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Dirt Bike Engine

Dirt Bike Engine

Dirt Bike Engine

Discover a full range of dirt bike engine components for rebuilding or upgrading your performance. From crankshafts to cylinder heads and piston kits, these precision-engineered components ensure reliable performance. For additional upgrades, check out our full selection of off-road dirt bike parts.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Wiseco Engine Rebuild Kit for Honda CR125R 2001-2002 PWR116A-104

    Wiseco Engine Rebuild Kit for Honda CR125R 2001-2002 PWR116A-104

    WISECO

    $554.95
    WISECO Engine Kit for CR125 (2001-2002) PWR116A-104 Revitalize your CR125 with the WISECO Engine Kit, designed for a comprehensive engine rebuild. This kit includes meticulously crafted components to ensure optimal performance and reliability, making it...
    09031496
    SKU:
    09031496
    Availability:
    Ships Same Business Day
    Weight:
    4.35 LBS
    ENGINE TYPE:
    2-STROKE
    MODEL:
    GARAGE BUDDY
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    54.00 MM
    DISPLACEMENT:
    125 CC
    OVERBORE METRIC:
    STANDARD
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    FEATURES:
    PROLITE® PISTON
    UNITS:
    KIT
    $554.95
    Qty in Cart: 0
    Quantity:
    Price:
    $554.95
    Subtotal:
  • Wiseco Engine Kit for Kawasaki KX65 2000-2005 PWR117-100

    Wiseco Engine Kit for Kawasaki KX65 2000-2005 PWR117-100

    WISECO

    $459.95
    WISECO Engine Kit KX65 2000-2005 PWR117-100 Revitalize your KX65 with the WISECO Engine Kit, designed for a comprehensive engine rebuild. This kit ensures optimal performance and longevity, featuring meticulously inspected components for reliability and...
    09031497
    SKU:
    09031497
    Availability:
    Ships Same Business Day
    Weight:
    7.40 LBS
    DISPLACEMENT:
    65 CC
    ENGINE TYPE:
    2-STROKE
    FEATURES:
    STANDARD PISTON
    MODEL:
    GARAGE BUDDY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE SIZE METRIC:
    44.50 MM
    OVERBORE METRIC:
    STANDARD
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    $459.95
    Qty in Cart: 0
    Quantity:
    Price:
    $459.95
    Subtotal:
  • Wiseco Engine Rebuild Kit Kawasaki KX100 1998-2005 PWR119-102

    Wiseco Engine Rebuild Kit Kawasaki KX100 1998-2005 PWR119-102

    WISECO

    $479.95
    WISECO Engine Kit for KX100 (1998-2005) - PWR119-102 Revitalize your KX100 with the WISECO Engine Kit, meticulously crafted for a complete engine rebuild. This kit ensures optimal performance and longevity, featuring high-quality components that have...
    09031499
    SKU:
    09031499
    Availability:
    Ships Same Business Day
    Weight:
    8.00 LBS
    ENGINE TYPE:
    2-STROKE
    MODEL:
    GARAGE BUDDY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE SIZE METRIC:
    52.50 MM
    FEATURES:
    PROLITE® PISTON
    OVERBORE METRIC:
    STANDARD
    DISPLACEMENT:
    100 CC
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    Qty in Cart: 0
    Quantity:
    Price:
    $479.95
    Subtotal:
  • Wiseco Engine Rebuild Kit Kawasaki KX85 2001-2005 PWR119-104

    Wiseco Engine Rebuild Kit Kawasaki KX85 2001-2005 PWR119-104

    WISECO

    $469.95
    WISECO Engine Kit for KX85 (2001-2005) - PWR119-104 Revitalize your KX85 with the WISECO Engine Kit, engineered for unparalleled performance and reliability. This comprehensive kit includes everything you need for a complete engine rebuild, ensuring your...
    09031500
    SKU:
    09031500
    Availability:
    Ships Same Business Day
    Weight:
    1.20 LBS
    TYPE:
    ENGINE
    FEATURES:
    PROLITE® PISTON
    OVERBORE METRIC:
    STANDARD
    PRODUCT NAME:
    REBUILD KIT
    DISPLACEMENT:
    85 CC
    ENGINE TYPE:
    2-STROKE
    MODEL:
    GARAGE BUDDY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE SIZE METRIC:
    48.50 MM
    $469.95
    Qty in Cart: 0
    Quantity:
    Price:
    $469.95
    Subtotal:
  • Wiseco Engine Rebuild Kit for 2001-2003 Suzuki RM125 PWR121-100

