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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.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • TMV Flywheel Weight 310FW2209

    TMV Flywheel Weight 310FW2209

    TMV

    $152.95
    TMV Flywheel Weight 310FW2209Machined from 303 stainless steel that's 15% heavier than standard steel, allowing more mass in a smaller space, No extra gaskets or leaking plastic spacers
    09220099
    SKU:
    09220099
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    UNITS:
    EACH
    FEATURES:
    FLYWHEEL WEIGHT - 9 OZ.
    PRODUCT NAME:
    FLYWHEEL WEIGHT
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    303 STAINLESS STEEL
    $152.95
    Qty in Cart: 0
    Quantity:
    Price:
    $152.95
    Subtotal:
  • TMV Flywheel Weight 310FW2211

    TMV Flywheel Weight 310FW2211

    TMV

    $152.95
    TMV Flywheel Weight 310FW2211Machined from 303 stainless steel that's 15% heavier than standard steel, allowing more mass in a smaller space, No extra gaskets or leaking plastic spacers
    09220100
    SKU:
    09220100
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    FEATURES:
    FLYWHEEL WEIGHT - 11 OZ.
    MATERIAL:
    303 STAINLESS STEEL
    PRODUCT NAME:
    FLYWHEEL WEIGHT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $152.95
    Qty in Cart: 0
    Quantity:
    Price:
    $152.95
    Subtotal:
  • TMV Flywheel Weight 310FW2213

    TMV Flywheel Weight 310FW2213

    TMV

    $152.95
    TMV Flywheel Weight 310FW2213Machined from 303 stainless steel that's 15% heavier than standard steel, allowing more mass in a smaller space, No extra gaskets or leaking plastic spacers
    09220101
    SKU:
    09220101
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    MATERIAL:
    303 STAINLESS STEEL
    PRODUCT NAME:
    FLYWHEEL WEIGHT
    FEATURES:
    FLYWHEEL WEIGHT - 13 OZ.
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $152.95
    Subtotal:
  • TMV Flywheel Weight 310FW3113

    TMV Flywheel Weight 310FW3113

    TMV

    $152.95
    TMV Flywheel Weight 310FW3113Machined from 303 stainless steel that's 15% heavier than standard steel, allowing more mass in a smaller space, No extra gaskets or leaking plastic spacers
    09220108
    SKU:
    09220108
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    PRODUCT NAME:
    FLYWHEEL WEIGHT
    FEATURES:
    FLYWHEEL WEIGHT - 13 OZ.
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    303 STAINLESS STEEL
    UNITS:
    EACH
    $152.95
    Qty in Cart: 0
    Quantity:
    Price:
    $152.95
    Subtotal:
  • TMV Camchain Tensioner - Blue 138101012BU

    TMV Camchain Tensioner - Blue 138101012BU

    TMV

    $108.95
    TMV Camchain Tensioner Blue 138101012BURemoves excess slack in the timing chain to prevent damage to the pistons and valves
    09251322
    SKU:
    09251322
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    BLUE
    PRODUCT NAME:
    CAM CHAIN TENSIONER
    $108.95
    Qty in Cart: 0
    Quantity:
    Price:
    $108.95
    Subtotal:
  • TMV Camchain Tensioner - Orange 138101012OR

    TMV Camchain Tensioner - Orange 138101012OR

    TMV

    $108.95
    TMV Camchain Tensioner Orange 138101012ORRemoves excess slack in the timing chain to prevent damage to the pistons and valves
    09251323
    SKU:
    09251323
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    BASE COLOR:
    ORANGE
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    CAM CHAIN TENSIONER
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $108.95
    Subtotal:
  • MOOSE RACING Valve Shim - 7.48 x 2.95 - 5 pack MSE5PK748295

    MOOSE RACING Valve Shim - 7.48 x 2.95 - 5 pack MSE5PK748295

    MOOSE RACING

    $9.95
    MOOSE RACING Valve Shim 7.48 x 2.95 5 pack MSE5PK748295Complete 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...
    09261893
    SKU:
    09261893
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    MATERIAL:
    ROLLED
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    VALVE
    UNITS:
    5 PACK
    OUTSIDE DIAMETER METRIC:
    7.48 MM
    RIDING STYLE:
    ATV
    VALVE SHIM THICKNESS METRIC:
    2.95 MM
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • MOOSE RACING Valve Shim Kit - 8.90 mm MSEHCSHIM00

    MOOSE RACING Valve Shim Kit - 8.90 mm MSEHCSHIM00

    MOOSE RACING

    $86.95
    MOOSE RACING Valve Shim Kit 8.90 mm MSEHCSHIM00Complete 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 mechanic's...
    09261826
    SKU:
    09261826
    Availability:
    Ships Same Business Day
    Weight:
    0.51 LBS
    MATERIAL:
    ROLLED
    OUTSIDE DIAMETER METRIC:
    8.90 MM
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    VALVE
    PRODUCT NAME:
    SHIM KIT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    MATERIAL:
    STEEL
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $86.95
    Qty in Cart: 0
    Quantity:
    Price:
    $86.95
    Subtotal:
  • MOOSE RACING Inner Clutch Cover Gasket 816174

    MOOSE RACING Inner Clutch Cover Gasket 816174

    MOOSE RACING

    $13.97
    MOOSE RACING Inner Clutch Cover Gasket 816174Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as...
    09346125
    SKU:
    09346125
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    UNITS:
    EACH
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH COVER
    Qty in Cart: 0
    Quantity:
    Price:
    $13.97
    Subtotal:
  • MOOSE RACING Inner Clutch Cover Gasket 816213

