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
  • MOOSE RACING Complete Motor Gasket Kit - YZ250 808669

    MOOSE RACING Complete Motor Gasket Kit - YZ250 808669

    MOOSE RACING

    $52.91
    MOOSE RACING Complete Motor Gasket Kit YZ250 808669Moose 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...
    09341517
    SKU:
    09341517
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    TYPE:
    ENGINE
    PRODUCT NAME:
    GASKET
    UNITS:
    KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    $52.91
    Qty in Cart: 0
    Quantity:
    Price:
    $52.91
    Subtotal:
  • MOOSE RACING Ignition Cover Gasket 816677

    MOOSE RACING Ignition Cover Gasket 816677

    MOOSE RACING

    $9.67
    MOOSE RACING Ignition Cover Gasket 816677Moose 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 are...
    09341459
    SKU:
    09341459
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    PRODUCT NAME:
    GASKET
    TYPE:
    IGNITION COVER
    $9.67
    Qty in Cart: 0
    Quantity:
    Price:
    $9.67
    Subtotal:
  • On Sale
    TMV Camchain Tensioner 138361060

    TMV Camchain Tensioner 138361060

    TMV

    MSRP: $110.95
    Now: $67.00
    Was: $110.95
    TMV Camchain Tensioner 138361060TMV Camchain Tensioner
    09220177
    SKU:
    09220177
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    UNITS:
    EACH
    PRODUCT NAME:
    TENSIONER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CAM CHAIN
    MSRP: $110.95
    Now: $67.00
    Was: $110.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $110.95
    Now: $67.00
    Was: $110.95
    Subtotal:
  • TMV Flywheel Weight 310FW1209

    TMV Flywheel Weight 310FW1209

    TMV

    $152.95
    TMV Flywheel Weight 310FW1209Machined 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
    09220084
    SKU:
    09220084
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    PRODUCT NAME:
    FLYWHEEL WEIGHT
    MATERIAL:
    303 STAINLESS STEEL
    UNITS:
    EACH
    FEATURES:
    FLYWHEEL WEIGHT - 9 OZ.
    RIDING STYLE:
    OFF-ROAD
    $152.95
    Qty in Cart: 0
    Quantity:
    Price:
    $152.95
    Subtotal:
  • TMV Flywheel Weight 310FW1211

    TMV Flywheel Weight 310FW1211

    TMV

    $152.95
    TMV Flywheel Weight 310FW1211Machined 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
    09220085
    SKU:
    09220085
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    FEATURES:
    FLYWHEEL WEIGHT - 11 OZ.
    PRODUCT NAME:
    FLYWHEEL WEIGHT
    MATERIAL:
    303 STAINLESS STEEL
    $152.95
    Qty in Cart: 0
    Quantity:
    Price:
    $152.95
    Subtotal:
  • TMV Flywheel Weight 310FW1213

    TMV Flywheel Weight 310FW1213

    TMV

    $152.95
    TMV Flywheel Weight 310FW1213Machined 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
    09220086
    SKU:
    09220086
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    FEATURES:
    FLYWHEEL WEIGHT - 13 OZ.
    UNITS:
    EACH
    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 310FW1311

    TMV Flywheel Weight 310FW1311

    TMV

    $181.95
    TMV Flywheel Weight 310FW1311Machined 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
    09220088
    SKU:
    09220088
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    FEATURES:
    FLYWHEEL WEIGHT - 11 OZ.
    PRODUCT NAME:
    FLYWHEEL WEIGHT
    MATERIAL:
    303 STAINLESS STEEL
    $181.95
    Qty in Cart: 0
    Quantity:
    Price:
    $181.95
    Subtotal:
  • TMV Flywheel Weight 310FW1313

    TMV Flywheel Weight 310FW1313

    TMV

    $181.95
    TMV Flywheel Weight 310FW1313Machined 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
    09220089
    SKU:
    09220089
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    MATERIAL:
    303 STAINLESS STEEL
    FEATURES:
    FLYWHEEL WEIGHT - 13 OZ.
    PRODUCT NAME:
    FLYWHEEL WEIGHT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $181.95
    Qty in Cart: 0
    Quantity:
    Price:
    $181.95
    Subtotal:
  • TMV Flywheel Weight 310FW5109

    TMV Flywheel Weight 310FW5109

    TMV

    $152.95
    TMV Flywheel Weight 310FW5109Machined 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
    09220090
    SKU:
    09220090
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    MATERIAL:
    303 STAINLESS STEEL
    UNITS:
    EACH
    FEATURES:
    FLYWHEEL WEIGHT - 9 OZ.
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    FLYWHEEL WEIGHT
    $152.95
    Qty in Cart: 0
    Quantity:
    Price:
    $152.95
    Subtotal:
  • TMV Flywheel Weight 310FW5111

    TMV Flywheel Weight 310FW5111

    TMV

    $152.95
    TMV Flywheel Weight 310FW5111Machined 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
    09220091
    SKU:
    09220091
    Availability:
    Ships Same Business Day
    Weight:
    0.80 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 310FW5113

    TMV Flywheel Weight 310FW5113

    TMV

    $152.95
    TMV Flywheel Weight 310FW5113Machined 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
    09220092
    SKU:
    09220092
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    MATERIAL:
    303 STAINLESS STEEL
    PRODUCT NAME:
    FLYWHEEL WEIGHT
    RIDING STYLE:
    OFF-ROAD
    FEATURES:
    FLYWHEEL WEIGHT - 13 OZ.
    UNITS:
    EACH
    $152.95
    Qty in Cart: 0
    Quantity:
    Price:
    $152.95
    Subtotal:
  • TMV Flywheel Weight 310FW4113

    TMV Flywheel Weight 310FW4113

    TMV

    $166.95
    TMV Flywheel Weight 310FW4113Machined 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
    09220098
    SKU:
    09220098
    Availability:
    Ships Same Business Day
    Weight:
    1.15 LBS
    PRODUCT NAME:
    FLYWHEEL WEIGHT
    FEATURES:
    FLYWHEEL WEIGHT - 13 OZ.
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    303 STAINLESS STEEL
    UNITS:
    EACH
    $166.95
    Qty in Cart: 0
    Quantity:
    Price:
    $166.95
    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
    $152.95
    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
    $108.95
    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

    $80.80
    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
    $80.80
    Qty in Cart: 0
    Quantity:
    Price:
    $80.80
    Subtotal:
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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!