctic Cat M8 153 2007-2009 2451M08500

    WISECO

    MSRP: $154.95
    Now: $132.00
    Was: $154.95
    The Wiseco Piston Kit for Arctic Cat M8 153 (2007–2009) delivers the strength and precision your sled demands, whether you're running trail miles or pushing race pace. Built from high-silicon alloy, these pistons resist the thermal and mechanical stress...
    09104031
    SKU:
    09104031
    Availability:
    Ships Same Business Day
    Weight:
    1.25 LBS
    RIDING STYLE:
    SNOW
    BORE SIZE METRIC:
    85.00 MM
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE METRIC:
    STANDARD
    DISPLACEMENT:
    794 CC
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    SKIRT COATING:
    ARMORGLIDE®
    UNITS:
    KIT
    BORE - OVERSIZE:
    STANDARD
    PISTON DIAMETER METRIC:
    84.87 MM
    STROKE LENGTH METRIC:
    70.00 MM
    MSRP: $154.95
    Now: $132.00
    Was: $154.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $154.95
    Now: $132.00
    Was: $154.95
    Subtotal:
  • On Sale
    Wiseco Piston Kit 78.50mm 670 H.O. 1998-1999 Ski-Doo MXZ 670 HO Summit 700 X SK1312

    Wiseco Piston Kit 78.50mm 670 H.O. 1998-1999 Ski-Doo MXZ 670 HO Summit 700 X SK1312

    WISECO

    MSRP: $409.95
    Now: $348.00
    Was: $409.95
    Factory pistons wear out—especially in high-performance applications where temperatures and combustion pressures demand more. The Wiseco SK1312 piston kit delivers OEM-quality replacements engineered specifically for your 1998-1999 Ski-Doo MXZ 670 and...
    09031230
    SKU:
    09031230
    Availability:
    Ships Same Business Day
    Weight:
    3.10 LBS
    BORE - OVERSIZE METRIC:
    +0.50 MM
    MODEL:
    PRO-LITE
    PISTON DIAMETER METRIC:
    78.33 MM
    RIDING STYLE:
    SNOW
    SKIRT COATING:
    NON-COATED
    TYPE:
    TOP END
    BORE - OVERSIZE:
    +0,50 MM
    BORE SIZE METRIC:
    78.00 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    UNITS:
    KIT
    COOLING SYSTEM:
    LIQUID COOLED
    ENGINE TYPE:
    2-STROKE
    STROKE LENGTH METRIC:
    70.00 MM
    DISPLACEMENT:
    678 CC
    PRODUCT NAME:
    REBUILD KIT
    MSRP: $409.95
    Now: $348.00
    Was: $409.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $409.95
    Now: $348.00
    Was: $409.95
    Subtotal:
  • On Sale
    Wiseco Piston Kit Ski-Doo MX Z 1999 79.00mm SK1313

    Wiseco Piston Kit Ski-Doo MX Z 1999 79.00mm SK1313

    WISECO

    MSRP: $434.95
    Now: $370.00
    Was: $434.95
    If you're running a Ski-Doo MX Z and pushing your sled to its limits, worn or damaged pistons will kill your performance and reliability. This Wiseco piston kit gives you the durability and thermal stability needed to handle aggressive riding and extreme...
    09031231
    SKU:
    09031231
    Availability:
    Ships Same Business Day
    Weight:
    3.25 LBS
    BORE - OVERSIZE METRIC:
    +1.00 MM
    DISPLACEMENT:
    686 CC
    MODEL:
    PRO-LITE
    RIDING STYLE:
    SNOW
    SKIRT COATING:
    NON-COATED
    TYPE:
    TOP END
    COOLING SYSTEM:
    LIQUID COOLED
    ENGINE TYPE:
    2-STROKE
    STROKE LENGTH METRIC:
    70.00 MM
    BORE - OVERSIZE:
    +1,00 MM
    BORE SIZE METRIC:
    78.00 MM
    PISTON DIAMETER METRIC:
    78.83 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    UNITS:
    KIT
    PRODUCT NAME:
    REBUILD KIT
    MSRP: $434.95
    Now: $370.00
    Was: $434.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $434.95
    Now: $370.00
    Was: $434.95
    Subtotal:
  • On Sale
    Wiseco Piston Kit 70.50mm for Ski-Doo MXZ 500 2000-2003 SK1324

    Wiseco Piston Kit 70.50mm for Ski-Doo MXZ 500 2000-2003 SK1324

    WISECO

    MSRP: $439.95
    Now: $374.00
    Was: $439.95
    If you're pushing your Ski-Doo MXZ 500 to its limits, stock pistons won't cut it. Wiseco's forged piston kit delivers the strength and thermal stability needed to handle extreme riding conditions without sacrificing reliability. This complete top-end...
    09031232
    SKU:
    09031232
    Availability:
    Ships Same Business Day
    Weight:
    2.45 LBS
    MODEL:
    PRO-LITE
    SKIRT COATING:
    NON-COATED
    STROKE LENGTH METRIC:
    65.80 MM
    TYPE:
    TOP END
    UNITS:
    KIT
    BORE - OVERSIZE:
    +1,00 MM
    BORE SIZE METRIC:
    69.50 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    SNOW
    BORE - OVERSIZE METRIC:
    +1.00 MM
    DISPLACEMENT:
    514 CC
    ENGINE TYPE:
    2-STROKE
    PISTON DIAMETER METRIC:
    70.37 MM
    COOLING SYSTEM:
    LIQUID COOLED
    PRODUCT NAME:
    REBUILD KIT
    MSRP: $439.95
    Now: $374.00
    Was: $439.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $439.95
    Now: $374.00
    Was: $439.95
    Subtotal:
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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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