Select Your Ride

1
2
3

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 800 Dragon RMK 155 2008-2010 Piston Ring Set RST8750

    Wossner 800 Dragon RMK 155 2008-2010 Piston Ring Set RST8750

    WOSSNER

    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Piston ring degradation is a silent killer of engine performance—worn rings allow combustion pressure to leak past the piston, robbing you of power and forcing oil past the cylinder walls. The...
    09120897
    SKU:
    09120897
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    RING SET
    UNITS:
    EACH
    BORE SIZE METRIC:
    87.50 MM
    RIDING STYLE:
    SNOW
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18.50
    Now: $17.58
    Was: $18.50
    Subtotal:
  • Bikeman Performance Piston Kit 2010-2012 Polaris 800 RMK 155 BMP-P800DK-1

    Bikeman Performance Piston Kit 2010-2012 Polaris 800 RMK 155 BMP-P800DK-1

    BIKEMAN PERFORMANCE

    $599.95
    High-mileage Polaris 800 RMK engines demand piston internals engineered to handle sustained performance demands while minimizing wear. The Bikeman Performance Piston Kit delivers custom-forged...
    09105722
    SKU:
    09105722
    Availability:
    Ships Same Business Day
    Weight:
    4.96 LBS
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    SNOW
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $599.95
    Subtotal:
  • Wiseco Piston Kit Standard Ski-Doo MXZ 440 1999-2003 SK1336

    Wiseco Piston Kit Standard Ski-Doo MXZ 440 1999-2003 SK1336

    WISECO

    $380.95
    If you're running a Ski-Doo MXZ 440 in serious conditions, a degraded top-end will kill your power and reliability fast. Wiseco's forged piston kit is engineered to handle extreme temperatures and...
    09030085
    SKU:
    09030085
    Availability:
    Ships Same Business Day
    Weight:
    2.30 LBS
    DISPLACEMENT:
    437 CC
    PISTON DIAMETER METRIC:
    64.86 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    TYPE:
    TOP END
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PISTON MATERIAL:
    ALUMINUM
    SKIRT COATING:
    NON-COATED
    UNITS:
    KIT
    BORE SIZE METRIC:
    65.00 MM
    COOLING SYSTEM:
    LIQUID COOLED
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    PRODUCT NAME:
    REBUILD KIT
    STROKE LENGTH METRIC:
    65.80 MM
    RIDING STYLE:
    SNOW
    $380.95
    Qty in Cart: 0
    Quantity:
    Price:
    $380.95
    Subtotal:
  • Wiseco Top End Bearing Kawasaki JS550 1982-1988 B1021

    Wiseco Top End Bearing Kawasaki JS550 1982-1988 B1021

    WISECO

    $25.95
    The Wiseco B1021 top end bearing is essential for maintaining reliable piston and rod performance in your Kawasaki JS550. Over thousands of engine cycles, factory bearings wear and develop play that...
    B1021
    SKU:
    B1021
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    LENGTH METRIC:
    22.5 MM
    OUTSIDE DIAMETER METRIC:
    20 MM
    PRODUCT NAME:
    BEARING
    MATERIAL:
    ALUMINUM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    TYPE:
    TOP END
    UNITS:
    EACH
    APPLICATION:
    PISTON
    INSIDE DIAMETER METRIC:
    16 MM
    MATERIAL:
    SILICONE
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    WATERCRAFT
    $25.95
    Qty in Cart: 0
    Quantity:
    Price:
    $25.95
    Subtotal:
  • Wiseco Piston Kit 1993-1995 Ski-Doo Formula Mach Z 2434M07000

    Wiseco Piston Kit 1993-1995 Ski-Doo Formula Mach Z 2434M07000

    WISECO

    $169.95
    When your Ski-Doo Formula Mach Z demands precision and durability, stock pistons won't cut it. The Wiseco 2434M07000 piston kit delivers the strength and reliability needed for sustained high-RPM...
    2434M07000
    SKU:
    2434M07000
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    PISTON KIT
    STROKE LENGTH METRIC:
    68.00 MM
    BORE - OVERSIZE:
    +0,50 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    SNOW
    BORE - OVERSIZE METRIC:
    +0.50 MM
    MODEL:
    PRO-LITE
    UNITS:
    KIT
    BORE SIZE METRIC:
    70.00 MM
    DISPLACEMENT:
    784 CC
    PISTON DIAMETER METRIC:
    69.90 MM
    SKIRT COATING:
    ARMORGLIDE®
    $169.95
    Qty in Cart: 0
    Quantity:
    Price:
    $169.95
    Subtotal:
  • Wiseco Piston 1.0mm Oversize 70.50mm for Ski-Doo Formula Mach Z 1993-1995 2434M07050

