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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
  • WSM Motor Mount - 4 TEC 011-131

    WSM Motor Mount - 4 TEC 011-131

    WSM

    $51.68
    WSM Motor Mount 4 TEC 011-131Replacements for broken or worn-out OEM motor mounts
    09330009
    SKU:
    09330009
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    PRODUCT NAME:
    MOUNT
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    ENGINE
    UNITS:
    EACH
    $51.68
    Qty in Cart: 0
    Quantity:
    Price:
    $51.68
    Subtotal:
  • WSM Oil Pump Cover - Sea-Doo 010-096

    WSM Oil Pump Cover - Sea-Doo 010-096

    WSM

    $29.51
    WSM Oil Pump Cover Sea-Doo 010-096Direct replacement for your oil pump cover
    09320085
    SKU:
    09320085
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    WATERCRAFT
    UNITS:
    EACH
    PRODUCT NAME:
    COVER
    TYPE:
    OIL PUMP
    $29.51
    Qty in Cart: 0
    Quantity:
    Price:
    $29.51
    Subtotal:
  • WSM Long Shaft Pump - Sea-Doo 010-090

    WSM Long Shaft Pump - Sea-Doo 010-090

    WSM

    $45.28
    WSM Long Shaft Pump Sea-Doo 010-090Replacement long shaft for WSM oil pumps
    09320077
    SKU:
    09320077
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    TYPE:
    OIL PUMP
    UNITS:
    EACH
    PRODUCT NAME:
    SHAFT
    RIDING STYLE:
    WATERCRAFT
    $45.28
    Qty in Cart: 0
    Quantity:
    Price:
    $45.28
    Subtotal:
  • WSM Short Shaft Pump - Sea-Doo 010-091

    WSM Short Shaft Pump - Sea-Doo 010-091

    WSM

    $43.31
    WSM Short Shaft Pump Sea-Doo 010-091Replacement long shaft for WSM oil pumps
    09320078
    SKU:
    09320078
    Availability:
    Ships Same Business Day
    Weight:
    0.34 LBS
    UNITS:
    EACH
    TYPE:
    OIL PUMP
    PRODUCT NAME:
    SHAFT
    RIDING STYLE:
    WATERCRAFT
    $43.31
    Qty in Cart: 0
    Quantity:
    Price:
    $43.31
    Subtotal:
  • WSM Short Shaft Pump - Sea-Doo 010-092

    WSM Short Shaft Pump - Sea-Doo 010-092

    WSM

    $43.31
    WSM Short Shaft Pump Sea-Doo 010-092Replacement long shaft for WSM oil pumps
    09320079
    SKU:
    09320079
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    UNITS:
    EACH
    PRODUCT NAME:
    SHAFT
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    OIL PUMP
    $43.31
    Qty in Cart: 0
    Quantity:
    Price:
    $43.31
    Subtotal:
  • WSM Pump Rotor - 4-TEC - Sea-Doo 010-093

    WSM Pump Rotor - 4-TEC - Sea-Doo 010-093

    WSM

    $27.54
    WSM Pump Rotor 4-TEC Sea-Doo 010-093Replacement long shaft for WSM oil pumps
    09320080
    SKU:
    09320080
    Availability:
    Ships Same Business Day
    Weight:
    0.23 LBS
    TYPE:
    OIL PUMP
    UNITS:
    EACH
    PRODUCT NAME:
    ROTOR
    RIDING STYLE:
    WATERCRAFT
    $27.54
    Qty in Cart: 0
    Quantity:
    Price:
    $27.54
    Subtotal:
  • WSM Pump Plate Cover - Sea-Doo 010-095

    WSM Pump Plate Cover - Sea-Doo 010-095

    WSM

    $29.51
    WSM Pump Plate Cover Sea-Doo 010-095Replacement long shaft for WSM oil pumps
    09320081
    SKU:
    09320081
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    PLATE
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    PUMP COVER
    UNITS:
    EACH
    $29.51
    Qty in Cart: 0
    Quantity:
    Price:
    $29.51
    Subtotal:
  • WSM Cylinder Kit - Yamaha 010-6029K

