Dirt Bike Engine
Dirt Bike Engine Parts at JJ Motorsports
Discover a full range of dirt bike engine components for rebuilding or upgrading your performance from JJ Motorsports. 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 to keep your engine running at peak efficiency on the track or trails.
Shop trusted brands like Wiseco for forged piston kits and K&N for high-flow oil filters. Explore related categories such as Dirt Bike Air and Fuel for intake upgrades or Dirt Bike Exhaust for complete systems.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
HOT RODS Water Pump Repair Kit - KTM WPK0051
HOT RODS
$110.95Water pump failures can sideline your bike at the worst possible moment—whether you're on the track or miles from the nearest shop. This repair kit addresses the root causes of pump degradation by replacing critical internal components that wear under...09343048- SKU:
- 09343048
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
$110.95 -
HOT RODS Water Pump Repair Kit - Honda WPK0010
HOT RODS
$30.95A leaking or failing water pump doesn't just waste coolant—it puts your engine at risk of overheating and catastrophic damage. The HOT RODS Water Pump Repair Kit gives you OEM-quality replacement components to restore pump integrity without a full...09342922- SKU:
- 09342922
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
$30.95 -
HOT RODS Water Pump Repair Kit - Yamaha WPK0017
HOT RODS
$34.95A failing water pump doesn't just reduce cooling efficiency—it can leave you stranded mid-race or mid-ride with catastrophic engine damage. The HOT RODS Water Pump Repair Kit (WPK0017) gives you OEM-quality replacement components to restore your pump's...09342929- SKU:
- 09342929
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
$34.95 -
HOT RODS Water Pump Repair Kit - Yamaha WPK0029
HOT RODS
$34.95A failing water pump doesn't just compromise cooling efficiency—it threatens catastrophic engine damage and costly downtime. The HOT RODS WPK0029 delivers precision micro bearings and high-performance seals engineered to OEM specifications, restoring...09342940- SKU:
- 09342940
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
$34.95 -
HOT RODS Water Pump Repair Kit WPK0031
HOT RODS
$34.95A failing water pump doesn't just leak—it threatens engine temperature control and can lead to catastrophic overheating. The HOT RODS Water Pump Repair Kit WPK0031 gives you a cost-effective alternative to full pump replacement, addressing the root...09342941- SKU:
- 09342941
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- WATER PUMP
$34.95 -
HOT RODS Water Pump Repair Kit - Kawasaki WPK0033
HOT RODS
$40.95A leaking water pump isn't just an annoyance—it's a threat to engine reliability and performance. This repair kit gives you OEM-quality components to restore your Kawasaki's cooling system without replacing the entire pump assembly. Whether you're...09342942- SKU:
- 09342942
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
$40.95 -
HOT RODS Water Pump Repair Kit - Kawasaki WPK0034
HOT RODS
$44.95A leaking or failing water pump can sideline your machine and compromise engine cooling performance when you need it most. This HOT RODS repair kit delivers OEM-quality replacement components—gaskets, bearings, and seals—to restore your pump to factory...09342943- SKU:
- 09342943
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
$44.95 -
HOT RODS Water Pump Repair Kit - Kawasaki WPK0036
HOT RODS
$40.95A leaking water pump compromises cooling efficiency and risks catastrophic engine damage—this repair kit gives you OEM-quality replacement components without the cost of a full pump replacement. The precision micro bearings and high-pressure seals...09342944- SKU:
- 09342944
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
$40.95 -
HOT RODS Water Pump Repair Kit - Kawasaki WPK0038
HOT RODS
$34.95A leaking or worn water pump compromises engine cooling efficiency and risks catastrophic overheating—especially under race conditions or sustained high-load operation. This HOT RODS repair kit delivers OEM-quality components to restore your pump's...09342946- SKU:
- 09342946
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
$34.95 -
HOT RODS Water Pump Repair Kit WPK0039
HOT RODS
$39.95A leaking water pump compromises cooling system integrity and can lead to catastrophic engine damage if left unaddressed. The HOT RODS Water Pump Repair Kit WPK0039 gives you OEM-quality replacement components to restore your pump's seal and bearing...09342947- SKU:
- 09342947
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
$39.95 -
HOT RODS Water Pump Repair Kit - Suzuki WPK0040
HOT RODS
$46.95A leaking water pump doesn't just waste coolant—it can lead to catastrophic engine overheating and costly downtime. The HOT RODS Water Pump Repair Kit gives you everything needed to restore pump integrity without replacing the entire assembly, saving...09342948- SKU:
- 09342948
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
$46.95Qty in Cart: 0Quantity:Price:$46.95Subtotal: -
HOT RODS Water Pump Repair Kit - Suzuki WPK0041
HOT RODS
$30.95A leaking or noisy water pump compromises your engine's cooling efficiency and can lead to catastrophic overheating during sustained track sessions or aggressive driving. This HOT RODS repair kit gives you a cost-effective alternative to full pump...09342949- SKU:
- 09342949
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
$30.95 -
HOT RODS Water Pump Repair Kit - Suzuki WPK0044
HOT RODS
$31.95A leaking water pump compromises engine cooling efficiency and can lead to catastrophic overheating if left unaddressed. This HOT RODS repair kit supplies all the internal sealing and bearing components needed to restore your Suzuki's pump to OEM...09342952- SKU:
- 09342952
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
$31.95 -
HOT RODS Water Pump Repair Kit KTM WPK0047
HOT RODS
$50.95A leaking water pump doesn't just waste coolant—it can lead to catastrophic engine failure if left unaddressed. The HOT RODS Water Pump Repair Kit gives you everything needed to restore your KTM's cooling system to OEM specifications without replacing...09342954- SKU:
- 09342954
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
$50.95Qty in Cart: 0Quantity:Price:$50.95Subtotal: -
HOT RODS Water Pump Repair Kit - KTM WPK0050
HOT RODS
$50.95A leaking water pump doesn't just waste coolant—it compromises engine temperature control and risks catastrophic overheating during aggressive riding or racing. This repair kit gives you OEM-quality components to restore your pump's integrity without...09342957- SKU:
- 09342957
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
$50.95 -
HOT RODS Water Pump Repair Kit - Suzuki WPK0052
HOT RODS
$50.95A leaking water pump compromises cooling efficiency and risks catastrophic engine damage—this repair kit restores OEM-quality performance without replacing the entire assembly. The HOT RODS WPK0052 supplies precision-engineered seals, bearings, and...09342958- SKU:
- 09342958
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
$50.95 -
HOT RODS Water Pump Repair Kit WPK0071
HOT RODS
$62.95A leaking water pump compromises cooling system integrity and can lead to overheating, engine damage, and costly downtime. This repair kit gives you a cost-effective alternative to full replacement, restoring OEM-level performance with...09320229- SKU:
- 09320229
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- WATER PUMP
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$62.95 -
HOT RODS Connecting Rod 8726
HOT RODS
$159.95If you're building or rebuilding a high-RPM engine, your connecting rods are the critical link between combustion force and crankshaft rotation—they must handle extreme stress without compromise. The HOT RODS 8726 is engineered to deliver OE-quality...09230580- SKU:
- 09230580
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- 8620 STEEL
- PRODUCT NAME:
- CONNECTING ROD
$159.95 -
HOT RODS Connecting Rod 8690
HOT RODS
$232.95Whether you're building a high-rpm stroker or replacing worn factory rods, the HOT RODS Connecting Rod 8690 delivers the strength and precision needed to handle sustained boost and aggressive ignition timing. AISI 8620 certified steel and case-hardened...09230289- SKU:
- 09230289
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- FEATURES:
- INCLUDES THRUST WASHERS
- MATERIAL:
- 8620 STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 4-CYCLE
$232.95 -
HOT RODS Connecting Rod 8694
HOT RODS
$232.95When you're pushing your engine to its limits, a weak link in your drivetrain can end your race day—or worse, cost you thousands in engine damage. The HOT RODS Connecting Rod 8694 is engineered for the abuse that high-RPM applications demand, combining...09230291- SKU:
- 09230291
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 4-CYCLE
- MATERIAL:
- 8620 STEEL
$232.95