    Wiseco Engine Rebuild Kit for 2001-2003 Suzuki RM125 PWR121-100

    WISECO

    $529.95
    WISECO Engine Kit RM125 2001-2003 PWR121-100 Revitalize your RM125 with the WISECO Engine Kit, specifically designed for models from 2001 to 2003. This comprehensive kit includes all essential components for a complete engine rebuild, ensuring peak...
    09031501
    SKU:
    09031501
    Availability:
    Ships Same Business Day
    Weight:
    10.30 LBS
    DISPLACEMENT:
    125 CC
    FEATURES:
    PROLITE® PISTON
    ENGINE TYPE:
    2-STROKE
    MODEL:
    GARAGE BUDDY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE SIZE METRIC:
    54.00 MM
    OVERBORE METRIC:
    STANDARD
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    Qty in Cart: 0
    Quantity:
    Price:
    $529.95
    Subtotal:
  • Wiseco Engine Rebuild Kit for Yamaha YZ80 1993-2001 PWR122-100

    Wiseco Engine Rebuild Kit for Yamaha YZ80 1993-2001 PWR122-100

    WISECO

    $474.95
    WISECO Engine Kit for YZ80 (1993-2001) PWR122-100 Revitalize your YZ80 with the WISECO Engine Kit, designed for a comprehensive rebuild that enhances performance and reliability. This all-inclusive kit ensures your engine operates at peak efficiency,...
    09031502
    SKU:
    09031502
    Availability:
    Ships Same Business Day
    Weight:
    7.80 LBS
    DISPLACEMENT:
    80 CC
    FEATURES:
    PROLITE® PISTON
    BORE SIZE METRIC:
    47.00 MM
    OVERBORE METRIC:
    STANDARD
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    ENGINE TYPE:
    2-STROKE
    MODEL:
    GARAGE BUDDY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $474.95
    Qty in Cart: 0
    Quantity:
    Price:
    $474.95
    Subtotal:
  • Wiseco Engine Rebuild Kit Yamaha YZ85 2002-2018 PWR123-100

    Wiseco Engine Rebuild Kit Yamaha YZ85 2002-2018 PWR123-100

    WISECO

    $454.95
    WISECO Engine Kit for YZ85 (2002-2017) - PWR123-100 Revitalize your YZ85 with the WISECO Engine Kit, expertly crafted for a complete engine rebuild. This comprehensive kit ensures optimal performance and longevity, featuring meticulously inspected...
    09031503
    SKU:
    09031503
    Availability:
    Ships Same Business Day
    Weight:
    7.60 LBS
    FEATURES:
    PROLITE® PISTON
    OVERBORE METRIC:
    STANDARD
    BORE SIZE METRIC:
    47.50 MM
    DISPLACEMENT:
    85 CC
    MODEL:
    GARAGE BUDDY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    $454.95
    Qty in Cart: 0
    Quantity:
    Price:
    $454.95
    Subtotal:
  • Wiseco Engine Rebuild Kit for 1998-2000 Yamaha YZ125 PWR124-100

    Wiseco Engine Rebuild Kit for 1998-2000 Yamaha YZ125 PWR124-100

    WISECO

    $539.95
    WISECO Engine Kit for YZ125 (1998-2000) - PWR124-100 Revitalize your YZ125 with the WISECO Engine Kit, specifically designed for models from 1998 to 2000. This comprehensive kit includes all essential components for a complete engine rebuild, ensuring...
    09031504
    SKU:
    09031504
    Availability:
    Ships Same Business Day
    Weight:
    9.70 LBS
    FEATURES:
    PROLITE® PISTON
    OVERBORE METRIC:
    STANDARD
    BORE SIZE METRIC:
    54.00 MM
    DISPLACEMENT:
    125 CC
    ENGINE TYPE:
    2-STROKE
    TYPE:
    ENGINE
    PRODUCT NAME:
    REBUILD KIT
    MODEL:
    GARAGE BUDDY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $539.95
    Subtotal:
  • Wiseco Engine Rebuild Kit for 2001 Yamaha YZ125 PWR125-100

