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 Gaskets PK1506

    WISECO Piston Kit with Gaskets PK1506

    WISECO

    $164.95
    WISECO Piston Kit with Gaskets PK1506Most 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, circlips...
    9030920
    SKU:
    9030920
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    BORE - OVERSIZE:
    STANDARD
    DISPLACEMENT:
    60 CC
    SKIRT COATING:
    NON-COATED
    BORE - OVERSIZE METRIC:
    STANDARD
    STROKE LENGTH METRIC:
    41.60 MM
    BORE SIZE METRIC:
    43.00 MM
    PISTON DIAMETER METRIC:
    42.94 MM
    PRODUCT NAME:
    REBUILD KIT
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    KIT
    $164.95
    Qty in Cart: 0
    Quantity:
    Price:
    $164.95
    Subtotal:
  • WISECO Piston Kit with Gaskets PK1513

    WISECO Piston Kit with Gaskets PK1513

    WISECO

    $234.95
    WISECO Piston Kit with Gaskets PK1513Most 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, circlips...
    9030700
    SKU:
    9030700
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    STROKE LENGTH METRIC:
    54.00 MM
    BORE - OVERSIZE METRIC:
    +2.00 MM
    DISPLACEMENT:
    124 CC
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE - OVERSIZE:
    +2,00 MM
    PISTON DIAMETER METRIC:
    55.95 MM
    TYPE:
    TOP END
    BORE SIZE METRIC:
    56.00 MM
    PISTON SIZE METRIC:
    +2.00 MM
    PRODUCT NAME:
    REBUILD KIT
    SKIRT COATING:
    ARMORGLIDE®
    $234.95
    Qty in Cart: 0
    Quantity:
    Price:
    $234.95
    Subtotal:
  • WISECO Piston Kit with Gaskets PK1512

    WISECO Piston Kit with Gaskets PK1512

    WISECO

    $206.95
    WISECO Piston Kit with Gaskets PK1512Most 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, circlips...
    9030699
    SKU:
    9030699
    Availability:
    Ships Same Business Day
    Weight:
    1.48 LBS
    BORE SIZE METRIC:
    54.00 MM
    PRODUCT NAME:
    REBUILD KIT
    PISTON DIAMETER METRIC:
    53.95 MM
    STROKE LENGTH METRIC:
    54.00 MM
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    SKIRT COATING:
    ARMORGLIDE®
    DISPLACEMENT:
    124 CC
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    KIT
    $206.95
    Qty in Cart: 0
    Quantity:
    Price:
    $206.95
    Subtotal:
  • WISECO Piston Kit with Gaskets PK1395

    WISECO Piston Kit with Gaskets PK1395

    WISECO

    $267.37
    WISECO Piston Kit with Gaskets PK1395Forged from high-silicon aluminum alloy for maximum strength and dependability, Contain all necessary components for overboring or rebuilding your top end, Feature forged pistons, rings, wrist pins, circlips, and top...
    9030683
    SKU:
    9030683
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $267.37
    Subtotal:
  • WISECO Piston Kit with Gaskets PK1392

    WISECO Piston Kit with Gaskets PK1392

    WISECO

    $249.95
    WISECO Piston Kit with Gaskets PK1392Forged from high-silicon aluminum alloy for maximum strength and dependability, Contain all necessary components for overboring or rebuilding your top end, Feature forged pistons, rings, wrist pins, circlips, and top...
    9030682
    SKU:
    9030682
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    PRODUCT NAME:
    REBUILD KIT
    BORE SIZE METRIC:
    58.00 MM
    STROKE LENGTH METRIC:
    54.50 MM
    BORE - OVERSIZE METRIC:
    +4.00 MM
    COOLING SYSTEM:
    AIR COOLED
    DISPLACEMENT:
    144 CC
    PISTON MATERIAL:
    ALUMINUM
    PISTON MATERIAL:
    FORGED
    BORE - OVERSIZE:
    +4,00 MM
    MODEL:
    RACER'S CHOICE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    EACH
    $249.95
    Qty in Cart: 0
    Quantity:
    Price:
    $249.95
    Subtotal:
  • WISECO Piston Kit with Gaskets PK1391

