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!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • WISECO Piston Kit with Gasket - Kawasaki PK1904

    WISECO Piston Kit with Gasket - Kawasaki PK1904

    WISECO

    $169.95
    WISECO Piston Kit with Gasket Kawasaki PK1904Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins,...
    09031148
    SKU:
    09031148
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    DISPLACEMENT:
    84.9 CC
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    REBUILD KIT
    PISTON DIAMETER METRIC:
    48.45 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH METRIC:
    45.80 MM
    UNITS:
    KIT
    BORE SIZE METRIC:
    48.50 MM
    MODEL:
    PRO-LITE
    SKIRT COATING:
    NON-COATED
    TYPE:
    TOP END
    $169.95
    Qty in Cart: 0
    Quantity:
    Price:
    $169.95
    Subtotal:
    $0.00
  • WISECO Piston Kit with Gasket - Kawasaki PK1905

    WISECO Piston Kit with Gasket - Kawasaki PK1905

    WISECO

    $169.95
    WISECO Piston Kit with Gasket Kawasaki PK1905Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins,...
    09031149
    SKU:
    09031149
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    BORE - OVERSIZE:
    +0,50 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH METRIC:
    45.80 MM
    UNITS:
    KIT
    PRODUCT NAME:
    REBUILD KIT
    BORE SIZE METRIC:
    49.00 MM
    ENGINE TYPE:
    2-STROKE
    PISTON DIAMETER METRIC:
    48.95 MM
    BORE - OVERSIZE METRIC:
    +0.50 MM
    DISPLACEMENT:
    84.9 CC
    MODEL:
    PRO-LITE
    SKIRT COATING:
    NON-COATED
    TYPE:
    TOP END
    $169.95
    Qty in Cart: 0
    Quantity:
    Price:
    $169.95
    Subtotal:
    $0.00
  • WISECO Top End Bearing B1000

    WISECO Top End Bearing B1000

    WISECO

    $23.99
    WISECO Top End Bearing B1000Forged from high-silicon aluminum alloy for maximum strength and dependability, High-quality bearings are manufactured to the highest standards; case-hardened for maximum life and smooth operation at high engine speeds
    B1000
    SKU:
    B1000
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    APPLICATION:
    PISTON
    INSIDE DIAMETER METRIC:
    12 MM
    MATERIAL:
    SILICONE
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    ALUMINUM
    LENGTH METRIC:
    15.8 MM
    OUTSIDE DIAMETER METRIC:
    16 MM
    PRODUCT NAME:
    BEARING
    RIDING STYLE:
    ATV
    TYPE:
    TOP END
    UNITS:
    EACH
    $23.99
    Qty in Cart: 0
    Quantity:
    Price:
    $23.99
    Subtotal:
    $0.00
  • WISECO Top End Bearing B1002

    WISECO Top End Bearing B1002

    WISECO

    $23.99
    WISECO Top End Bearing B1002Forged from high-silicon aluminum alloy for maximum strength and dependability, High-quality bearings are manufactured to the highest standards; case-hardened for maximum life and smooth operation at high engine speeds
    B1002
    SKU:
    B1002
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    PISTON
    INSIDE DIAMETER METRIC:
    18 MM
    MATERIAL:
    ALUMINUM
    MATERIAL:
    SILICONE
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    OUTSIDE DIAMETER METRIC:
    23 MM
    LENGTH METRIC:
    23.8 MM
    PRODUCT NAME:
    BEARING
    RIDING STYLE:
    ATV
    TYPE:
    TOP END
    UNITS:
    EACH
    $23.99
    Qty in Cart: 0
    Quantity:
    Price:
    $23.99
    Subtotal:
    $0.00
  • WISECO Top End Bearing B1005

    WISECO Top End Bearing B1005

    WISECO

    $23.99
    WISECO Top End Bearing B1005Forged from high-silicon aluminum alloy for maximum strength and dependability, High-quality bearings are manufactured to the highest standards; case-hardened for maximum life and smooth operation at high engine speeds
    B1005
    SKU:
    B1005
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    LENGTH METRIC:
    22.5 MM
    PRODUCT NAME:
    BEARING
    MATERIAL:
    ALUMINUM
    OUTSIDE DIAMETER METRIC:
    21 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    TYPE:
    TOP END
    UNITS:
    EACH
    APPLICATION:
    PISTON
    INSIDE DIAMETER METRIC:
    16 MM
    MATERIAL:
    SILICONE
    $23.99
    Qty in Cart: 0
    Quantity:
    Price:
    $23.99
    Subtotal:
    $0.00
  • WISECO Top End Bearing B1006