    WSM Cylinder Kit - Yamaha 010-6029K

    WSM

    $729.92
    WSM Cylinder Kit Yamaha 010-6029KExact OEM replica, Nikasil bore plating, High strength, heat-resistant alloy valve with safety link, Moly-coated piston kit with wrist pin clips, High-quality Japanese rings exceed OEM, Kit includes 1 cylinder, 1 piston...
    09310530
    SKU:
    09310530
    Availability:
    Ships Same Business Day
    Weight:
    7.80 LBS
    PRODUCT NAME:
    CYLINDER KIT
    CYLINDER BORE COATING:
    NIKASIL
    RIDING STYLE:
    WATERCRAFT
    UNITS:
    KIT
    $729.92
    Qty in Cart: 0
    Quantity:
    Price:
    $729.92
    Subtotal:
  • WSM Power Valve with Safety Link 010-497-01

    WSM Power Valve with Safety Link 010-497-01

    WSM

    $108.42
    WSM Power Valve with Safety Link 010-497-01Fine tunes exhaust for peak performance
    09262253
    SKU:
    09262253
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    POWER VALVE
    UNITS:
    EACH
    RIDING STYLE:
    WATERCRAFT
    $108.42
    Qty in Cart: 0
    Quantity:
    Price:
    $108.42
    Subtotal:
  • WSM Crankshaft Assembly 010-1028WSM

    WSM Crankshaft Assembly 010-1028WSM

    WSM

    $865.62
    WSM Crankshaft Assembly 010-1028WSMComplete crankshaft assembly with connecting rod, Will meet or exceed OEM performance, Trued to OEM specifications, Multi-cylinder applications include main bearings, Rebuildable, Ready for installation
    09210483
    SKU:
    09210483
    Availability:
    Ships Same Business Day
    Weight:
    28.95 LBS
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    MATERIAL:
    STEEL
    UNITS:
    KIT
    RIDING STYLE:
    WATERCRAFT
    $865.62
    Qty in Cart: 0
    Quantity:
    Price:
    $865.62
    Subtotal:
  • WSM Crankshaft Assembly 010-1028-01WSM

    WSM Crankshaft Assembly 010-1028-01WSM

    WSM

    $1,165.75
    WSM Crankshaft Assembly 010-1028-01WSMComplete crankshaft assembly with connecting rod, Will meet or exceed OEM performance, Trued to OEM specifications, Multi-cylinder applications include main bearings, Rebuildable, Ready for installation
    09210484
    SKU:
    09210484
    Availability:
    Ships Same Business Day
    Weight:
    42.80 LBS
    PRODUCT NAME:
    CRANKSHAFT ASSEMBLY
    MATERIAL:
    STEEL
    RIDING STYLE:
    WATERCRAFT
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $1,165.75
    Subtotal:
  • WSM Crankshaft Assembly 010-1060WSM

    WSM Crankshaft Assembly 010-1060WSM

    WSM

    $764.06
    WSM Crankshaft Assembly 010-1060WSMComplete crankshaft assembly with connecting rod, Will meet or exceed OEM performance, Trued to OEM specifications, Multi-cylinder applications include main bearings, Rebuildable, Ready for installation
    09210485
    SKU:
    09210485
    Availability:
    Ships Same Business Day
    Weight:
    24.10 LBS
    PRODUCT NAME:
    CRANKSHAFT
    RIDING STYLE:
    WATERCRAFT
    MATERIAL:
    STEEL
    UNITS:
    EACH
    $764.06
    Qty in Cart: 0
    Quantity:
    Price:
    $764.06
    Subtotal:
  • WSM Crankshaft Assembly 010-1061WSM