    WISECO Piston Kit with Gaskets PK1391

    WISECO

    $239.95
    WISECO Piston Kit with Gaskets PK1391Forged from high-silicon aluminum alloy for maximum strength and dependability, Contain all necessary components for overboring or rebuilding your top end, Feature forged pistons, rings, wrist pins, circlips, and top...
    9030681
    SKU:
    9030681
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    BORE SIZE METRIC:
    56.00 MM
    PISTON MATERIAL:
    ALUMINUM
    PISTON MATERIAL:
    FORGED
    COOLING SYSTEM:
    AIR COOLED
    STROKE LENGTH METRIC:
    54.50 MM
    DISPLACEMENT:
    134 CC
    PRODUCT NAME:
    REBUILD KIT
    BORE - OVERSIZE:
    +2,00 MM
    BORE - OVERSIZE METRIC:
    +2.00 MM
    MODEL:
    RACER'S CHOICE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    EACH
    $239.95
    Qty in Cart: 0
    Quantity:
    Price:
    $239.95
    Subtotal:
  • BBR MOTORSPORTS 175cc Engine Kit 411-HCF-1501

    BBR MOTORSPORTS 175cc Engine Kit 411-HCF-1501

    BBR MOTORSPORTS

    $347.95
    BBR MOTORSPORTS 175cc Engine Kit 411-HCF-1501Includes BBR's high performance camshaft and valve springs for added performance, This cam features higher lift and duration than stock, Complete kit includes piston, rings, pin, clips, BBR MX cam, valve...
    9030120
    SKU:
    9030120
    Availability:
    Ships Same Business Day
    Weight:
    2.20 LBS
    PISTON SIZE METRIC:
    67.00 MM
    PRODUCT NAME:
    REBUILD KIT
    STYLE:
    BIG BORE
    TYPE:
    ENGINE
    DISPLACEMENT:
    175 CC
    ENGINE TYPE:
    4-STROKE
    UNITS:
    KIT
    COMPRESSION RATIO IMPERIAL:
    10.75:1
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $347.95
    Subtotal:
  • BBR MOTORSPORTS Engine Kit - 150cc - TTR125 411-YTR-1201

    BBR MOTORSPORTS Engine Kit - 150cc - TTR125 411-YTR-1201

    BBR MOTORSPORTS

    $463.95
    BBR MOTORSPORTS Engine Kit 150cc TTR125 411-YTR-1201Complete kit requires no exchange, Increased displacement, Cylinder is custom made and features the BBR logo. Includes high performance BBR MX Grind camshaft., High performance MX camshaft, BBR aluminum...
    9030119
    SKU:
    9030119
    Availability:
    Ships Same Business Day
    Weight:
    4.66 LBS
    PISTON MATERIAL:
    ALUMINUM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    DISPLACEMENT:
    150 CC
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    ENGINE
    STYLE:
    BIG BORE
    PISTON SIZE METRIC:
    58.00 MM
    Qty in Cart: 0
    Quantity:
    Price:
    $463.95
    Subtotal:
  • BBR MOTORSPORTS Engine Kit - 143cc - KLX/DRZ110 411-KLX-1401

    BBR MOTORSPORTS Engine Kit - 143cc - KLX/DRZ110 411-KLX-1401

    BBR MOTORSPORTS

    $417.95
    BBR MOTORSPORTS Engine Kit 143cc KLX/DRZ110 411-KLX-1401Bolt on and go; BBR offers the largest displacement bore kits available without the need to bore engine cases, Complete kits include aluminum plated cylinder, BBR motocross-grind camshaft, piston...
    9030117
    SKU:
    9030117
    Availability:
    Ships Same Business Day
    Weight:
    5.20 LBS
    BORE SIZE METRIC:
    60.00 MM
    PRODUCT NAME:
    REBUILD KIT
    STYLE:
    BIG BORE
    TYPE:
    ENGINE
    DISPLACEMENT:
    143 CC
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $417.95
    Qty in Cart: 0
    Quantity:
    Price:
    $417.95
    Subtotal:
  • BBR MOTORSPORTS Engine Kit - 88cc 411-HXR-5400