    WISECO Top End Bearing B1006

    WISECO

    $23.99
    WISECO Top End Bearing B1006Forged from high-silicon aluminum alloy for maximum strength and dependability, High-quality bearings are manufactured to the highest standards; case-hardened for maximum life and smooth operation at high engine speeds
    B1006
    SKU:
    B1006
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    LENGTH METRIC:
    17.5 MM
    MATERIAL:
    ALUMINUM
    OUTSIDE DIAMETER METRIC:
    18 MM
    TYPE:
    TOP END
    UNITS:
    EACH
    INSIDE DIAMETER METRIC:
    14 MM
    PRODUCT NAME:
    BEARING
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    PISTON
    MATERIAL:
    SILICONE
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    $23.99
    Qty in Cart: 0
    Quantity:
    Price:
    $23.99
    Subtotal:
    $0.00
  • WISECO Top End Bearing B1008

    WISECO Top End Bearing B1008

    WISECO

    $23.99
    WISECO Top End Bearing B1008Forged from high-silicon aluminum alloy for maximum strength and dependability, High-quality bearings are manufactured to the highest standards; case-hardened for maximum life and smooth operation at high engine speeds
    B1008
    SKU:
    B1008
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    TYPE:
    TOP END
    APPLICATION:
    PISTON
    MATERIAL:
    SILICONE
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    BEARING
    UNITS:
    EACH
    INSIDE DIAMETER METRIC:
    18 MM
    LENGTH METRIC:
    22 MM
    MATERIAL:
    ALUMINUM
    OUTSIDE DIAMETER METRIC:
    22 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    $23.99
    Qty in Cart: 0
    Quantity:
    Price:
    $23.99
    Subtotal:
    $0.00
  • WISECO Top End Bearing B1013

    WISECO Top End Bearing B1013

    WISECO

    $23.99
    WISECO Top End Bearing B1013Forged from high-silicon aluminum alloy for maximum strength and dependability, High-quality bearings are manufactured to the highest standards; case-hardened for maximum life and smooth operation at high engine speeds
    B1013
    SKU:
    B1013
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    LENGTH METRIC:
    19.8 MM
    APPLICATION:
    PISTON
    MATERIAL:
    SILICONE
    OUTSIDE DIAMETER METRIC:
    19 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    INSIDE DIAMETER METRIC:
    15 MM
    PRODUCT NAME:
    BEARING
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    EACH
    MATERIAL:
    ALUMINUM
    $23.99
    Qty in Cart: 0
    Quantity:
    Price:
    $23.99
    Subtotal:
    $0.00
  • WISECO Top End Bearing B1014

    WISECO Top End Bearing B1014

    WISECO

    $23.99
    WISECO Top End Bearing B1014Forged from high-silicon aluminum alloy for maximum strength and dependability, High-quality bearings are manufactured to the highest standards; case-hardened for maximum life and smooth operation at high engine speeds
    B1014
    SKU:
    B1014
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    APPLICATION:
    PISTON
    INSIDE DIAMETER METRIC:
    18 MM
    MATERIAL:
    SILICONE
    LENGTH METRIC:
    22 MM
    PRODUCT NAME:
    BEARING
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    EACH
    MATERIAL:
    ALUMINUM
    OUTSIDE DIAMETER METRIC:
    23 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    $23.99
    Qty in Cart: 0
    Quantity:
    Price:
    $23.99
    Subtotal:
    $0.00
  • WISECO Cam Chain CC019

    WISECO Cam Chain CC019

    WISECO

    $104.95
    WISECO Cam Chain CC019Made from premium materials to reduce friction and increase service life, "M" style chain gives you maximum strength and durability, Wiseco's in-house engineering ensures its cam chains exceed OEM specifications and tolerance
    09250319
    SKU:
    09250319
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    RIDING STYLE:
    STREET
    CHAIN SIZE:
    98XRH2010
    PRODUCT NAME:
    CHAIN
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CAM
    UNITS:
    EACH
    $104.95
    Qty in Cart: 0
    Quantity:
    Price:
    $104.95
    Subtotal:
    $0.00
  • WISECO Ring Set 3032XC

    WISECO Ring Set 3032XC

    WISECO

    $49.95
    WISECO Ring Set 3032XCEach ring set is for one piston
    09120118
    SKU:
    09120118
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    BORE SIZE METRIC:
    77.00 MM
    DISPLACEMENT:
    250 CC
    PISTON MATERIAL:
    ALUMINUM
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    PISTON RING
    UNITS:
    SET
    $49.95
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
    $0.00
  • WISECO Wrist Pin S682

    WISECO Wrist Pin S682

    WISECO

    $23.99
    WISECO Wrist Pin S682Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperatures
    09130012
    SKU:
    09130012
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    OUTSIDE DIAMETER METRIC:
    19.00 MM
    PRODUCT NAME:
    WRIST PIN
    APPLICATION:
    PISTON
    MATERIAL:
    SILICONE
    OUTSIDE DIAMETER:
    19,00 MM
    RIDING STYLE:
    OFF-ROAD
    LENGTH:
    62,1 MM
    MATERIAL:
    ALUMINUM
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    LENGTH METRIC:
    62.1 MM
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $23.99
    Subtotal:
    $0.00
  • WISECO Wrist Pin S563