    MOOSE RACING Inner Clutch Cover Gasket 816213

    MOOSE RACING

    $12.47
    MOOSE RACING Inner Clutch Cover Gasket 816213Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as...
    09346127
    SKU:
    09346127
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    GASKET
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH COVER
    Qty in Cart: 0
    Quantity:
    Price:
    $12.47
    Subtotal:
  • MOOSE RACING Inner Clutch Cover Gasket 816234

    MOOSE RACING Inner Clutch Cover Gasket 816234

    MOOSE RACING

    $15.79
    MOOSE RACING Inner Clutch Cover Gasket 816234Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as...
    09346128
    SKU:
    09346128
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH COVER
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $15.79
    Subtotal:
  • MOOSE RACING Inner Clutch Cover Gasket 816238

    MOOSE RACING Inner Clutch Cover Gasket 816238

    MOOSE RACING

    $17.96
    MOOSE RACING Inner Clutch Cover Gasket 816238Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as...
    09346129
    SKU:
    09346129
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH COVER
    PRODUCT NAME:
    GASKET
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $17.96
    Subtotal:
  • MOOSE RACING Inner Clutch Cover Gasket 816250

    MOOSE RACING Inner Clutch Cover Gasket 816250

    MOOSE RACING

    $16.58
    MOOSE RACING Inner Clutch Cover Gasket 816250Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as...
    09346130
    SKU:
    09346130
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    GASKET
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH COVER
    Qty in Cart: 0
    Quantity:
    Price:
    $16.58
    Subtotal:
  • MOOSE RACING Inner Clutch Cover Gasket 816255

    MOOSE RACING Inner Clutch Cover Gasket 816255

    MOOSE RACING

    $14.09
    MOOSE RACING Inner Clutch Cover Gasket 816255Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as...
    09346132
    SKU:
    09346132
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    TYPE:
    CLUTCH COVER
    UNITS:
    EACH
    PRODUCT NAME:
    GASKET
    RIDING STYLE:
    OFF-ROAD
    $14.09
    Qty in Cart: 0
    Quantity:
    Price:
    $14.09
    Subtotal:
  • MOOSE RACING Inner Clutch Cover Gasket 816256

    MOOSE RACING Inner Clutch Cover Gasket 816256

    MOOSE RACING

    $16.95
    MOOSE RACING Inner Clutch Cover Gasket 816256Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as...
    09346133
    SKU:
    09346133
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH COVER
    UNITS:
    EACH
    PRODUCT NAME:
    GASKET
    Qty in Cart: 0
    Quantity:
    Price:
    $16.95
    Subtotal:
  • MOOSE RACING Inner Clutch Cover Gasket 816263

    MOOSE RACING Inner Clutch Cover Gasket 816263

    MOOSE RACING

    $17.12
    MOOSE RACING Inner Clutch Cover Gasket 816263Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as...
    09346134
    SKU:
    09346134
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH COVER
    UNITS:
    EACH
    PRODUCT NAME:
    GASKET
    $17.12
    Qty in Cart: 0
    Quantity:
    Price:
    $17.12
    Subtotal:
  • MOOSE RACING Case Saver - KX250 0950-0113

    MOOSE RACING Case Saver - KX250 0950-0113

    MOOSE RACING

    $27.95
    MOOSE RACING Case Saver KX250 0950-0113Sturdy 6061 CNC-machined aluminum pieces help to prevent engine case damage, Better looking and more sturdy than OEM plastic guards, Engraved logo, Mounting hardware included, Made in the U.S.A.
    09500113
    SKU:
    09500113
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    COLOR/FINISH:
    ALUMINUM
    PRODUCT NAME:
    CASE SAVER
    TYPE:
    ENGINE
    BASE COLOR:
    SILVER
    MATERIAL:
    6061 ALUMINUM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $27.95
    Qty in Cart: 0
    Quantity:
    Price:
    $27.95
    Subtotal:
  • MOOSE RACING Clutch Cover Gasket 817826

    MOOSE RACING Clutch Cover Gasket 817826

    MOOSE RACING

    $8.43
    MOOSE RACING Clutch Cover Gasket 817826Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as each...
    09341460
    SKU:
    09341460
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    PRODUCT NAME:
    GASKET
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH COVER
    $8.43
    Qty in Cart: 0
    Quantity:
    Price:
    $8.43
    Subtotal:
  • MOOSE RACING Clutch Cover Gasket 817841

    MOOSE RACING Clutch Cover Gasket 817841

    MOOSE RACING

    $14.48
    MOOSE RACING Clutch Cover Gasket 817841Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as each...
    09341461
    SKU:
    09341461
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH COVER
    PRODUCT NAME:
    GASKET
    UNITS:
    EACH
    $14.48
    Qty in Cart: 0
    Quantity:
    Price:
    $14.48
    Subtotal:
  • MOOSE RACING Head Cover Gasket - CRF250 817844

    MOOSE RACING Head Cover Gasket - CRF250 817844

    MOOSE RACING

    $18.21
    MOOSE RACING Head Cover Gasket CRF250 817844Moose 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...
    09341462
    SKU:
    09341462
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MATERIAL:
    RUBBER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    HEAD COVER
    PRODUCT NAME:
    GASKET
    UNITS:
    EACH
    $18.21
    Qty in Cart: 0
    Quantity:
    Price:
    $18.21
    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!