    Wiseco Piston 1.0mm Oversize 70.50mm for Ski-Doo Formula Mach Z 1993-1995 2434M07050

    WISECO

    $188.95
    If you're running a Ski-Doo Formula Mach Z and looking to restore cylinder wear or increase displacement for more power, this Wiseco piston delivers the precision and durability you need for serious...
    2434M07050
    SKU:
    2434M07050
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    BORE - OVERSIZE METRIC:
    +1.00 MM
    BORE SIZE METRIC:
    70.50 MM
    DISPLACEMENT:
    794 CC
    PISTON DIAMETER METRIC:
    70.40 MM
    SKIRT COATING:
    ARMORGLIDE®
    UNITS:
    KIT
    MODEL:
    PRO-LITE
    BORE - OVERSIZE:
    +1,00 MM
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    68.00 MM
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    $188.95
    Qty in Cart: 0
    Quantity:
    Price:
    $188.95
    Subtotal:
  • Wiseco Piston Kit 85mm Bore for 2004 Polaris 800 Classic 2428M08500

    Wiseco Piston Kit 85mm Bore for 2004 Polaris 800 Classic 2428M08500

    WISECO

    $154.95
    When you're pushing your Polaris 800 Classic to the edge, factory pistons become your weak link. The Wiseco 2428M08500 is engineered with high-silicon alloy construction to handle sustained high-RPM...
    2428M08500
    SKU:
    2428M08500
    Availability:
    Ships Same Business Day
    Weight:
    1.24 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    DISPLACEMENT:
    794 CC
    ENGINE TYPE:
    2-STROKE
    PISTON DIAMETER METRIC:
    84.85 MM
    PRODUCT NAME:
    PISTON KIT
    STROKE LENGTH METRIC:
    70.00 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    SKIRT COATING:
    ARMORGLIDE®
    MODEL:
    PRO-LITE
    RIDING STYLE:
    SNOW
    UNITS:
    KIT
    BORE SIZE METRIC:
    85.00 MM
    Qty in Cart: 0
    Quantity:
    Price:
    $154.95
    Subtotal:
  • Wiseco Piston Ski-Doo MXZ 800 2001 2430M08200

    Wiseco Piston Ski-Doo MXZ 800 2001 2430M08200

    WISECO

    $193.95
    If you're running a Ski-Doo MXZ 800, piston wear directly impacts throttle response, fuel efficiency, and overall engine reliability. The Wiseco 2430M08200 replaces worn or damaged pistons with...
    2430M08200
    SKU:
    2430M08200
    Availability:
    Ships Same Business Day
    Weight:
    1.20 LBS
    PISTON DIAMETER METRIC:
    81.87 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    ARMORGLIDE®
    UNITS:
    KIT
    DISPLACEMENT:
    800 CC
    RIDING STYLE:
    SNOW
    BORE SIZE METRIC:
    82.00 MM
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    STROKE LENGTH METRIC:
    75.70 MM
    $193.95
    Qty in Cart: 0
    Quantity:
    Price:
    $193.95
    Subtotal:
  • Wiseco Piston Kit 66mm Bore 1998-1999 Polaris 440 XCR 2401M06600

