Select Your Ride

1
2
3

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.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • MOOSE RACING Exhaust Gasket Kit 823145

    MOOSE RACING Exhaust Gasket Kit 823145

    MOOSE RACING

    $22.14
    MOOSE RACING Exhaust Gasket Kit 823145MOOSE RACING Exhaust Gasket Kit
    09345327
    SKU:
    09345327
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    EXHAUST
    $22.14
    Qty in Cart: 0
    Quantity:
    Price:
    $22.14
    Subtotal:
  • MOOSE RACING Head Cover Gasket - Honda 817865

    MOOSE RACING Head Cover Gasket - Honda 817865

    MOOSE RACING

    $13.81
    MOOSE RACING Head Cover Gasket Honda 817865Moose can now handle all your gasket and seal needs at a fraction of OEM cost, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total confidence as each...
    09346172
    SKU:
    09346172
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MATERIAL:
    RUBBER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    TYPE:
    VALVE COVER
    PRODUCT NAME:
    GASKET
    Qty in Cart: 0
    Quantity:
    Price:
    $13.81
    Subtotal:
  • MOOSE RACING Head Cover Gasket - Honda 817867

    MOOSE RACING Head Cover Gasket - Honda 817867

    MOOSE RACING

    $12.35
    MOOSE RACING Head Cover Gasket Honda 817867Moose can now handle all your gasket and seal needs at a fraction of OEM cost, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total confidence as each...
    09346173
    SKU:
    09346173
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MATERIAL:
    RUBBER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    VALVE COVER
    PRODUCT NAME:
    GASKET
    UNITS:
    EACH
    $12.35
    Qty in Cart: 0
    Quantity:
    Price:
    $12.35
    Subtotal:
  • MOOSE RACING Motor Seals - TLR200/XR200R 822289

    MOOSE RACING Motor Seals - TLR200/XR200R 822289

    MOOSE RACING

    $30.26
    MOOSE RACING Motor Seals TLR200/XR200R 822289Moose can now handle all your gasket and seal needs at a fraction of OEM cost, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total confidence as...
    09350053
    SKU:
    09350053
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    ENGINE
    TYPE:
    OIL
    UNITS:
    SET
    PRODUCT NAME:
    SEAL
    $30.26
    Qty in Cart: 0
    Quantity:
    Price:
    $30.26
    Subtotal:
  • MOOSE RACING Motor Seals - KX/RM 60 822290

    MOOSE RACING Motor Seals - KX/RM 60 822290

    MOOSE RACING

    $19.45
    MOOSE RACING Motor Seals KX/RM 60 822290Moose can now handle all your gasket and seal needs at a fraction of OEM cost, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total confidence as each...
    09350054
    SKU:
    09350054
    Availability:
    Ships Same Business Day
    Weight:
    0.22 LBS
    PRODUCT NAME:
    SEAL
    TYPE:
    OIL
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    ENGINE
    UNITS:
    SET
    Qty in Cart: 0
    Quantity:
    Price:
    $19.45
    Subtotal:
  • MOOSE RACING Motor Seals - KX80/100 822291

    MOOSE RACING Motor Seals - KX80/100 822291

    MOOSE RACING

    $21.39
    MOOSE RACING Motor Seals KX80/100 822291Moose can now handle all your gasket and seal needs at a fraction of OEM cost, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total confidence as each...
    09350055
    SKU:
    09350055
    Availability:
    Ships Same Business Day
    Weight:
    0.22 LBS
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    ENGINE
    TYPE:
    OIL
    PRODUCT NAME:
    SEAL
    UNITS:
    SET
    $21.39
    Qty in Cart: 0
    Quantity:
    Price:
    $21.39
    Subtotal:
  • MOOSE RACING Motor Seals KX80-100/RM100 822292

    MOOSE RACING Motor Seals KX80-100/RM100 822292

    MOOSE RACING

    $26.05
    MOOSE RACING Motor Seals KX80-100/RM100 822292Moose can now handle all your gasket and seal needs at a fraction of OEM cost, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total confidence as...
    09350056
    SKU:
    09350056
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    SEAL
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    ENGINE
    TYPE:
    OIL
    UNITS:
    SET
    $26.05
    Qty in Cart: 0
    Quantity:
    Price:
    $26.05
    Subtotal:
  • MOOSE RACING Motor Seals - KDX200 822295

