Dirt Bike Engine

Dirt Bike Engine

Dirt Bike Engine

Explore our selection for dirt bike parts for adding horsepower or reliability to a dirt bike's engine. We feature engine parts from Wiseco, Vertex, and more common engine part manufacturers. Get new pistons and gasket kits for re-freshening engines to withstand any conditions you put your bike through!

  • WOSSNER Connecting Rod - KX250 P2022

    WOSSNER Connecting Rod - KX250 P2022

    WOSSNER

    $120.95
    WOSSNER Connecting Rod KX250 P2022Connecting Rod Kit contains all parts needed for crankshaft rebuild, Designed to fit OEM bearing and crank pin, Shot peened for ultimate strength and long life, 8620 forged alloy, FEA (computer simulation) used to fine...
    09230409
    SKU:
    09230409
    Availability:
    Ships Same Business Day
    Weight:
    1.20 LBS
    RIDING STYLE:
    STREET
    STYLE:
    STANDARD
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    ENGINE TYPE:
    2-STROKE
    $120.95
  • WOSSNER Piston Kit 8020D050

    WOSSNER Piston Kit 8020D050

    WOSSNER

    $117.95
    WOSSNER Piston Kit 8020D0502-stoke pistons include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German...
    09104720
    SKU:
    09104720
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    BORE - OVERSIZE:
    +0,50 MM
    MODEL:
    STANDARD SERIES
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    +0.50 MM
    BORE SIZE METRIC:
    54.50 MM
    DISPLACEMENT:
    125 CC
    ENGINE TYPE:
    2-STROKE
    PISTON SIZE METRIC:
    54.45 MM
    PRODUCT NAME:
    PISTON KIT
    TYPE:
    SINGLE RING
    $117.95
  • WOSSNER Piston Kit 8020D100

    WOSSNER Piston Kit 8020D100

    WOSSNER

    $132.95
    WOSSNER Piston Kit 8020D1002-stoke pistons include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German...
    09104721
    SKU:
    09104721
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    BORE - OVERSIZE METRIC:
    +1.00 MM
    PISTON SIZE METRIC:
    54.95 MM
    TYPE:
    SINGLE RING
    BORE - OVERSIZE:
    +1,00 MM
    BORE SIZE METRIC:
    55.00 MM
    MODEL:
    STANDARD SERIES
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    DISPLACEMENT:
    125 CC
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    PISTON KIT
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    $132.95
  • WOSSNER Piston Kit 8020DA

    WOSSNER Piston Kit 8020DA

    WOSSNER

    $117.95
    WOSSNER Piston Kit 8020DA2-stoke pistons include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...
    09104722
    SKU:
    09104722
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    BORE SIZE METRIC:
    54.00 MM
    PISTON SIZE METRIC:
    53.95 MM
    TYPE:
    SINGLE RING
    UNITS:
    KIT
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON KIT
    MODEL:
    STANDARD SERIES
    RIDING STYLE:
    OFF-ROAD
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    DISPLACEMENT:
    125 CC
    PISTON MATERIAL:
    FORGED
    $117.95
  • WOSSNER Piston Kit 8608DB

    WOSSNER Piston Kit 8608DB

    WOSSNER

    $207.95
    WOSSNER Piston Kit 8608DB2 Stoke Pistons:include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...
    09104945
    SKU:
    09104945
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    BORE - OVERSIZE:
    +0,01 MM
    PISTON SIZE METRIC:
    95.97 MM
    PRODUCT NAME:
    PISTON KIT
    MODEL:
    PREMIUM SERIES
    BORE SIZE METRIC:
    96.01 MM
    COMPRESSION RATIO IMPERIAL:
    12.0:1
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    BORE - OVERSIZE METRIC:
    +0.01 MM
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $207.95
  • WOSSNER Piston Kit 8614DA

    WOSSNER Piston Kit 8614DA

    WOSSNER

    $182.95
    WOSSNER Piston Kit 8614DA2 Stoke Pistons:include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...
    09104947
    SKU:
    09104947
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    BORE SIZE METRIC:
    77.00 MM
    COMPRESSION RATIO IMPERIAL:
    12.5:1
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE METRIC:
    STANDARD
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE - OVERSIZE:
    STANDARD
    ENGINE TYPE:
    4-STROKE
    MODEL:
    PRO SERIES
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    PISTON SIZE METRIC:
    76.96 MM
    $182.95
  • WOSSNER Piston Kit 8630DA

    WOSSNER Piston Kit 8630DA

    WOSSNER

    $198.95
    WOSSNER Piston Kit 8630DA2 Stoke Pistons:include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...
    09104950
    SKU:
    09104950
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    BORE - OVERSIZE METRIC:
    STANDARD
    MODEL:
    STANDARD SERIES
    PRODUCT NAME:
    PISTON KIT
    BORE SIZE METRIC:
    95.00 MM
    PISTON SIZE METRIC:
    94.96 MM
    BORE - OVERSIZE:
    STANDARD
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    COMPRESSION RATIO IMPERIAL:
    12.3:1
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $198.95
  • WOSSNER Piston Kit 8630DC