    Wiseco Piston Kit 66mm Bore 1998-1999 Polaris 440 XCR 2401M06600

    WISECO

    $149.95
    When your Polaris 440 XCR demands maximum reliability under extreme conditions, a worn or damaged piston compromises both power delivery and engine longevity. The Wiseco 2401M06600 piston kit...
    2401M06600
    SKU:
    2401M06600
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    DISPLACEMENT:
    438 CC
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    STROKE LENGTH METRIC:
    64.00 MM
    BORE - OVERSIZE METRIC:
    STANDARD
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    UNITS:
    KIT
    BORE - OVERSIZE:
    STANDARD
    BORE SIZE METRIC:
    66.00 MM
    PISTON DIAMETER METRIC:
    65.86 MM
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    SNOW
    SKIRT COATING:
    NON-COATED
    $149.95
    Qty in Cart: 0
    Quantity:
    Price:
    $149.95
    Subtotal:
  • Wiseco Piston Kit Arctic Cat ZR 500 1998-2000 Standard 2393M07100

    Wiseco Piston Kit Arctic Cat ZR 500 1998-2000 Standard 2393M07100

    WISECO

    $144.95
    The Wiseco Piston Kit 2393M07100 is engineered specifically for Arctic Cat ZR 500 engines (1998-2000), delivering the precision fit and durability required for sustained high-RPM performance on both...
    2393M07100
    SKU:
    2393M07100
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    SNOW
    BORE SIZE METRIC:
    71.00 MM
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    DISPLACEMENT:
    497 CC
    PISTON DIAMETER METRIC:
    70.90 MM
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    NON-COATED
    UNITS:
    KIT
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    STROKE LENGTH METRIC:
    62.70 MM
    $144.95
    Qty in Cart: 0
    Quantity:
    Price:
    $144.95
    Subtotal:
  • Wiseco Arctic Cat ZL 500 1999-2000 Standard Piston Kit 2394M08100

    Wiseco Arctic Cat ZL 500 1999-2000 Standard Piston Kit 2394M08100

    WISECO

    $177.95
    Piston wear is one of the most common failure points in high-mileage snowmobile engines—and a failed piston can mean catastrophic engine damage. The Wiseco Arctic Cat ZL 500 piston kit delivers...
    2394M08100
    SKU:
    2394M08100
    Availability:
    Ships Same Business Day
    Weight:
    0.98 LBS
    DISPLACEMENT:
    1000 CC
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    WATERCRAFT
    PISTON DIAMETER METRIC:
    80.90 MM
    STROKE LENGTH METRIC:
    64.60 MM
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    BORE SIZE METRIC:
    81.00 MM
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    NON-COATED
    MODEL:
    PRO-LITE
    UNITS:
    KIT
    $177.95
    Qty in Cart: 0
    Quantity:
    Price:
    $177.95
    Subtotal:
  • Wiseco Piston Assembly 69mm Bore Yamaha SRX700 1998-2002 2397M06900

    Wiseco Piston Assembly 69mm Bore Yamaha SRX700 1998-2002 2397M06900

    WISECO

    $177.95
    A worn or damaged piston directly compromises your SRX700's compression ratio, throttle response, and overall reliability—especially if you're pushing the engine hard on trail or racing duty. The...
    2397M06900
    SKU:
    2397M06900
    Availability:
    Ships Same Business Day
    Weight:
    0.76 LBS
    DISPLACEMENT:
    696 CC
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    62.00 MM
    BORE SIZE METRIC:
    69.00 MM
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    KIT
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PISTON DIAMETER METRIC:
    68.87 MM
    SKIRT COATING:
    ARMORGLIDE®
    $177.95
    Qty in Cart: 0
    Quantity:
    Price:
    $177.95
    Subtotal:
  • Wiseco Piston Kit 81mm Bore 1997-2005 Polaris 700 RMK XC SP 2399M08100

    Wiseco Piston Kit 81mm Bore 1997-2005 Polaris 700 RMK XC SP 2399M08100

    WISECO

    $182.95
    When your Polaris 700 RMK XC SP's engine is working harder than factory specs allow, a worn or damaged piston directly kills performance and reliability. The Wiseco 2399M08100 restores—or...
    2399M08100
    SKU:
    2399M08100
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    BORE SIZE METRIC:
    81.00 MM
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    PRODUCT NAME:
    PISTON KIT
    STROKE LENGTH METRIC:
    68.00 MM
    PISTON DIAMETER METRIC:
    80.89 MM
    UNITS:
    KIT
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    SNOW
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    DISPLACEMENT:
    700 CC
    SKIRT COATING:
    ARMORGLIDE®
    $182.95
    Qty in Cart: 0
    Quantity:
    Price:
    $182.95
    Subtotal:
  • Wiseco Piston Kit 66.60mm Bore Polaris 680 Fuji Engine 1996-1998 2366M06660

