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
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MOOSE RACING Complete Motor Gasket Kit - KTM/Husqvarna 808340
MOOSE RACING
$69.37Moose 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 each set is designed for durability and...09345353- SKU:
- 09345353
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET
- TYPE:
- ENGINE
$69.37 -
MOOSE RACING Valve Shim - 7.48 x 2.60 - 5 pack MSE5PK748260
MOOSE RACING
$9.95Complete 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 tool box, Refills sold to dealers in 5-packs;...09261886- SKU:
- 09261886
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- ROLLED
- MATERIAL:
- STEEL
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 2.60 MM
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
$9.95 -
MOOSE RACING Valve Shim - 7.48 x 2.65 - 5 pack MSE5PK748265
MOOSE RACING
$9.95Complete 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 tool box, Refills sold to dealers in 5-packs;...09261887- SKU:
- 09261887
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MATERIAL:
- ROLLED
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 2.65 MM
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
$9.95 -
MOOSE RACING Water Pump Rebuild Kit 821428
MOOSE RACING
$54.74Include every gasket, O-ring, bearing and seal required to rebuild a water pump, Typical kit includes the following: bearings where applicable; rubber seals; mechanical water pump seal where applicable; side cover gasket; water pump gasket; snap rings...09345217- SKU:
- 09345217
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- TYPE:
- WATER PUMP
$54.74Qty in Cart: 0Quantity:Price:$54.74Subtotal: -
MOOSE RACING Water Pump Rebuild Kit 821429
MOOSE RACING
$49.11Include every gasket, O-ring, bearing and seal required to rebuild a water pump, Typical kit includes the following: bearings where applicable; rubber seals; mechanical water pump seal where applicable; side cover gasket; water pump gasket; snap rings...09345218- SKU:
- 09345218
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- WATER PUMP
- UNITS:
- KIT
$49.11 -
MOOSE RACING Water Pump Rebuild Kit 821430
MOOSE RACING
$51.29Include every gasket, O-ring, bearing and seal required to rebuild a water pump, Typical kit includes the following: bearings where applicable; rubber seals; mechanical water pump seal where applicable; side cover gasket; water pump gasket; snap rings...09345219- SKU:
- 09345219
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- WATER PUMP
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
$51.29 -
MOOSE RACING Water Pump Rebuild Kit 821470
MOOSE RACING
$46.88Include every gasket, O-ring, bearing and seal required to rebuild a water pump, Typical kit includes the following: bearings where applicable; rubber seals; mechanical water pump seal where applicable; side cover gasket; water pump gasket; snap rings...09345229- SKU:
- 09345229
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- WATER PUMP
$46.88 -
MOOSE RACING Water Pump Rebuild Kit 821478
MOOSE RACING
$49.32Include every gasket, O-ring, bearing and seal required to rebuild a water pump, Typical kit includes the following: bearings where applicable; rubber seals; mechanical water pump seal where applicable; side cover gasket; water pump gasket; snap rings...09345230- SKU:
- 09345230
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- WATER PUMP
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
$49.32 -
MOOSE RACING Water Pump Rebuild Kit 821481
MOOSE RACING
$50.00Include every gasket, O-ring, bearing and seal required to rebuild a water pump, Typical kit includes the following: bearings where applicable; rubber seals; mechanical water pump seal where applicable; side cover gasket; water pump gasket; snap rings...09345231- SKU:
- 09345231
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- WATER PUMP
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$50.00 -
MOOSE RACING Water Pump Rebuild Kit 821504
MOOSE RACING
$36.53Include every gasket, O-ring, bearing and seal required to rebuild a water pump, Typical kit includes the following: bearings where applicable; rubber seals; mechanical water pump seal where applicable; side cover gasket; water pump gasket; snap rings...09345235- SKU:
- 09345235
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
$36.53 -
MOOSE RACING Water Pump Rebuild Kit 821505
MOOSE RACING
$34.71Include every gasket, O-ring, bearing and seal required to rebuild a water pump, Typical kit includes the following: bearings where applicable; rubber seals; mechanical water pump seal where applicable; side cover gasket; water pump gasket; snap rings...09345236- SKU:
- 09345236
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
$34.71 -
MOOSE RACING Water Pump Rebuild Kit 821547
MOOSE RACING
$54.21Include every gasket, O-ring, bearing and seal required to rebuild a water pump, Typical kit includes the following: bearings where applicable; rubber seals; mechanical water pump seal where applicable; side cover gasket; water pump gasket; snap rings...09345238- SKU:
- 09345238
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- WATER PUMP
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$54.21 -
MOOSE RACING Exhaust Gasket Kit 823053
MOOSE RACING
$8.21MOOSE RACING Exhaust Gasket Kit09345278- SKU:
- 09345278
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- EXHAUST
- PRODUCT NAME:
- GASKET KIT
$8.21 -
MOOSE RACING Exhaust Gasket Kit 823055
MOOSE RACING
$8.21MOOSE RACING Exhaust Gasket Kit09345279- SKU:
- 09345279
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- KIT
- TYPE:
- EXHAUST
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
$8.21 -
MOOSE RACING Exhaust Gasket Kit 823062
MOOSE RACING
$8.21MOOSE RACING Exhaust Gasket Kit09345281- SKU:
- 09345281
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- EXHAUST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- RIDING STYLE:
- ATV
$8.21 -
MOOSE RACING Exhaust Gasket Kit 823064
MOOSE RACING
$8.21MOOSE RACING Exhaust Gasket Kit09345282- SKU:
- 09345282
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- EXHAUST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$8.21 -
MOOSE RACING Exhaust Gasket Kit 823065
MOOSE RACING
$8.21MOOSE RACING Exhaust Gasket Kit09345283- SKU:
- 09345283
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- EXHAUST
$8.21 -
MOOSE RACING Exhaust Gasket Kit 823068
MOOSE RACING
$8.21MOOSE RACING Exhaust Gasket Kit09345285- SKU:
- 09345285
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- EXHAUST
$8.21 -
MOOSE RACING Exhaust Gasket Kit 823069
MOOSE RACING
$8.21MOOSE RACING Exhaust Gasket Kit09345286- SKU:
- 09345286
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- EXHAUST
- PRODUCT NAME:
- GASKET KIT
$8.21 -
MOOSE RACING Exhaust Gasket Kit 823072
MOOSE RACING
$8.21MOOSE RACING Exhaust Gasket Kit09345288- SKU:
- 09345288
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- KIT
- TYPE:
- EXHAUST
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$8.21
