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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
  • JAGG OIL COOLERS Manual By-Pass Valve 4000

    JAGG OIL COOLERS Manual By-Pass Valve 4000

    JAGG OIL COOLERS

    $79.95
    JAGG OIL COOLERS Manual By-Pass Valve 4000Acts as a manual thermostat, allowing you to by-pass the oil cooling system for cold-weather riding or for faster warm-ups on cool days, Durable anodized billet aluminum construction, Knurled grip knob, Works...
    07130215
    SKU:
    07130215
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    TYPE:
    MANUAL
    PRODUCT NAME:
    BYPASS VALVE
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
    Subtotal:
  • JAGG OIL COOLERS Hose Separator - Silver - 3/8" 22-JHS06-SL

    JAGG OIL COOLERS Hose Separator - Silver - 3/8" 22-JHS06-SL

    JAGG OIL COOLERS

    $10.95
    JAGG OIL COOLERS Hose Separator Silver 3/8" 22-JHS06-SLMachined from billet aluminum, Suitable for 3/8" plain rubber or braided oil hose, Install in a snap
    07130235
    SKU:
    07130235
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE FINISH:
    CHROME
    COLOR/FINISH:
    CHROME
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    HOSE SEPARATOR
    UNITS:
    EACH
    MATERIAL:
    BILLET ALUMINUM
    MOUNTING STYLE:
    BOLT-ON
    Qty in Cart: 0
    Quantity:
    Price:
    $10.95
    Subtotal:
  • PRO FILTER Replacement Oil Filter PF-631

    PRO FILTER Replacement Oil Filter PF-631

    PRO FILTER

    $8.99
    PRO FILTER Replacement Oil Filter PF-631High-performance OEM-type filter, Include fibrous micro-pore filtration structure, Consistent flow rates with high strength and dimensional stability, For use with synthetic or petroleum-based oils, Exceed OEM...
    07120625
    SKU:
    07120625
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    OIL FILTER
    STYLE:
    PREMIUM
    BASE FINISH:
    CHROME
    COLOR/FINISH:
    CHROME
    FILTER MEDIA MATERIAL:
    PAPER
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    $8.99
    Qty in Cart: 0
    Quantity:
    Price:
    $8.99
    Subtotal:
  • HOT RODS Seal Output Shaft OSK0010

    HOT RODS Seal Output Shaft OSK0010

    HOT RODS

    $25.95
    HOT RODS Seal Output Shaft OSK0010A 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...
    09350576
    SKU:
    09350576
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    PRODUCT NAME:
    SEAL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $25.95
    Qty in Cart: 0
    Quantity:
    Price:
    $25.95
    Subtotal:
  • HOT RODS Seal Output Shaft OSK0011

    HOT RODS Seal Output Shaft OSK0011

    HOT RODS

    $27.95
    HOT RODS Seal Output Shaft OSK0011A 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...
    09350577
    SKU:
    09350577
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    PRODUCT NAME:
    SEAL
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $27.95
    Qty in Cart: 0
    Quantity:
    Price:
    $27.95
    Subtotal:
  • HOT RODS Seal Output Shaft OSK0032

    HOT RODS Seal Output Shaft OSK0032

    HOT RODS

    $35.95
    HOT RODS Seal Output Shaft OSK0032A 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...
    09350595
    SKU:
    09350595
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    UNITS:
    KIT
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    PRODUCT NAME:
    SEAL
    RIDING STYLE:
    OFF-ROAD
    $35.95
    Qty in Cart: 0
    Quantity:
    Price:
    $35.95
    Subtotal:
  • HOT RODS Seal Output Shaft OSK0033

    HOT RODS Seal Output Shaft OSK0033

    HOT RODS

    $7.95
    HOT RODS Seal Output Shaft OSK0033A 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...
    09350596
    SKU:
    09350596
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    SEAL
    $7.95
    Qty in Cart: 0
    Quantity:
    Price:
    $7.95
    Subtotal:
  • HOT RODS Seal Output Shaft OSK0036

    HOT RODS Seal Output Shaft OSK0036

    HOT RODS

    $28.95
    HOT RODS Seal Output Shaft OSK0036A 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...
    09350598
    SKU:
    09350598
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    SEAL
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    UNITS:
    KIT
    $28.95
    Qty in Cart: 0
    Quantity:
    Price:
    $28.95
    Subtotal:
  • HOT RODS Seal Output Shaft OSK0037

    HOT RODS Seal Output Shaft OSK0037

    HOT RODS

    $35.95
    HOT RODS Seal Output Shaft OSK0037A 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...
    09350599
    SKU:
    09350599
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    PRODUCT NAME:
    SEAL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $35.95
    Qty in Cart: 0
    Quantity:
    Price:
    $35.95
    Subtotal:
  • HOT RODS Seal Output Shaft OSK0054

    HOT RODS Seal Output Shaft OSK0054

    HOT RODS

    $36.95
    HOT RODS Seal Output Shaft OSK0054A 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...
    09350724
    SKU:
    09350724
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    SEAL
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • HOT RODS Seal Output Shaft OSK0056

    HOT RODS Seal Output Shaft OSK0056

    HOT RODS

    $36.95
    HOT RODS Seal Output Shaft OSK0056A 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...
    09350836
    SKU:
    09350836
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    UNITS:
    KIT
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    PRODUCT NAME:
    SEAL
    $36.95
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • HOT RODS Output Shaft Seal OSK0059