    WOSSNER Piston Kit 8630DC

    WOSSNER

    $198.95
    WOSSNER Piston Kit 8630DC2 Stoke Pistons:include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...
    09104952
    SKU:
    09104952
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    BORE - OVERSIZE:
    +0,02 MM
    UNITS:
    KIT
    BORE SIZE METRIC:
    95.02 MM
    COMPRESSION RATIO IMPERIAL:
    12.3:1
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON SIZE METRIC:
    94.98 MM
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE METRIC:
    +0.02 MM
    MODEL:
    STANDARD SERIES
    RIDING STYLE:
    OFF-ROAD
    PISTON MATERIAL:
    FORGED
    $198.95
  • WOSSNER Piston Kit 8635DA

    WOSSNER Piston Kit 8635DA

    WOSSNER

    $182.95
    WOSSNER Piston Kit 8635DA2 Stoke Pistons:include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...
    09104953
    SKU:
    09104953
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE SIZE METRIC:
    77.00 MM
    ENGINE TYPE:
    4-STROKE
    MODEL:
    PRO SERIES
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    13.5:1
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    PISTON SIZE METRIC:
    76.96 MM
    $182.95
  • WOSSNER Piston Kit 8635DB

    WOSSNER Piston Kit 8635DB

    WOSSNER

    $182.95
    WOSSNER Piston Kit 8635DB2 Stoke Pistons:include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...
    09104954
    SKU:
    09104954
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    BORE SIZE METRIC:
    77.01 MM
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE:
    +0,01 MM
    BORE - OVERSIZE METRIC:
    +0.01 MM
    COMPRESSION RATIO IMPERIAL:
    13.5:1
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    ENGINE TYPE:
    4-STROKE
    MODEL:
    PRO SERIES
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    PISTON SIZE METRIC:
    76.97 MM
    $182.95
  • WOSSNER Piston Kit 8635DC

    WOSSNER Piston Kit 8635DC

    WOSSNER

    $182.95
    WOSSNER Piston Kit 8635DC2 Stoke Pistons:include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...
    09104955
    SKU:
    09104955
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    BORE - OVERSIZE:
    +0,02 MM
    BORE - OVERSIZE METRIC:
    +0.02 MM
    BORE SIZE METRIC:
    77.02 MM
    COMPRESSION RATIO IMPERIAL:
    13.5:1
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    PISTON KIT
    ENGINE TYPE:
    4-STROKE
    MODEL:
    PRO SERIES
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    PISTON SIZE METRIC:
    76.98 MM
    $182.95
  • WOSSNER Piston Kit 8645DB

    WOSSNER Piston Kit 8645DB

    WOSSNER

    $198.95
    WOSSNER Piston Kit 8645DB2 Stoke Pistons:include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...
    09104957
    SKU:
    09104957
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    BORE - OVERSIZE METRIC:
    +0.01 MM
    COMPRESSION RATIO IMPERIAL:
    12.9:1
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE SIZE METRIC:
    76.01 MM
    MODEL:
    PREMIUM SERIES
    PISTON SIZE METRIC:
    75.97 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    BORE - OVERSIZE:
    +0,01 MM
    PRODUCT NAME:
    PISTON KIT
    $198.95
  • WOSSNER Piston Kit 8656DC

    WOSSNER Piston Kit 8656DC

    WOSSNER

    $182.95
    WOSSNER Piston Kit 8656DC2 Stoke Pistons:include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...
    09104962
    SKU:
    09104962
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    BORE - OVERSIZE:
    STANDARD
    ENGINE TYPE:
    4-STROKE
    MODEL:
    PRO SERIES
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE METRIC:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    13.5:1
    PISTON SIZE METRIC:
    77.98 MM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE SIZE METRIC:
    78.02 MM
  • WRENCH RABBIT Engine Kit - Suzuki WR101-076

    WRENCH RABBIT Engine Kit - Suzuki WR101-076

    WRENCH RABBIT

    $1,085.95
    WRENCH RABBIT Engine Kit Suzuki WR101-076Convenient one-stop shop in a box; nearly all components required for a complete and professional rebuild, Vertex piston kit (standard compression piston, rings, pin and clips), Hot Rods heavy-duty crank (stock...
    09031011
    SKU:
    09031011
    Availability:
    Ships Same Business Day
    Weight:
    15.95 LBS
    FEATURES:
    STANDARD COMPRESSION PISTON
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    ENGINE TYPE:
    4-STROKE
    MODEL:
    WRENCH RABBIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $1,085.95
  • WRENCH RABBIT Engine Kit - Yamaha WR101-081