    BBR MOTORSPORTS Engine Kit - 88cc 411-HXR-5400

    BBR MOTORSPORTS

    $429.95
    BBR MOTORSPORTS Engine Kit 88cc 411-HXR-5400Convert your CRF/XR50 to an 88cc screamer with this complete kit. Everything is included to upgrade the performance of you mini-bike. This kit uses your stock CRF/XR50 cylinder head, Aluminum BBR cylinder,...
    9030116
    SKU:
    9030116
    Availability:
    Ships Same Business Day
    Weight:
    5.35 LBS
    PRODUCT NAME:
    REBUILD KIT
    STYLE:
    BIG BORE
    TYPE:
    ENGINE
    DISPLACEMENT:
    88 CC
    UNITS:
    KIT
    PISTON HEAD SHAPE:
    FLAT TOP
    PISTON SIZE METRIC:
    52.00 MM
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $429.95
    Subtotal:
  • BBR MOTORSPORTS Engine kit - 120cc 411-HXR-1001

    BBR MOTORSPORTS Engine kit - 120cc 411-HXR-1001

    BBR MOTORSPORTS

    $382.95
    BBR MOTORSPORTS Engine kit 120cc 411-HXR-1001Comes complete with custom "big finned" BBR aluminum cylinder, piston, rings, piston pin, clip, BBR Exclusive motocross grind performance camshaft, HD valve springs, rockers with tappet adjusters and gasket...
    9030112
    SKU:
    9030112
    Availability:
    Ships Same Business Day
    Weight:
    4.50 LBS
    TYPE:
    TOP END
    DISPLACEMENT:
    120 CC
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    ENGINE
    STYLE:
    BIG BORE
    $382.95
    Qty in Cart: 0
    Quantity:
    Price:
    $382.95
    Subtotal:
  • PRO FILTER Replacement Oil Filter PF-196

    PRO FILTER Replacement Oil Filter PF-196

    PRO FILTER

    $11.99
    PRO FILTER Replacement Oil Filter PF-196High-performance OEM-type filter, Include fibrous micro-pore filtration structure, Consistent flow rates with high strength and dimensional stability, For use with synthetic or petroleum-based oils, Exceed OEM...
    7120607
    SKU:
    7120607
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    COLOR/FINISH:
    BLACK
    UNITS:
    EACH
    FILTER MEDIA MATERIAL:
    PAPER
    PRODUCT NAME:
    OIL FILTER
    RIDING STYLE:
    ATV
    BASE COLOR:
    BLACK
    RIDING STYLE:
    SNOW
    STYLE:
    PREMIUM
    $11.99
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
    Subtotal:
  • PRO FILTER Replacement Oil Filter PF-185

    PRO FILTER Replacement Oil Filter PF-185

    PRO FILTER

    $6.99
    PRO FILTER Replacement Oil Filter PF-185High-performance OEM-type filter, Include fibrous micro-pore filtration structure, Consistent flow rates with high strength and dimensional stability, For use with synthetic or petroleum-based oils, Exceed OEM...
    7120604
    SKU:
    7120604
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COLOR/FINISH:
    CHROME
    FILTER MEDIA MATERIAL:
    PAPER
    RIDING STYLE:
    STREET
    BASE FINISH:
    CHROME
    STYLE:
    PREMIUM
    UNITS:
    EACH
    PRODUCT NAME:
    OIL FILTER
    $6.99
    Qty in Cart: 0
    Quantity:
    Price:
    $6.99
    Subtotal:
  • PRO FILTER Replacement Oil Filter PF-183

    PRO FILTER Replacement Oil Filter PF-183

    PRO FILTER

    $11.99
    PRO FILTER Replacement Oil Filter PF-183High-performance OEM-type filter, Include fibrous micro-pore filtration structure, Consistent flow rates with high strength and dimensional stability, For use with synthetic or petroleum-based oils, Exceed OEM...
    7120603
    SKU:
    7120603
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    PRODUCT NAME:
    OIL FILTER
    BASE FINISH:
    CHROME
    STYLE:
    PREMIUM
    UNITS:
    EACH
    COLOR/FINISH:
    CHROME
    FILTER MEDIA MATERIAL:
    PAPER
    RIDING STYLE:
    STREET
    $11.99
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
    Subtotal:
  • PRO FILTER Replacement Oil Filter PF-173C

    PRO FILTER Replacement Oil Filter PF-173C

    PRO FILTER

    $17.99
    PRO FILTER Replacement Oil Filter PF-173CHigh-performance OEM-type filter, Include fibrous micro-pore filtration structure, Consistent flow rates with high strength and dimensional stability, For use with synthetic or petroleum-based oils, Exceed OEM...
    7120600
    SKU:
    7120600
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    BASE FINISH:
    CHROME
    UNITS:
    EACH
    COLOR/FINISH:
    CHROME
    FILTER MEDIA MATERIAL:
    PAPER
    PRODUCT NAME:
    OIL FILTER
    RIDING STYLE:
    STREET
    STYLE:
    PREMIUM
    $17.99
    Qty in Cart: 0
    Quantity:
    Price:
    $17.99
    Subtotal:
  • PRO FILTER Replacement Oil Filter PF-172C

    PRO FILTER Replacement Oil Filter PF-172C

    PRO FILTER

    $15.99
    PRO FILTER Replacement Oil Filter PF-172CHigh-performance OEM-type filter, Include fibrous micro-pore filtration structure, Consistent flow rates with high strength and dimensional stability, For use with synthetic or petroleum-based oils, Exceed OEM...
    7120599
    SKU:
    7120599
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    STYLE:
    PREMIUM
    COLOR/FINISH:
    CHROME
    UNITS:
    EACH
    FILTER MEDIA MATERIAL:
    PAPER
    PRODUCT NAME:
    OIL FILTER
    RIDING STYLE:
    STREET
    BASE FINISH:
    CHROME
    Qty in Cart: 0
    Quantity:
    Price:
    $15.99
    Subtotal:
  • PRO FILTER Replacement Oil Filter PF-164

    PRO FILTER Replacement Oil Filter PF-164

    PRO FILTER

    $11.99
    PRO FILTER Replacement Oil Filter PF-164High-performance OEM-type filter, Include fibrous micro-pore filtration structure, Consistent flow rates with high strength and dimensional stability, For use with synthetic or petroleum-based oils, Exceed OEM...
    7120594
    SKU:
    7120594
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    PRODUCT NAME:
    OIL FILTER
    BASE COLOR:
    BLACK
    STYLE:
    PREMIUM
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    FILTER MEDIA MATERIAL:
    PAPER
    RIDING STYLE:
    STREET
    $11.99
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
    Subtotal:
  • PRO FILTER Replacement Oil Filter PF-156

    PRO FILTER Replacement Oil Filter PF-156

    PRO FILTER

    $11.99
    PRO FILTER Replacement Oil Filter PF-156High-performance OEM-type filter, Include fibrous micro-pore filtration structure, Consistent flow rates with high strength and dimensional stability, For use with synthetic or petroleum-based oils, Exceed OEM...
    7120589
    SKU:
    7120589
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    COLOR/FINISH:
    BLACK
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    FILTER MEDIA MATERIAL:
    PAPER
    PRODUCT NAME:
    OIL FILTER
    RIDING STYLE:
    STREET
    BASE COLOR:
    BLACK
    STYLE:
    PREMIUM
    $11.99
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
    Subtotal:
  • PRO FILTER Replacement Oil Filter PF-154

    PRO FILTER Replacement Oil Filter PF-154

    PRO FILTER

    $6.99
    PRO FILTER Replacement Oil Filter PF-154High-performance OEM-type filter, Include fibrous micro-pore filtration structure, Consistent flow rates with high strength and dimensional stability, For use with synthetic or petroleum-based oils, Exceed OEM...
    7120588
    SKU:
    7120588
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    OIL FILTER
    RIDING STYLE:
    OFF-ROAD
    BASE FINISH:
    CHROME
    STYLE:
    PREMIUM
    COLOR/FINISH:
    CHROME
    FILTER MEDIA MATERIAL:
    PAPER
    UNITS:
    EACH
    $6.99
    Qty in Cart: 0
    Quantity:
    Price:
    $6.99
    Subtotal:
  • PRO FILTER Replacement Oil Filter PF-153

    PRO FILTER Replacement Oil Filter PF-153

    PRO FILTER

    $11.99
    PRO FILTER Replacement Oil Filter PF-153High-performance OEM-type filter, Include fibrous micro-pore filtration structure, Consistent flow rates with high strength and dimensional stability, For use with synthetic or petroleum-based oils, Exceed OEM...
    7120587
    SKU:
    7120587
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    COLOR/FINISH:
    BLACK
    UNITS:
    EACH
    FILTER MEDIA MATERIAL:
    PAPER
    RIDING STYLE:
    STREET
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    OIL FILTER
    STYLE:
    PREMIUM
    $11.99
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
    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!