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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.

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  • Wossner Piston Kit 76.98mm Kawasaki KX250F 2006-2009 8635DC

    Wossner Piston Kit 76.98mm Kawasaki KX250F 2006-2009 8635DC

    WOSSNER

    $184.00
    WOSSNER Piston Kit 8635DC Experience unmatched performance with the WOSSNER Piston Kit 8635DC, expertly engineered for 2-stroke engines. Each kit includes a high-quality piston, rings, pin, and clips, designed to enhance durability and efficiency. With...
    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
    $184.00
    Qty in Cart: 0
    Quantity:
    Price:
    $184.00
    Subtotal:
  • Wossner Piston Kit 75.97mm for KTM 250 SX-F 2006-2012 8645DB

    Wossner Piston Kit 75.97mm for KTM 250 SX-F 2006-2012 8645DB

    WOSSNER

    $204.00
    WOSSNER Piston Kit 8645DB Elevate your engine's performance with the WOSSNER Piston Kit 8645DB, meticulously engineered for 2-stroke applications. Crafted from premium 4032 T6 forged aluminum alloy, this piston kit delivers exceptional durability and...
    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
    $204.00
    Qty in Cart: 0
    Quantity:
    Price:
    $204.00
    Subtotal:
  • Wossner Piston Kit 77.98mm Honda CRF250X 2004-2017 8656DC

    Wossner Piston Kit 77.98mm Honda CRF250X 2004-2017 8656DC

    WOSSNER

    $184.00
    WOSSNER Piston Kit 8656DC Experience unparalleled performance with the WOSSNER Piston Kit 8656DC, designed specifically for 2-stroke engines. This kit combines advanced engineering and high-quality materials to enhance your engine's efficiency and power...
    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
    $184.00
    Qty in Cart: 0
    Quantity:
    Price:
    $184.00
    Subtotal:
  • Wrench Rabbit Engine Rebuild Kit for Suzuki RMZ450 2008-2012 WR101-076

    Wrench Rabbit Engine Rebuild Kit for Suzuki RMZ450 2008-2012 WR101-076

    WRENCH RABBIT

    $1,193.95
    WRENCH RABBIT Engine Kit for Suzuki WR101-076 Revitalize your Suzuki with the WRENCH RABBIT Engine Kit, a comprehensive solution designed for a seamless and professional rebuild. This all-in-one kit includes high-quality components that ensure optimal...
    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
    $1,193.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,193.95
    Subtotal:
  • Wrench Rabbit Yamaha YZ125 2005-2016 Complete Engine Rebuild Kit WR101-081

    Wrench Rabbit Yamaha YZ125 2005-2016 Complete Engine Rebuild Kit WR101-081

    WRENCH RABBIT

    $682.95
    WRENCH RABBIT Engine Kit for Yamaha WR101-081 Revitalize your Yamaha WR with the WRENCH RABBIT Engine Kit, a comprehensive solution designed for a seamless and professional rebuild. This all-in-one kit includes high-quality components that ensure optimal...
    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
    $682.95
    Qty in Cart: 0
    Quantity:
    Price:
    $682.95
    Subtotal:
  • Wrench Rabbit Complete Engine Rebuild Kit for Kawasaki KX80 1998-2000 WR101-011

    Wrench Rabbit Complete Engine Rebuild Kit for Kawasaki KX80 1998-2000 WR101-011

    WRENCH RABBIT

    $548.95
    WRENCH RABBIT Engine Kit for Kawasaki WR101-011 Revitalize your Kawasaki with the WRENCH RABBIT Engine Kit, designed for a comprehensive and professional rebuild. This all-in-one solution includes high-quality components to ensure optimal performance and...
    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
    $548.95
    Qty in Cart: 0
    Quantity:
    Price:
    $548.95
    Subtotal:
  • Wrench Rabbit Complete Engine Rebuild Kit for 2007-2015 KTM 125 SX WR101-216