    WISECO Wrist Pin S563

    WISECO

    $22.99
    WISECO Wrist Pin S563Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperatures
    09130014
    SKU:
    09130014
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    LENGTH METRIC:
    37.80 MM
    PRODUCT NAME:
    WRIST PIN
    APPLICATION:
    PISTON
    LENGTH:
    37,80 MM
    MATERIAL:
    SILICONE
    MATERIAL:
    ALUMINUM
    OUTSIDE DIAMETER:
    12,00 MM
    OUTSIDE DIAMETER METRIC:
    12.00 MM
    RIDING STYLE:
    STREET
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $22.99
    Qty in Cart: 0
    Quantity:
    Price:
    $22.99
    Subtotal:
    $0.00
  • WISECO Crankshaft with Bearing and Gasket WPC142

    WISECO Crankshaft with Bearing and Gasket WPC142

    WISECO

    $596.70
    WISECO Crankshaft with Bearing and Gasket WPC142Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts...
    09210139
    SKU:
    09210139
    Availability:
    Ships Same Business Day
    Weight:
    13.54 LBS
    FEATURES:
    INCLUDES BEARING AND GASKET
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH METRIC:
    62.80 MM
    TYPE:
    BOTTOM END
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    UNITS:
    KIT
    $596.70
    Qty in Cart: 0
    Quantity:
    Price:
    $596.70
    Subtotal:
    $0.00
  • WISECO Crankshaft WPC161A

    WISECO Crankshaft WPC161A

    WISECO

    $330.59
    WISECO Crankshaft WPC161ACrankshaft kits include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts are...
    09210547
    SKU:
    09210547
    Availability:
    Ships Same Business Day
    Weight:
    6.10 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    STROKE LENGTH METRIC:
    40.00 MM
    $330.59
    Qty in Cart: 0
    Quantity:
    Price:
    $330.59
    Subtotal:
    $0.00
  • WISECO Crankshaft WPC163

    WISECO Crankshaft WPC163

    WISECO

    $384.95
    WISECO Crankshaft WPC163Crankshaft kits include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts are...
    09210549
    SKU:
    09210549
    Availability:
    Ships Same Business Day
    Weight:
    7.95 LBS
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH METRIC:
    54.50 MM
    $384.95
    Qty in Cart: 0
    Quantity:
    Price:
    $384.95
    Subtotal:
    $0.00
  • WISECO Crankshaft WPC164

    WISECO Crankshaft WPC164

    WISECO

    $344.95
    WISECO Crankshaft WPC164Crankshaft kits include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts are...
    09210550
    SKU:
    09210550
    Availability:
    Ships Same Business Day
    Weight:
    6.25 LBS
    RIDING STYLE:
    OFF-ROAD
    STROKE LENGTH METRIC:
    45.80 MM
    UNITS:
    KIT
    PRODUCT NAME:
    CRANKSHAFT KIT
    $344.95
    Qty in Cart: 0
    Quantity:
    Price:
    $344.95
    Subtotal:
    $0.00
  • WISECO Crankshaft WPC165A

    WISECO Crankshaft WPC165A

    WISECO

    $479.95
    WISECO Crankshaft WPC165ACrankshaft kits include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts are...
    09210551
    SKU:
    09210551
    Availability:
    Ships Same Business Day
    Weight:
    12.80 LBS
    STROKE LENGTH METRIC:
    72.00 MM
    PRODUCT NAME:
    CRANKSHAFT KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $479.95
    Qty in Cart: 0
    Quantity:
    Price:
    $479.95
    Subtotal:
    $0.00
  • WISECO Crankshaft WPC166

    WISECO Crankshaft WPC166

    WISECO

    $364.95
    WISECO Crankshaft WPC166Crankshaft kits include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts are...
    09210553
    SKU:
    09210553
    Availability:
    Ships Same Business Day
    Weight:
    6.55 LBS
    PRODUCT NAME:
    CRANKSHAFT KIT
    STROKE LENGTH METRIC:
    46.80 MM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $364.95
    Qty in Cart: 0
    Quantity:
    Price:
    $364.95
    Subtotal:
    $0.00
  • WISECO Engine Rebuild Kit PWR166-100

    WISECO Engine Rebuild Kit PWR166-100

    WISECO

    $464.95
    WISECO Engine Rebuild Kit PWR166-100Includes all top and bottom-end components for a complete engine rebuild, 4-stroke kits include a premium forged piston kit with stock compression ratio and a high-quality cam chain, 2-stroke kits include a Pro-Lite®...
    09031618
    SKU:
    09031618
    Availability:
    Ships Same Business Day
    Weight:
    8.20 LBS
    BORE - OVERSIZE:
    STANDARD
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    STANDARD
    BORE SIZE METRIC:
    48.00 MM
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    $464.95
    Qty in Cart: 0
    Quantity:
    Price:
    $464.95
    Subtotal:
    $0.00
  • Total: 0 items / $0.00

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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!