    Wiseco Engine Rebuild Kit for 2001 Yamaha YZ125 PWR125-100

    WISECO

    $539.95
    WISECO Engine Kit YZ125 2001 PWR125-100 Revitalize your YZ125 with the WISECO Engine Kit, meticulously crafted for a complete engine rebuild. This comprehensive kit ensures top performance and durability, featuring a precision-engineered crankshaft and...
    09031505
    SKU:
    09031505
    Availability:
    Ships Same Business Day
    Weight:
    9.85 LBS
    BORE SIZE METRIC:
    54.00 MM
    OVERBORE METRIC:
    STANDARD
    FEATURES:
    PROLITE® PISTON
    MODEL:
    GARAGE BUDDY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    DISPLACEMENT:
    125 CC
    ENGINE TYPE:
    2-STROKE
    $539.95
    Qty in Cart: 0
    Quantity:
    Price:
    $539.95
    Subtotal:
  • Wiseco Engine Rebuild Kit Yamaha YZ125 2002 PWR125-101

    Wiseco Engine Rebuild Kit Yamaha YZ125 2002 PWR125-101

    WISECO

    $534.95
    WISECO Engine Kit for YZ125 (2002) - PWR125-101 Revitalize your YZ125 with the WISECO Engine Kit, meticulously engineered for a complete top and bottom-end rebuild. This comprehensive kit ensures your engine operates at peak performance with components...
    09031506
    SKU:
    09031506
    Availability:
    Ships Same Business Day
    Weight:
    9.75 LBS
    ENGINE TYPE:
    2-STROKE
    MODEL:
    GARAGE BUDDY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    DISPLACEMENT:
    125 CC
    FEATURES:
    PROLITE® PISTON
    BORE SIZE METRIC:
    54.00 MM
    OVERBORE METRIC:
    STANDARD
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    $534.95
    Qty in Cart: 0
    Quantity:
    Price:
    $534.95
    Subtotal:
  • Wiseco Engine Rebuild Kit Yamaha YZ125 2003-2004 PWR125-102

    Wiseco Engine Rebuild Kit Yamaha YZ125 2003-2004 PWR125-102

    WISECO

    $534.95
    WISECO Engine Kit for YZ125 (2003-2004) - PWR125-102 Revitalize your YZ125 with the WISECO Engine Kit, meticulously engineered for a complete top and bottom-end rebuild. This comprehensive kit ensures your engine performs at its peak, featuring...
    09031507
    SKU:
    09031507
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    ENGINE TYPE:
    2-STROKE
    MODEL:
    GARAGE BUDDY
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    54.00 MM
    DISPLACEMENT:
    125 CC
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    FEATURES:
    PROLITE® PISTON
    OVERBORE METRIC:
    STANDARD
    UNITS:
    KIT
    $534.95
    Qty in Cart: 0
    Quantity:
    Price:
    $534.95
    Subtotal:
  • Wiseco Engine Rebuild Kit Yamaha YZ250 1999-2000 PWR126-100

    Wiseco Engine Rebuild Kit Yamaha YZ250 1999-2000 PWR126-100

    WISECO

    $644.95
    WISECO Engine Kit for YZ250 (1999-2000) PWR126-100 This comprehensive engine kit is designed specifically for the YZ250 models from 1999 to 2000, providing everything you need for a complete rebuild. With a focus on quality and performance, the kit...
    09031508
    SKU:
    09031508
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    MODEL:
    GARAGE BUDDY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE SIZE METRIC:
    66.40 MM
    FEATURES:
    PROLITE® PISTON
    OVERBORE METRIC:
    STANDARD
    DISPLACEMENT:
    250 CC
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    Qty in Cart: 0
    Quantity:
    Price:
    $644.95
    Subtotal:
  • Wiseco Engine Rebuild Kit Yamaha YZ250 2001 PWR127-100