    Wrench Rabbit Complete Engine Rebuild Kit for 2007-2015 KTM 125 SX WR101-216

    WRENCH RABBIT

    $912.95
    WRENCH RABBIT Engine Kit KTM WR101-216 Revitalize your KTM with the WRENCH RABBIT Engine Kit, designed for a seamless and professional engine rebuild. This comprehensive kit includes everything you need for optimal performance and reliability, ensuring...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $912.95
    Subtotal:
  • Wrench Rabbit Engine Rebuild Kit for KTM 250 SX 2007-2015 WR101-067

    Wrench Rabbit Engine Rebuild Kit for KTM 250 SX 2007-2015 WR101-067

    WRENCH RABBIT

    $912.95
    WRENCH RABBIT Engine Kit KTM WR101-067 Revitalize your KTM with the WRENCH RABBIT Engine Kit, the ultimate solution for a complete and professional rebuild. This all-in-one package includes everything you need to restore your engine to peak performance,...
    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
    $912.95
    Qty in Cart: 0
    Quantity:
    Price:
    $912.95
    Subtotal:
  • Wrench Rabbit Engine Rebuild Kit for KTM 200 EXC 2003 WR101-090

    Wrench Rabbit Engine Rebuild Kit for KTM 200 EXC 2003 WR101-090

    WRENCH RABBIT

    $912.95
    WRENCH RABBIT Engine Kit KTM WR101-090 Revitalize your KTM with the WRENCH RABBIT Engine Kit, a comprehensive solution for a complete and professional engine rebuild. This all-in-one kit includes high-quality components designed to restore your engine's...
    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
    $912.95
    Qty in Cart: 0
    Quantity:
    Price:
    $912.95
    Subtotal:
  • Wrench Rabbit Complete Engine Rebuild Kit Kawasaki KX250 2002-2003 WR101-114

    Wrench Rabbit Complete Engine Rebuild Kit Kawasaki KX250 2002-2003 WR101-114

    WRENCH RABBIT

    $803.95
    WRENCH RABBIT Engine Kit for Kawasaki WR101-114 Revitalize your Kawasaki with the WRENCH RABBIT Engine Kit, designed for a seamless and professional rebuild. This comprehensive kit includes all essential components, ensuring your engine performs at its...
    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
    $803.95
    Qty in Cart: 0
    Quantity:
    Price:
    $803.95
    Subtotal:
  • MOOSE RACING Oil Filter DT-09-21

    MOOSE RACING Oil Filter DT-09-21

    MOOSE RACING

    $5.95
    MOOSE RACING Oil Filter DT-09-21High-quality replacement for your standard filter, Can filter down to 10 microns, Constructed with high-quality paper filter materials, Manufactured with sealing ring to ensure perfect fit, Offers maximum protection and...
    07120221
    SKU:
    07120221
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    FILTER MEDIA MATERIAL:
    PAPER
    RIDING STYLE:
    ATV
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    STYLE:
    STANDARD
    TYPE:
    CARTRIDGE
    UNITS:
    EACH
    MICRON RATING:
    10 MICRONS
    PRODUCT NAME:
    OIL FILTER
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $5.95
    Subtotal:
  • MOOSE RACING Magnetic Drain Plug DP110

    MOOSE RACING Magnetic Drain Plug DP110

    MOOSE RACING

    $23.95
    MOOSE RACING Magnetic Drain Plug DP110Made from 7075 lightweight aluminum, Prolong engine life by pulling metal filings out of the oil, Ultra-powerful magnets, Come with either O-ring or washer sealing surface, Compare with original OEM plug before...
    09200048
    SKU:
    09200048
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    7075 ALUMINUM
    UNITS:
    EACH
    DIAMETER - THREAD SIZE METRIC:
    M10 X 1.50 X 17 MM
    FEATURES:
    MAGNETIC
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    DRAIN
    PRODUCT NAME:
    PLUG
    COLOR/FINISH:
    RED
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    Qty in Cart: 0
    Quantity:
    Price:
    $23.95
    Subtotal:
  • VESRAH Top End Gasket Kit - Kawasaki 100 VG-843