    HOT RODS Output Shaft Seal OSK0059

    HOT RODS

    $23.95
    HOT RODS Output Shaft Seal OSK0059A 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...
    09351032
    SKU:
    09351032
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    TYPE:
    OIL
    UNITS:
    KIT
    APPLICATION:
    COUNTERSHAFT
    PRODUCT NAME:
    SEAL KIT
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $23.95
    Subtotal:
  • HOT RODS Water Pump Repair Kit - Husqvarna WPK0066

    HOT RODS Water Pump Repair Kit - Husqvarna WPK0066

    HOT RODS

    $73.95
    HOT RODS Water Pump Repair Kit Husqvarna WPK0066Kits include water pump cover gasket, water pump shaft bearing(s) and seal(s) to repair a leaking pump or failed bearing, Precision micro bearings provide OEM quality and durability,...
    09345373
    SKU:
    09345373
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    WATER PUMP
    UNITS:
    KIT
    PRODUCT NAME:
    REPAIR KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $73.95
    Subtotal:
  • HOT RODS Water Pump Repair Kit - Kawasaki WPK0030

    HOT RODS Water Pump Repair Kit - Kawasaki WPK0030

    HOT RODS

    $36.95
    HOT RODS Water Pump Repair Kit Kawasaki WPK0030Kits include water pump cover gasket, water pump shaft bearing(s) and seal(s) to repair a leaking pump or failed bearing, Precision micro bearings provide OEM quality and durability,...
    09345375
    SKU:
    09345375
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    WATER PUMP
    UNITS:
    KIT
    PRODUCT NAME:
    REPAIR KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • HOT RODS Water Pump Repair Kit - KTM WPK0068

    HOT RODS Water Pump Repair Kit - KTM WPK0068

    HOT RODS

    $70.95
    HOT RODS Water Pump Repair Kit KTM WPK0068Kits include water pump cover gasket, water pump shaft bearing(s) and seal(s) to repair a leaking pump or failed bearing, Precision micro bearings provide OEM quality and durability, High-pressure/temperature...
    09345377
    SKU:
    09345377
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    REPAIR KIT
    TYPE:
    WATER PUMP
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $70.95
    Qty in Cart: 0
    Quantity:
    Price:
    $70.95
    Subtotal:
  • HOT RODS Counter Balancer Bearing Kit BBK0020

    HOT RODS Counter Balancer Bearing Kit BBK0020

    HOT RODS

    $38.95
    HOT RODS Counter Balancer Bearing Kit BBK0020A must-have for any new counter balancer or engine case installation or repair, Includes trusted Hot Rods bearings for the counter balancer shaft of most modern 4-stroke engines, Does not include water pump...
    09500611
    SKU:
    09500611
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERBALANCE SHAFT
    UNITS:
    KIT
    PRODUCT NAME:
    BEARING KIT
    $38.95
    Qty in Cart: 0
    Quantity:
    Price:
    $38.95
    Subtotal:
  • HOT RODS Water Pump Shaft HRSHA-004

    HOT RODS Water Pump Shaft HRSHA-004

    HOT RODS

    $36.95
    HOT RODS Water Pump Shaft HRSHA-004Replaces worn water pump shaft, OE quality materials, Polished surface finish decreases water pump seal wear, Complement Hot Rod's Water Pump Repair kit
    09500577
    SKU:
    09500577
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    TYPE:
    WATER PUMP
    UNITS:
    EACH
    PRODUCT NAME:
    SHAFT
    RIDING STYLE:
    OFF-ROAD
    $36.95
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • HOT RODS Water Pump Shaft HRSHA-005

    HOT RODS Water Pump Shaft HRSHA-005

    HOT RODS

    $31.95
    HOT RODS Water Pump Shaft HRSHA-005Replaces worn water pump shaft, OE quality materials, Polished surface finish decreases water pump seal wear, Complement Hot Rod's Water Pump Repair kit
    09500578
    SKU:
    09500578
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    UNITS:
    EACH
    TYPE:
    WATER PUMP
    PRODUCT NAME:
    SHAFT
    RIDING STYLE:
    OFF-ROAD
    $31.95
    Qty in Cart: 0
    Quantity:
    Price:
    $31.95
    Subtotal:
  • HOT RODS Counter Balancer Bearing Kit - Honda BBK0006

    HOT RODS Counter Balancer Bearing Kit - Honda BBK0006

    HOT RODS

    $26.95
    HOT RODS Counter Balancer Bearing Kit Honda BBK0006A must-have for any new counter balancer or engine case installation or repair, Includes trusted Hot Rods bearings for the counter balancer shaft of most modern 4-stroke engines, Does not include water...
    09500553
    SKU:
    09500553
    Availability:
    Ships Same Business Day
    Weight:
    0.23 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERBALANCE SHAFT
    UNITS:
    KIT
    PRODUCT NAME:
    BEARING KIT
    $26.95
    Qty in Cart: 0
    Quantity:
    Price:
    $26.95
    Subtotal:
  • HOT RODS Counter Balancer Bearing Kit - Yamaha BBK0013

    HOT RODS Counter Balancer Bearing Kit - Yamaha BBK0013

    HOT RODS

    $62.95
    HOT RODS Counter Balancer Bearing Kit Yamaha BBK0013A must-have for any new counter balancer or engine case installation or repair, Includes trusted Hot Rods bearings for the counter balancer shaft of most modern 4-stroke engines, Does not include water...
    09500555
    SKU:
    09500555
    Availability:
    Ships Same Business Day
    Weight:
    0.26 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    BEARING KIT
    TYPE:
    COUNTERBALANCE SHAFT
    Qty in Cart: 0
    Quantity:
    Price:
    $62.95
    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!