    Wiseco Engine Rebuild Kit Yamaha YZ250 2001 PWR127-100

    WISECO

    $644.95
    WISECO Engine Kit for YZ250 2001 PWR127-100 Revitalize your YZ250 with the WISECO Engine Kit, designed for a comprehensive engine rebuild. This kit includes meticulously inspected components to ensure peak performance and longevity, making it the perfect...
    09031509
    SKU:
    09031509
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    PRODUCT NAME:
    REBUILD KIT
    DISPLACEMENT:
    250 CC
    ENGINE TYPE:
    2-STROKE
    TYPE:
    ENGINE
    BORE SIZE METRIC:
    66.40 MM
    FEATURES:
    PROLITE® PISTON
    OVERBORE METRIC:
    STANDARD
    MODEL:
    GARAGE BUDDY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $644.95
    Qty in Cart: 0
    Quantity:
    Price:
    $644.95
    Subtotal:
  • Wiseco Engine Rebuild Kit Yamaha YZ250 2002 PWR127-101

    Wiseco Engine Rebuild Kit Yamaha YZ250 2002 PWR127-101

    WISECO

    $649.95
    WISECO Engine Kit for YZ250 2002 - PWR127-101 Revitalize your YZ250 with the comprehensive WISECO Engine Kit, expertly crafted for a complete engine rebuild. This kit ensures optimal performance and longevity with high-quality components that have...
    09031510
    SKU:
    09031510
    Availability:
    Ships Same Business Day
    Weight:
    13.00 LBS
    PRODUCT NAME:
    REBUILD KIT
    DISPLACEMENT:
    250 CC
    ENGINE TYPE:
    2-STROKE
    TYPE:
    ENGINE
    BORE SIZE METRIC:
    66.40 MM
    OVERBORE METRIC:
    STANDARD
    FEATURES:
    PROLITE® PISTON
    MODEL:
    GARAGE BUDDY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $649.95
    Subtotal:
  • Wiseco Engine Kit for Kawasaki KX250 1993 PWR128-102

    Wiseco Engine Kit for Kawasaki KX250 1993 PWR128-102

    WISECO

    $669.95
    WISECO Engine Kit for KX250 (1993-2001) - PWR128-102 Revitalize your KX250 with the WISECO Engine Kit, specifically designed for models from 1993 to 2001. This comprehensive kit includes all essential components for a complete engine rebuild, ensuring...
    09031511
    SKU:
    09031511
    Availability:
    Ships Same Business Day
    Weight:
    13.40 LBS
    MODEL:
    GARAGE BUDDY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE SIZE METRIC:
    66.40 MM
    FEATURES:
    PROLITE® PISTON
    OVERBORE METRIC:
    STANDARD
    DISPLACEMENT:
    250 CC
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    $669.95
    Qty in Cart: 0
    Quantity:
    Price:
    $669.95
    Subtotal:
  • Wiseco Engine Rebuild Kit for Kawasaki KX60 1985-2003 PWR130-100

    Wiseco Engine Rebuild Kit for Kawasaki KX60 1985-2003 PWR130-100

    WISECO

    $459.95
    WISECO Complete Engine Rebuild Kit for KX60 (1985-2003) Revitalize your KX60 with the WISECO Engine Kit, designed for a comprehensive rebuild that ensures peak performance. This kit includes meticulously inspected components for both the top and bottom...
    09031512
    SKU:
    09031512
    Availability:
    Ships Same Business Day
    Weight:
    14.83 LBS
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    DISPLACEMENT:
    60 CC
    ENGINE TYPE:
    2-STROKE
    UNITS:
    KIT
    BORE SIZE METRIC:
    43.00 MM
    FEATURES:
    STANDARD PISTON
    MODEL:
    GARAGE BUDDY
    OVERBORE METRIC:
    STANDARD
    RIDING STYLE:
    OFF-ROAD
    $459.95
    Qty in Cart: 0
    Quantity:
    Price:
    $459.95
    Subtotal:
  • Wiseco Engine Rebuild Kit for Suzuki RM125 2004-2008 PWR135-100