    VESRAH Top End Gasket Kit - Kawasaki 100 VG-843

    VESRAH

    $16.62
    Complete gasket sets include all necessary engine gaskets, o-rings and valve guide oil seals to rebuild a complete engine (do not include oil seals); sold each, Top-end gasket sets include all necessary top-end gaskets, o-rings and valve guide oil seals...
    VG843
    SKU:
    VG843
    Availability:
    Ships Same Business Day
    Weight:
    0.36 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    SET
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    $16.62
    Qty in Cart: 0
    Quantity:
    Price:
    $16.62
    Subtotal:
  • Hiflofiltro Oil Filter for Honda CB1000 1994-1995 HF303C

    Hiflofiltro Oil Filter for Honda CB1000 1994-1995 HF303C

    HIFLOFILTRO

    $14.18
    HIFLOFILTRO Oil Filter HF303C Experience superior engine protection with the HIFLOFILTRO Oil Filter HF303C, designed for optimal performance in a variety of vehicles. This premium oil filter ensures efficient filtration, extending the life of your engine...
    HF303C
    SKU:
    HF303C
    Availability:
    Ships Same Business Day
    Weight:
    0.52 LBS
    COLOR/FINISH:
    CHROME
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    LENGTH METRIC:
    73 MM
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    STYLE:
    PREMIUM
    BASE FINISH:
    CHROME
    PRODUCT NAME:
    OIL FILTER
    RIDING STYLE:
    UTV
    TYPE:
    SPIN-ON
    WIDTH METRIC:
    65 MM
    $14.18
    Qty in Cart: 0
    Quantity:
    Price:
    $14.18
    Subtotal:
  • Hiflofiltro HF154 Oil Filter for Husqvarna SM 610 2006-2007

    Hiflofiltro HF154 Oil Filter for Husqvarna SM 610 2006-2007

    HIFLOFILTRO

    $6.29
    HIFLOFILTRO Oil Filter HF154 Experience superior engine protection with the HIFLOFILTRO Oil Filter HF154. Designed for high performance, this premium oil filter ensures optimal filtration and longevity, keeping your engine running smoothly. Trust in a...
    HF154
    SKU:
    HF154
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    TYPE:
    CARTRIDGE
    BASE COLOR:
    RED
    PRODUCT NAME:
    OIL FILTER
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    RED
    LENGTH METRIC:
    48 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    STYLE:
    PREMIUM
    WIDTH METRIC:
    45 MM
    $6.29
    Qty in Cart: 0
    Quantity:
    Price:
    $6.29
    Subtotal:
  • Hiflofiltro Oil Filter for Yamaha YFM200 1985-1989 HF143

    Hiflofiltro Oil Filter for Yamaha YFM200 1985-1989 HF143

    HIFLOFILTRO

    $8.29
    HIFLOFILTRO Oil Filter HF143 Discover superior engine protection with the HIFLOFILTRO Oil Filter HF143. Designed for high performance, this premium oil filter ensures optimal filtration and longevity, keeping your engine running smoothly. Trust in...
    HF143
    SKU:
    HF143
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    BASE COLOR:
    YELLOW
    PRODUCT NAME:
    OIL FILTER
    STYLE:
    PREMIUM
    LENGTH METRIC:
    48 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    TYPE:
    CARTRIDGE
    UNITS:
    EACH
    COLOR/FINISH:
    YELLOW
    RIDING STYLE:
    OFF-ROAD
    WIDTH METRIC:
    38 MM
    $8.29
    Qty in Cart: 0
    Quantity:
    Price:
    $8.29
    Subtotal:
  • Hiflofiltro Oil Filter for Yamaha WR250F 2003-2008 HF141