    Wiseco Piston Kit 66.60mm Bore Polaris 680 Fuji Engine 1996-1998 2366M06660

    WISECO

    $166.95
    When you're pushing your Polaris 680 to its limits, stock pistons won't cut it. The Wiseco 2366M06660 is engineered with high-silicon forged construction to handle sustained high RPM operation and...
    2366M06660
    SKU:
    2366M06660
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    BORE - OVERSIZE METRIC:
    STANDARD
    SKIRT COATING:
    NON-COATED
    PISTON DIAMETER METRIC:
    66.47 MM
    PRODUCT NAME:
    PISTON KIT
    BORE SIZE METRIC:
    66.60 MM
    MODEL:
    PRO-LITE
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    65.00 MM
    BORE - OVERSIZE:
    STANDARD
    DISPLACEMENT:
    680 CC
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    UNITS:
    KIT
    $166.95
    Qty in Cart: 0
    Quantity:
    Price:
    $166.95
    Subtotal:
  • Wiseco Piston Kit for 1997 Polaris 440 XC 2362M06825

    Wiseco Piston Kit for 1997 Polaris 440 XC 2362M06825

    WISECO

    $134.95
    When your Polaris 440 XC's piston wears beyond safe limits, power delivery suffers and engine reliability becomes questionable. Wiseco's high-silicon alloy construction restores the precision...
    2362M06825
    SKU:
    2362M06825
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    MODEL:
    PRO-LITE
    RIDING STYLE:
    SNOW
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    DISPLACEMENT:
    439 CC
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    STROKE LENGTH METRIC:
    60.00 MM
    BORE SIZE METRIC:
    68.25 MM
    PISTON DIAMETER METRIC:
    68.12 MM
    SKIRT COATING:
    NON-COATED
    UNITS:
    KIT
    PRODUCT NAME:
    PISTON KIT
    $134.95
    Qty in Cart: 0
    Quantity:
    Price:
    $134.95
    Subtotal:
  • Wiseco 66.50mm Standard Bore Piston Kit for Arctic Cat EXT 600 1997 2364M06650

    Wiseco 66.50mm Standard Bore Piston Kit for Arctic Cat EXT 600 1997 2364M06650

    WISECO

    $149.95
    Your Arctic Cat EXT 600's engine performance hinges on reliable internal components that can handle both sustained trail riding and peak racing conditions. A worn or stock piston limits power...
    2364M06650
    SKU:
    2364M06650
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    DISPLACEMENT:
    594 CC
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    SNOW
    BORE SIZE METRIC:
    66.50 MM
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    PISTON DIAMETER METRIC:
    66.42 MM
    STROKE LENGTH METRIC:
    57.00 MM
    UNITS:
    KIT
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PRODUCT NAME:
    PISTON KIT
    SKIRT COATING:
    ARMORGLIDE®
    Qty in Cart: 0
    Quantity:
    Price:
    $149.95
    Subtotal:
  • Wiseco Piston Kit Arctic Cat Wildcat 650 1988-1990 2370M08100

    Wiseco Piston Kit Arctic Cat Wildcat 650 1988-1990 2370M08100

    WISECO

    $155.95
    A worn or damaged piston compromises combustion efficiency and can lead to catastrophic engine failure. The Wiseco 2370M08100 delivers OEM-equivalent performance with the durability upgrade your...
    2370M08100
    SKU:
    2370M08100
    Availability:
    Ships Same Business Day
    Weight:
    1.15 LBS
    BORE - OVERSIZE METRIC:
    STANDARD
    PISTON DIAMETER METRIC:
    80.89 MM
    SKIRT COATING:
    NON-COATED
    UNITS:
    KIT
    BORE SIZE METRIC:
    78.00 MM
    DISPLACEMENT:
    699 CC
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    68.00 MM
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE:
    +3,00 MM
    BORE - OVERSIZE:
    STANDARD
    DISPLACEMENT:
    701 CC
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    $155.95
    Qty in Cart: 0
    Quantity:
    Price:
    $155.95
    Subtotal:
  • Wiseco Piston Kit 82.00mm 1.00mm Oversize Arctic Cat ZR 700 1994-1996 2370M08200