    Wiseco Engine Rebuild Kit for Suzuki RM125 2004-2008 PWR135-100

    WISECO

    $564.95
    WISECO Engine Kit for RM125 (2004-2010) - PWR135-100 Revitalize your RM125 with the WISECO Engine Kit, specifically designed for models from 2004 to 2010. This comprehensive kit provides everything needed for a complete engine rebuild, ensuring optimal...
    09031520
    SKU:
    09031520
    Availability:
    Ships Same Business Day
    Weight:
    10.00 LBS
    DISPLACEMENT:
    125 CC
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    ENGINE TYPE:
    2-STROKE
    BORE SIZE METRIC:
    54.00 MM
    UNITS:
    KIT
    FEATURES:
    PROLITE® PISTON
    MODEL:
    GARAGE BUDDY
    OVERBORE METRIC:
    STANDARD
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $564.95
    Subtotal:
  • Wiseco Engine Rebuild Kit Honda CRF450R 2002-2006 PWR138-100

    Wiseco Engine Rebuild Kit Honda CRF450R 2002-2006 PWR138-100

    WISECO

    $974.95
    WISECO Engine Kit for CRF450 (2002-2006) - PWR138-100 Revitalize your CRF450 with the WISECO Engine Kit, expertly designed for a complete engine rebuild. This comprehensive kit includes high-quality components that ensure optimal performance and...
    09031524
    SKU:
    09031524
    Availability:
    Ships Same Business Day
    Weight:
    15.40 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $974.95
    Subtotal:
  • Wiseco Engine Rebuild Kit for 2007 Honda CRF450R PWR138-101

    Wiseco Engine Rebuild Kit for 2007 Honda CRF450R PWR138-101

    WISECO

    $974.95
    WISECO Complete Engine Rebuild Kit for CRF450 2007 Revitalize your CRF450 with the WISECO Engine Kit, meticulously engineered for a comprehensive rebuild. This all-inclusive package ensures your engine operates at peak performance, featuring high-quality...
    09031525
    SKU:
    09031525
    Availability:
    Ships Same Business Day
    Weight:
    15.05 LBS
    $974.95
    Qty in Cart: 0
    Quantity:
    Price:
    $974.95
    Subtotal:
  • Wiseco Engine Rebuild Kit Yamaha YZ450F 2003-2005 PWR139-100

    Wiseco Engine Rebuild Kit Yamaha YZ450F 2003-2005 PWR139-100

    WISECO

    $969.95
    WISECO Engine Kit for YZ450 (2003-2005) - PWR139-100 Revitalize your YZ450 with the WISECO Engine Kit, meticulously engineered for optimal performance and longevity. This comprehensive kit includes all essential top and bottom-end components, ensuring a...
    09031526
    SKU:
    09031526
    Availability:
    Ships Same Business Day
    Weight:
    13.80 LBS
    $969.95
    Qty in Cart: 0
    Quantity:
    Price:
    $969.95
    Subtotal:
  • Total: items /

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Dirt Bike Engine Parts

Keep your dirt bike running smoothly and prolong the life of its engine with essential general maintenance. But when parts start to break down, don't let it stop you from getting out on the trails! JJ Motorsports has all that you need for minor jobs like oil changes or major overhauls such as a complete rebuild - carrying top aftermarket brands . Get back in gear faster by shopping our full line of high-quality dirt bike engine parts here today at JJ Motorsports!

 

At JJ Motorsports, we want to make sure you don't miss out on the ride! If your motor has blown or radiator smashed, our gearheads can help get you back in the seat. We carry piston kits from top brands like Wiseco and Wrench Rabbit engine kits so that riders have access to a wide range of parts for their dirt bike engine rebuilds. Plus – with gaskets at-the-ready when it comes time for any leakages - no need to worry about maintenance issues either; simply stay up on oil & filter changes and let us take care of everything else. Got queries? Just give one of our knowledgeable staff members a call at 1-231‐767‐5055 where they'll be more than happy provide advice, instructions and tailored answers catered just for YOU!