    Hiflofiltro Oil Filter for Yamaha WR250F 2003-2008 HF141

    HIFLOFILTRO

    $5.32
    HIFLOFILTRO Oil Filter HF141 Experience superior engine protection with the HIFLOFILTRO Oil Filter HF141. Engineered to meet or exceed OEM specifications, this premium oil filter ensures optimal oil flow and filtration, enhancing the longevity and...
    HF141
    SKU:
    HF141
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    LENGTH METRIC:
    46 MM
    PRODUCT NAME:
    OIL FILTER
    BASE COLOR:
    RED
    STYLE:
    PREMIUM
    COLOR/FINISH:
    RED
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TYPE:
    CARTRIDGE
    UNITS:
    EACH
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    WIDTH METRIC:
    38 MM
    $5.32
    Qty in Cart: 0
    Quantity:
    Price:
    $5.32
    Subtotal:
  • Hiflofiltro Oil Filter for 2003-2006 Kawasaki KFX 400 KSF400A1-A3,A6F HF139

    Hiflofiltro Oil Filter for 2003-2006 Kawasaki KFX 400 KSF400A1-A3,A6F HF139

    HIFLOFILTRO

    $4.47
    HIFLOFILTRO Oil Filter HF139 Experience superior engine protection with the HIFLOFILTRO Oil Filter HF139. Designed for high performance and durability, this premium oil filter ensures optimal oil flow and filtration efficiency, contributing to the...
    HF139
    SKU:
    HF139
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    COLOR/FINISH:
    RED
    LENGTH METRIC:
    44 MM
    PRODUCT NAME:
    OIL FILTER
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TYPE:
    CARTRIDGE
    WIDTH METRIC:
    44 MM
    STYLE:
    PREMIUM
    BASE COLOR:
    RED
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $4.47
    Qty in Cart: 0
    Quantity:
    Price:
    $4.47
    Subtotal:
  • Hiflofiltro Oil Filter for Suzuki DR650S 1990-1996 HF137

    Hiflofiltro Oil Filter for Suzuki DR650S 1990-1996 HF137

    HIFLOFILTRO

    $5.18
    HIFLOFILTRO Oil Filter HF137 Experience superior engine performance with the HIFLOFILTRO Oil Filter HF137. Designed for optimal filtration and durability, this premium oil filter ensures your engine runs smoothly and efficiently. Trust in HIFLOFILTRO's...
    HF137
    SKU:
    HF137
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    COLOR/FINISH:
    RED
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    TYPE:
    CARTRIDGE
    WIDTH METRIC:
    60 MM
    LENGTH METRIC:
    37 MM
    PRODUCT NAME:
    OIL FILTER
    BASE COLOR:
    RED
    STYLE:
    PREMIUM
    UNITS:
    EACH
    $5.18
    Qty in Cart: 0
    Quantity:
    Price:
    $5.18
    Subtotal:
  • Hiflofiltro Oil Filter for Honda CBR250R 2011-2013 HF112

    Hiflofiltro Oil Filter for Honda CBR250R 2011-2013 HF112

    HIFLOFILTRO

    $3.92
    HIFLOFILTRO Oil Filter HF112 Experience superior engine protection with the HIFLOFILTRO Oil Filter HF112, designed to meet or exceed OEM specifications. This premium oil filter ensures optimal performance and longevity for your vehicle, making it an...
    HF112
    SKU:
    HF112
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    RED
    LENGTH METRIC:
    38 MM
    RIDING STYLE:
    STREET
    TYPE:
    CARTRIDGE
    PRODUCT NAME:
    OIL FILTER
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    RED
    RIDING STYLE:
    ATV
    STYLE:
    PREMIUM
    UNITS:
    EACH
    WIDTH METRIC:
    50 MM
    $3.92
    Qty in Cart: 0
    Quantity:
    Price:
    $3.92
    Subtotal:
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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!