    Wiseco Piston Kit 82.00mm 1.00mm Oversize Arctic Cat ZR 700 1994-1996 2370M08200

    WISECO

    $149.95
    If you're running an Arctic Cat ZR 700 and need reliable ring and piston durability, this Wiseco +1.00mm kit delivers the precision fit and material quality that keeps your engine performing...
    2370M08200
    SKU:
    2370M08200
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    PISTON DIAMETER METRIC:
    81.88 MM
    RIDING STYLE:
    SNOW
    BORE - OVERSIZE:
    +1,00 MM
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE METRIC:
    +1.00 MM
    BORE SIZE METRIC:
    81.00 MM
    DISPLACEMENT:
    716 CC
    SKIRT COATING:
    NON-COATED
    STROKE LENGTH METRIC:
    68.00 MM
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    UNITS:
    KIT
    $149.95
    Qty in Cart: 0
    Quantity:
    Price:
    $149.95
    Subtotal:
  • Wiseco Piston Kit 0.50mm Oversize 72.90mm Ski-Doo Formula Plus 1987-1988 2373M07250

    Wiseco Piston Kit 0.50mm Oversize 72.90mm Ski-Doo Formula Plus 1987-1988 2373M07250

    WISECO

    $154.95
    If you're rebuilding or refreshing your Ski-Doo Formula Plus engine, bore wear and compression loss are inevitable—a quality oversize piston kit is your solution. This Wiseco unit delivers the...
    2373M07250
    SKU:
    2373M07250
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    DISPLACEMENT:
    248 CC
    DISPLACEMENT:
    521 CC
    DISPLACEMENT:
    528 CC
    PISTON DIAMETER METRIC:
    72.40 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    64.00 MM
    BORE - OVERSIZE:
    +0,50 MM
    BORE - OVERSIZE METRIC:
    +0.50 MM
    DISPLACEMENT:
    269 CC
    STROKE LENGTH METRIC:
    61.00 MM
    STROKE LENGTH METRIC:
    66.00 MM
    UNITS:
    KIT
    DISPLACEMENT:
    504 CC
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    PRODUCT NAME:
    PISTON KIT
    BORE SIZE METRIC:
    72.50 MM
    DISPLACEMENT:
    503 CC
    SKIRT COATING:
    ARMORGLIDE®
    Qty in Cart: 0
    Quantity:
    Price:
    $154.95
    Subtotal:
  • Wiseco Piston Kit 1.5mm Oversize 74.90mm Bore for Ski-Doo Formula Plus 1986-1988 2373M07350

    Wiseco Piston Kit 1.5mm Oversize 74.90mm Bore for Ski-Doo Formula Plus 1986-1988 2373M07350

    WISECO

    $179.95
    When your Ski-Doo Formula Plus is ready for a complete top-end rebuild, the Wiseco Piston Kit delivers the durability and precision fit you need to restore full compression and power. High-silicon...
    2373M07350
    SKU:
    2373M07350
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    BORE - OVERSIZE:
    +1,50 MM
    DISPLACEMENT:
    269 CC
    PISTON DIAMETER METRIC:
    73.40 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    SKIRT COATING:
    ARMORGLIDE®
    UNITS:
    KIT
    DISPLACEMENT:
    248 CC
    DISPLACEMENT:
    503 CC
    DISPLACEMENT:
    511 CC
    BORE - OVERSIZE METRIC:
    +1.50 MM
    BORE SIZE METRIC:
    73.50 MM
    DISPLACEMENT:
    543 CC
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    PRODUCT NAME:
    PISTON KIT
    DISPLACEMENT:
    521 CC
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    61.00 MM
    STROKE LENGTH METRIC:
    64.00 MM
    STROKE LENGTH METRIC:
    66.00 MM
    $179.95
    Qty in Cart: 0
    Quantity:
    Price:
    $179.95
    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

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER