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
  • On Sale
    HOT RODS Seal Output Shaft OSK0030

    HOT RODS Seal Output Shaft OSK0030

    HOT RODS

    MSRP: $24.95
    Now: $22.46
    Was: $24.95
    HOT RODS Seal Output Shaft OSK0030A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...
    09350593
    SKU:
    09350593
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    SEAL
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $24.95
    Now: $22.46
    Was: $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $24.95
    Now: $22.46
    Was: $24.95
    Subtotal:
  • On Sale
    HOT RODS Seal Output Shaft OSK0029

    HOT RODS Seal Output Shaft OSK0029

    HOT RODS

    MSRP: $29.95
    Now: $27.86
    Was: $30.95
    HOT RODS Seal Output Shaft OSK0029A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...
    09350592
    SKU:
    09350592
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    SEAL
    MSRP: $29.95
    Now: $27.86
    Was: $30.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $29.95
    Now: $27.86
    Was: $30.95
    Subtotal:
  • On Sale
    HOT RODS Seal Output Shaft OSK0026

    HOT RODS Seal Output Shaft OSK0026

    HOT RODS

    MSRP: $28.95
    Now: $26.96
    Was: $29.95
    HOT RODS Seal Output Shaft OSK0026A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...
    09350590
    SKU:
    09350590
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    SEAL
    MSRP: $28.95
    Now: $26.96
    Was: $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $28.95
    Now: $26.96
    Was: $29.95
    Subtotal:
  • On Sale
    HOT RODS Seal Output Shaft OSK0024

    HOT RODS Seal Output Shaft OSK0024

    HOT RODS

    MSRP: $20.15
    Now: $18.86
    Was: $20.95
    HOT RODS Seal Output Shaft OSK0024A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...
    09350588
    SKU:
    09350588
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    SEAL
    MSRP: $20.15
    Now: $18.86
    Was: $20.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $20.15
    Now: $18.86
    Was: $20.95
    Subtotal:
  • On Sale
    HOT RODS Seal Output Shaft OSK0023

    HOT RODS Seal Output Shaft OSK0023

    HOT RODS

    MSRP: $22.95
    Now: $20.66
    Was: $22.95
    HOT RODS Seal Output Shaft OSK0023A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...
    09350587
    SKU:
    09350587
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    SEAL
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $22.95
    Now: $20.66
    Was: $22.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $22.95
    Now: $20.66
    Was: $22.95
    Subtotal:
  • On Sale
    HOT RODS Seal Output Shaft OSK0022

    HOT RODS Seal Output Shaft OSK0022

    HOT RODS

    MSRP: $26.95
    Now: $24.26
    Was: $26.95
    HOT RODS Seal Output Shaft OSK0022A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...
    09350586
    SKU:
    09350586
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    PRODUCT NAME:
    SEAL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $26.95
    Now: $24.26
    Was: $26.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $26.95
    Now: $24.26
    Was: $26.95
    Subtotal:
  • On Sale
    HOT RODS Seal Output Shaft OSK0020

    HOT RODS Seal Output Shaft OSK0020

    HOT RODS

    MSRP: $26.95
    Now: $24.26
    Was: $26.95
    HOT RODS Seal Output Shaft OSK0020A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...
    09350584
    SKU:
    09350584
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    SEAL
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $26.95
    Now: $24.26
    Was: $26.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $26.95
    Now: $24.26
    Was: $26.95
    Subtotal:
  • On Sale
    HOT RODS Seal Output Shaft OSK0019

    HOT RODS Seal Output Shaft OSK0019

    HOT RODS

    MSRP: $29.95
    Now: $27.86
    Was: $30.95
    HOT RODS Seal Output Shaft OSK0019A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...
    09350583
    SKU:
    09350583
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    SEAL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    MSRP: $29.95
    Now: $27.86
    Was: $30.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $29.95
    Now: $27.86
    Was: $30.95
    Subtotal:
  • On Sale
    HOT RODS Seal Output Shaft OSK0018

    HOT RODS Seal Output Shaft OSK0018

    HOT RODS

    MSRP: $29.95
    Now: $27.86
    Was: $30.95
    HOT RODS Seal Output Shaft OSK0018A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...
    09350582
    SKU:
    09350582
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    SEAL
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $29.95
    Now: $27.86
    Was: $30.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $29.95
    Now: $27.86
    Was: $30.95
    Subtotal:
  • On Sale
    HOT RODS Seal Output Shaft OSK0016

    HOT RODS Seal Output Shaft OSK0016

    HOT RODS

    MSRP: $28.95
    Now: $26.96
    Was: $29.95
    HOT RODS Seal Output Shaft OSK0016A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...
    09350581
    SKU:
    09350581
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    SEAL
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $28.95
    Now: $26.96
    Was: $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $28.95
    Now: $26.96
    Was: $29.95
    Subtotal:
  • On Sale
    HOT RODS Seal Output Shaft OSK0015

    HOT RODS Seal Output Shaft OSK0015

    HOT RODS

    MSRP: $27.95
    Now: $26.06
    Was: $28.95
    HOT RODS Seal Output Shaft OSK0015A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...
    09350580
    SKU:
    09350580
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    SEAL
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $27.95
    Now: $26.06
    Was: $28.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $27.95
    Now: $26.06
    Was: $28.95
    Subtotal:
  • On Sale
    HOT RODS Seal Output Shaft OSK0013

    HOT RODS Seal Output Shaft OSK0013

    HOT RODS

    MSRP: $30.95
    Now: $28.76
    Was: $31.95
    HOT RODS Seal Output Shaft OSK0013A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...
    09350579
    SKU:
    09350579
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    SEAL
    MSRP: $30.95
    Now: $28.76
    Was: $31.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $30.95
    Now: $28.76
    Was: $31.95
    Subtotal:
  • On Sale
    HOT RODS Seal Output Shaft OSK0012

    HOT RODS Seal Output Shaft OSK0012

    HOT RODS

    MSRP: $27.95
    Now: $26.06
    Was: $28.95
    HOT RODS Seal Output Shaft OSK0012A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...
    09350578
    SKU:
    09350578
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    PRODUCT NAME:
    SEAL
    MSRP: $27.95
    Now: $26.06
    Was: $28.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $27.95
    Now: $26.06
    Was: $28.95
    Subtotal:
  • MOOSE RACING Gasket set with oil seal - YZ65 8110008

    MOOSE RACING Gasket set with oil seal - YZ65 8110008

    MOOSE RACING

    $65.02
    MOOSE RACING Gasket set with oil seal YZ65 8110008Moose can now handle all your gasket and seal needs at a fraction of OEM cost, Rebuild the engine and transmission with total confidence as each set is designed for durability and accurate fit, Oil seals...
    09346582
    SKU:
    09346582
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    ENGINE
    PRODUCT NAME:
    GASKET
    UNITS:
    KIT
    $65.02
    Qty in Cart: 0
    Quantity:
    Price:
    $65.02
    Subtotal:
  • On Sale
    ATHENA Water Pump Gasket Kit - KTM P400270475001

    ATHENA Water Pump Gasket Kit - KTM P400270475001

    ATHENA

    MSRP: $35.95
    Now: $32.36
    Was: $35.95
    ATHENA Water Pump Gasket Kit KTM P400270475001Include water pump gasket, clutch cover gasket, water pump shaft oil seals and washers, Kit contents will vary slightly based on application, Kits do not contain replacement bearings
    09346063
    SKU:
    09346063
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    WATER PUMP
    MSRP: $35.95
    Now: $32.36
    Was: $35.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $35.95
    Now: $32.36
    Was: $35.95
    Subtotal:
  • On Sale
    ATHENA Water Pump Gasket Kit - Kawasaki P400250475014

    ATHENA Water Pump Gasket Kit - Kawasaki P400250475014

    ATHENA

    MSRP: $44.95
    Now: $40.46
    Was: $44.95
    ATHENA Water Pump Gasket Kit Kawasaki P400250475014Include water pump gasket, clutch cover gasket, water pump shaft oil seals and washers, Kit contents will vary slightly based on application, Kits do not contain replacement bearings
    09346062
    SKU:
    09346062
    Availability:
    Ships Same Business Day
    Weight:
    0.27 LBS
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    OFF-ROAD
    ENGINE TYPE:
    2-STROKE
    TYPE:
    WATER PUMP
    UNITS:
    KIT
    MSRP: $44.95
    Now: $40.46
    Was: $44.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $44.95
    Now: $40.46
    Was: $44.95
    Subtotal:
  • On Sale
    ATHENA Water Pump Gasket Kit - Kawasaki P400250475013

    ATHENA Water Pump Gasket Kit - Kawasaki P400250475013

    ATHENA

    MSRP: $25.95
    Now: $23.36
    Was: $25.95
    ATHENA Water Pump Gasket Kit Kawasaki P400250475013Include water pump gasket, clutch cover gasket, water pump shaft oil seals and washers, Kit contents will vary slightly based on application, Kits do not contain replacement bearings
    09346061
    SKU:
    09346061
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    WATER PUMP
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $25.95
    Now: $23.36
    Was: $25.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $25.95
    Now: $23.36
    Was: $25.95
    Subtotal:
  • On Sale
    ATHENA Water Pump Gasket Kit - Kawasaki P400250475012

    ATHENA Water Pump Gasket Kit - Kawasaki P400250475012

    ATHENA

    MSRP: $64.95
    Now: $58.46
    Was: $64.95
    ATHENA Water Pump Gasket Kit Kawasaki P400250475012Include water pump gasket, clutch cover gasket, water pump shaft oil seals and washers, Kit contents will vary slightly based on application, Kits do not contain replacement bearings
    09346060
    SKU:
    09346060
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    WATER PUMP
    MSRP: $64.95
    Now: $58.46
    Was: $64.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $64.95
    Now: $58.46
    Was: $64.95
    Subtotal:
  • On Sale
    ATHENA Water Pump Gasket Kit - Kawasaki P400250475011

    ATHENA Water Pump Gasket Kit - Kawasaki P400250475011

    ATHENA

    MSRP: $58.95
    Now: $53.06
    Was: $58.95
    ATHENA Water Pump Gasket Kit Kawasaki P400250475011Include water pump gasket, clutch cover gasket, water pump shaft oil seals and washers, Kit contents will vary slightly based on application, Kits do not contain replacement bearings
    09346059
    SKU:
    09346059
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    WATER PUMP
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $58.95
    Now: $53.06
    Was: $58.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $58.95
    Now: $53.06
    Was: $58.95
    Subtotal:
  • On Sale
    ATHENA Water Pump Gasket Kit - Kawasaki P400250475010

    ATHENA Water Pump Gasket Kit - Kawasaki P400250475010

    ATHENA

    MSRP: $58.95
    Now: $53.06
    Was: $58.95
    ATHENA Water Pump Gasket Kit Kawasaki P400250475010Include water pump gasket, clutch cover gasket, water pump shaft oil seals and washers, Kit contents will vary slightly based on application, Kits do not contain replacement bearings
    09346058
    SKU:
    09346058
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    WATER PUMP
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $58.95
    Now: $53.06
    Was: $58.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $58.95
    Now: $53.06
    Was: $58.95
    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!