    WSM Crankshaft Assembly 010-1061WSM

    WSM

    $764.06
    WSM Crankshaft Assembly 010-1061WSMComplete crankshaft assembly with connecting rod, Will meet or exceed OEM performance, Trued to OEM specifications, Multi-cylinder applications include main bearings, Rebuildable, Ready for installation
    09210486
    SKU:
    09210486
    Availability:
    Ships Same Business Day
    Weight:
    24.30 LBS
    PRODUCT NAME:
    CRANKSHAFT
    RIDING STYLE:
    WATERCRAFT
    MATERIAL:
    STEEL
    UNITS:
    EACH
    $764.06
    Qty in Cart: 0
    Quantity:
    Price:
    $764.06
    Subtotal:
  • WSM Ring Set 010-909

    WSM Ring Set 010-909

    WSM

    $41.33
    WSM Ring Set 010-909Order one per cylinder
    09120260
    SKU:
    09120260
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    PISTON RING
    RIDING STYLE:
    WATERCRAFT
    UNITS:
    SET
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PISTON MATERIAL:
    ALUMINUM
    Qty in Cart: 0
    Quantity:
    Price:
    $41.33
    Subtotal:
  • WSM Ring Set 010-909-07

    WSM Ring Set 010-909-07

    WSM

    $40.52
    WSM Ring Set 010-909-07Order one per cylinder
    09120262
    SKU:
    09120262
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    BORE - OVERSIZE:
    +1,00 MM
    UNITS:
    SET
    BORE - OVERSIZE METRIC:
    +1.00 MM
    PISTON MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    PISTON RING
    RIDING STYLE:
    WATERCRAFT
    $40.52
    Qty in Cart: 0
    Quantity:
    Price:
    $40.52
    Subtotal:
  • WSM Ring Set 010-924

    WSM Ring Set 010-924

    WSM

    $33.53
    WSM Ring Set 010-924Order one per cylinder
    09120263
    SKU:
    09120263
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    WATERCRAFT
    UNITS:
    SET
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PISTON MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    PISTON RING
    $33.53
    Qty in Cart: 0
    Quantity:
    Price:
    $33.53
    Subtotal:
  • WSM Ring Set 010-924-07

    WSM Ring Set 010-924-07

    WSM

    $32.87
    WSM Ring Set 010-924-07Order one per cylinder
    09120265
    SKU:
    09120265
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    UNITS:
    SET
    BORE - OVERSIZE:
    +1,00 MM
    BORE - OVERSIZE METRIC:
    +1.00 MM
    PISTON MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    PISTON RING
    RIDING STYLE:
    WATERCRAFT
    Qty in Cart: 0
    Quantity:
    Price:
    $32.87
    Subtotal:
  • WSM Ring Set 010-960

    WSM Ring Set 010-960

    WSM

    $59.09
    WSM Ring Set 010-960Order one per cylinder
    09120266
    SKU:
    09120266
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    BORE - OVERSIZE METRIC:
    STANDARD
    PISTON MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    PISTON RING
    RIDING STYLE:
    WATERCRAFT
    UNITS:
    SET
    BORE - OVERSIZE:
    STANDARD
    Qty in Cart: 0
    Quantity:
    Price:
    $59.09
    Subtotal:
  • WSM Ring Set 010-960-05

    WSM Ring Set 010-960-05

    WSM

    $59.10
    WSM Ring Set 010-960-05Order one per cylinder
    09120267
    SKU:
    09120267
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BORE - OVERSIZE METRIC:
    +0.50 MM
    PISTON MATERIAL:
    ALUMINUM
    RIDING STYLE:
    WATERCRAFT
    PRODUCT NAME:
    PISTON RING
    BORE - OVERSIZE:
    +0,50 MM
    UNITS:
    SET
    $59.10
    Qty in Cart: 0
    Quantity:
    Price:
    $59.10
    Subtotal:
  • WSM Ring Set 010-944

    WSM Ring Set 010-944

    WSM

    $39.36
    WSM Ring Set 010-944Order one per cylinder
    09110010
    SKU:
    09110010
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    WATERCRAFT
    UNITS:
    SET
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PISTON MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    PISTON RING
    $39.36
    Qty in Cart: 0
    Quantity:
    Price:
    $39.36
    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!