    WRENCH RABBIT Engine Kit - Yamaha WR101-081

    WRENCH RABBIT

    $620.95
    WRENCH RABBIT Engine Kit Yamaha WR101-081Convenient one-stop shop in a box; nearly all components required for a complete and professional rebuild, Vertex piston kit (standard compression piston, rings, pin and clips), Hot Rods heavy-duty crank (stock...
    09031016
    SKU:
    09031016
    Availability:
    Ships Same Business Day
    Weight:
    10.30 LBS
    ENGINE TYPE:
    2-STROKE
    MODEL:
    WRENCH RABBIT
    TYPE:
    ENGINE
    PRODUCT NAME:
    REBUILD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    FEATURES:
    STANDARD COMPRESSION PISTON
  • WRENCH RABBIT Engine Kit - Kawasaki WR101-011

    WRENCH RABBIT Engine Kit - Kawasaki WR101-011

    WRENCH RABBIT

    $498.95
    WRENCH RABBIT Engine Kit Kawasaki WR101-011Convenient one-stop shop in a box; nearly all components required for a complete and professional rebuild, Vertex piston kit (standard compression piston, rings, pin and clips), Hot Rods heavy-duty crank (stock...
    09031058
    SKU:
    09031058
    Availability:
    Ships Same Business Day
    Weight:
    8.10 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    REBUILD KIT
    ENGINE TYPE:
    2-STROKE
    MODEL:
    WRENCH RABBIT
    TYPE:
    ENGINE
    FEATURES:
    STANDARD COMPRESSION PISTON
    $498.95
  • WRENCH RABBIT Engine Kit - KTM WR101-216

    WRENCH RABBIT Engine Kit - KTM WR101-216

    WRENCH RABBIT

    $830.95
    WRENCH RABBIT Engine Kit KTM WR101-216Convenient one-stop shop in a box; nearly all components required for a complete and professional rebuild, Vertex piston kit (standard compression piston, rings, pin and clips), Hot Rods heavy-duty crank (stock...
    09031060
    SKU:
    09031060
    Availability:
    Ships Same Business Day
    Weight:
    11.00 LBS
    TYPE:
    ENGINE
    FEATURES:
    STANDARD COMPRESSION PISTON
    PRODUCT NAME:
    REBUILD KIT
    ENGINE TYPE:
    2-STROKE
    MODEL:
    WRENCH RABBIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $830.95
  • WRENCH RABBIT Engine Kit - KTM WR101-067

    WRENCH RABBIT Engine Kit - KTM WR101-067

    WRENCH RABBIT

    $830.95
    WRENCH RABBIT Engine Kit KTM WR101-067Convenient one-stop shop in a box; nearly all components required for a complete and professional rebuild, Vertex piston kit (standard compression piston, rings, pin and clips), Hot Rods heavy-duty crank (stock...
    09031063
    SKU:
    09031063
    Availability:
    Ships Same Business Day
    Weight:
    13.95 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    REBUILD KIT
    ENGINE TYPE:
    2-STROKE
    MODEL:
    WRENCH RABBIT
    TYPE:
    ENGINE
    FEATURES:
    STANDARD COMPRESSION PISTON
    $830.95
  • WRENCH RABBIT Engine Kit - KTM WR101-090

    WRENCH RABBIT Engine Kit - KTM WR101-090

    WRENCH RABBIT

    $830.95
    WRENCH RABBIT Engine Kit KTM WR101-090Convenient one-stop shop in a box; nearly all components required for a complete and professional rebuild, Vertex piston kit (standard compression piston, rings, pin and clips), Hot Rods heavy-duty crank (stock...
    09031065
    SKU:
    09031065
    Availability:
    Ships Same Business Day
    Weight:
    15.23 LBS
    ENGINE TYPE:
    2-STROKE
    MODEL:
    WRENCH RABBIT
    FEATURES:
    STANDARD COMPRESSION PISTON
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    $830.95
  • WRENCH RABBIT Engine Kit - Kawasaki WR101-114

    WRENCH RABBIT Engine Kit - Kawasaki WR101-114

    WRENCH RABBIT

    $730.95
    WRENCH RABBIT Engine Kit Kawasaki WR101-114Convenient one-stop shop in a box; nearly all components required for a complete and professional rebuild, Vertex piston kit (standard compression piston, rings, pin and clips), Hot Rods heavy-duty crank (stock...
    09031088
    SKU:
    09031088
    Availability:
    Ships Same Business Day
    Weight:
    14.35 LBS
    ENGINE TYPE:
    2-STROKE
    MODEL:
    WRENCH RABBIT
    TYPE:
    ENGINE
    FEATURES:
    STANDARD COMPRESSION PISTON
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    REBUILD KIT
    $730.95

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!