    MOOSE RACING Motor Seals - KDX200 822295

    MOOSE RACING

    $31.66
    MOOSE RACING Motor Seals KDX200 822295Moose can now handle all your gasket and seal needs at a fraction of OEM cost, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total confidence as each set...
    09350059
    SKU:
    09350059
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    SET
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    SEAL
    APPLICATION:
    ENGINE
    TYPE:
    OIL
    $31.66
    Qty in Cart: 0
    Quantity:
    Price:
    $31.66
    Subtotal:
  • MOOSE RACING Motor Seals - KDX 200/220 822296

    MOOSE RACING Motor Seals - KDX 200/220 822296

    MOOSE RACING

    $29.11
    MOOSE RACING Motor Seals KDX 200/220 822296Moose can now handle all your gasket and seal needs at a fraction of OEM cost, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total confidence as each...
    09350060
    SKU:
    09350060
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    SEAL
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    ENGINE
    TYPE:
    OIL
    UNITS:
    SET
    Qty in Cart: 0
    Quantity:
    Price:
    $29.11
    Subtotal:
  • MOOSE RACING Motor Seals - KX125 822298

    MOOSE RACING Motor Seals - KX125 822298

    MOOSE RACING

    $30.95
    MOOSE RACING Motor Seals KX125 822298Moose can now handle all your gasket and seal needs at a fraction of OEM cost, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmission with total confidence as each set...
    09350062
    SKU:
    09350062
    Availability:
    Ships Same Business Day
    Weight:
    0.22 LBS
    PRODUCT NAME:
    SEAL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    SET
    APPLICATION:
    ENGINE
    TYPE:
    OIL
    $30.95
    Qty in Cart: 0
    Quantity:
    Price:
    $30.95
    Subtotal:
  • MOOSE RACING Valve Seal Kit M80-80440

    MOOSE RACING Valve Seal Kit M80-80440

    MOOSE RACING

    $26.95
    MOOSE RACING Valve Seal Kit M80-80440Contact surfaces designed for improved sealing, High-temperature Viton® and PTFE materials, Improved tolerance over OEM, 100% quality controlled, Kits include one full set of intake and exhaust seals, Made in the USA
    09262830
    SKU:
    09262830
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    APPLICATION:
    INTAKE
    BASE COLOR:
    RED
    COLOR/FINISH:
    RED
    MATERIAL:
    VITON
    PRODUCT NAME:
    SEAL KIT
    TYPE:
    VALVE STEM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    $26.95
    Qty in Cart: 0
    Quantity:
    Price:
    $26.95
    Subtotal:
  • MOOSE RACING Intake Valve Kit M80-81100

    MOOSE RACING Intake Valve Kit M80-81100

    MOOSE RACING

    $196.95
    MOOSE RACING Intake Valve Kit M80-81100Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extend the life of the valve train and intake components by as much as 4x...
    09262732
    SKU:
    09262732
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    APPLICATION:
    INTAKE
    MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    VALVE KIT
    UNITS:
    KIT
    $196.95
    Qty in Cart: 0
    Quantity:
    Price:
    $196.95
    Subtotal:
  • MOOSE RACING Valve and Spring Kit M80-81110

    MOOSE RACING Valve and Spring Kit M80-81110

    MOOSE RACING

    $196.95
    MOOSE RACING Valve and Spring Kit M80-81110Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extend the life of the valve train and intake components by as much...
    09262733
    SKU:
    09262733
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    APPLICATION:
    INTAKE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE AND SPRING KIT
    $196.95
    Qty in Cart: 0
    Quantity:
    Price:
    $196.95
    Subtotal:
  • MOOSE RACING Intake Valve Kit M30-32440

    MOOSE RACING Intake Valve Kit M30-32440

    MOOSE RACING

    $217.95
    MOOSE RACING Intake Valve Kit M30-32440Stainless steel conversion kits include only what’s needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extend the life of the valve train and intake components by as much as 4x...
    09262932
    SKU:
    09262932
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    PRODUCT NAME:
    VALVE KIT
    APPLICATION:
    INTAKE
    MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $217.95
    Qty in Cart: 0
    Quantity:
    Price:
    $217.95
    Subtotal:
  • MOOSE RACING Cylinder - Standard MSE50002

    MOOSE RACING Cylinder - Standard MSE50002

    MOOSE RACING

    $487.95
    MOOSE RACING Cylinder Standard MSE50002Replace your damaged or worn OEM cylinder, Made from cast aluminum; nickel silicon carbide plated, Precision-machined and honed to OEM stock bore sizes, Extremely durable low-friction bore surface allows for greater...
    09310465
    SKU:
    09310465
    Availability:
    Ships Same Business Day
    Weight:
    2.65 LBS
    MATERIAL:
    ALUMINUM
    MATERIAL:
    CAST
    PRODUCT NAME:
    CYLINDER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    $487.95
    Qty in Cart: 0
    Quantity:
    Price:
    $487.95
    Subtotal:
  • MOOSE RACING Valve Shim - 9.48 x 3.15 - 5 pack MSE5PK948315

    MOOSE RACING Valve Shim - 9.48 x 3.15 - 5 pack MSE5PK948315

    MOOSE RACING

    $9.95
    MOOSE RACING Valve Shim 9.48 x 3.15 5 pack MSE5PK948315Complete valve shim kits make it easier to maintain your valve train, Forged from 4140 cold rolled steel, not sintered, Laser-etched size on each shim for identification, A great addition to any...
    09261967
    SKU:
    09261967
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    UNITS:
    5 PACK
    VALVE SHIM THICKNESS METRIC:
    3.15 MM
    RIDING STYLE:
    ATV
    TYPE:
    VALVE
    MATERIAL:
    ROLLED
    MATERIAL:
    STEEL
    OUTSIDE DIAMETER METRIC:
    9.48 MM
    RIDING STYLE:
    OFF-ROAD
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • MOOSE RACING Valve Shim - 9.48 x 3.20 - 5 pack MSE5PK948320

    MOOSE RACING Valve Shim - 9.48 x 3.20 - 5 pack MSE5PK948320

    MOOSE RACING

    $9.95
    MOOSE RACING Valve Shim 9.48 x 3.20 5 pack MSE5PK948320Complete valve shim kits make it easier to maintain your valve train, Forged from 4140 cold rolled steel, not sintered, Laser-etched size on each shim for identification, A great addition to any...
    09261968
    SKU:
    09261968
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    OUTSIDE DIAMETER METRIC:
    9.48 MM
    TYPE:
    VALVE
    VALVE SHIM THICKNESS METRIC:
    3.20 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    MATERIAL:
    ROLLED
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    SNOW
    UNITS:
    5 PACK
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • MOOSE RACING Valve Shim - 9.48 x 3.25 - 5 pack MSE5PK948325

    MOOSE RACING Valve Shim - 9.48 x 3.25 - 5 pack MSE5PK948325

    MOOSE RACING

    $9.95
    MOOSE RACING Valve Shim 9.48 x 3.25 5 pack MSE5PK948325Complete valve shim kits make it easier to maintain your valve train, Forged from 4140 cold rolled steel, not sintered, Laser-etched size on each shim for identification, A great addition to any...
    09261969
    SKU:
    09261969
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    RIDING STYLE:
    ATV
    TYPE:
    VALVE
    VALVE SHIM THICKNESS METRIC:
    3.25 MM
    MATERIAL:
    ROLLED
    MATERIAL:
    STEEL
    OUTSIDE DIAMETER METRIC:
    9.48 MM
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    SNOW
    UNITS:
    5 PACK
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • MOOSE RACING Valve Shim - 9.48 x 3.30 - 5 pack MSE5PK948330

    MOOSE RACING Valve Shim - 9.48 x 3.30 - 5 pack MSE5PK948330

    MOOSE RACING

    $9.95
    MOOSE RACING Valve Shim 9.48 x 3.30 5 pack MSE5PK948330Complete valve shim kits make it easier to maintain your valve train, Forged from 4140 cold rolled steel, not sintered, Laser-etched size on each shim for identification, A great addition to any...
    09261970
    SKU:
    09261970
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    OUTSIDE DIAMETER METRIC:
    9.48 MM
    MATERIAL:
    ROLLED
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    VALVE SHIM THICKNESS METRIC:
    3.30 MM
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    VALVE
    UNITS:
    5 PACK
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • MOOSE RACING Valve Shim - 9.48 x 3.35 - 5 pack MSE5PK948335

    MOOSE RACING Valve Shim - 9.48 x 3.35 - 5 pack MSE5PK948335

    MOOSE RACING

    $9.95
    MOOSE RACING Valve Shim 9.48 x 3.35 5 pack MSE5PK948335Complete valve shim kits make it easier to maintain your valve train, Forged from 4140 cold rolled steel, not sintered, Laser-etched size on each shim for identification, A great addition to any...
    09261971
    SKU:
    09261971
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    OUTSIDE DIAMETER METRIC:
    9.48 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    VALVE SHIM THICKNESS METRIC:
    3.35 MM
    MATERIAL:
    ROLLED
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    VALVE
    RIDING STYLE:
    ATV
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • Total: items /

Adding your products to cart

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!