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 Clutch Cylinder Guard - KTM 13-116
MOOSE RACING
$42.95CNC-machined aluminum is black anodized and contrast cut for stylish, functional protection, Specialized applications guard hydraulic clutch cylinders and feature knockdown bars to keep your chain in check, Mounting hardware included, Made in the U.S.A.09500806- SKU:
- 09500806
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- TYPE:
- SLAVE CYLINDER
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- CASE SAVER
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$42.95 -
MOOSE RACING Clutch Cylinder Guard - KTM/Husqvarna 13-017
MOOSE RACING
$42.95CNC-machined aluminum is black anodized and contrast cut for stylish, functional protection, Specialized applications guard hydraulic clutch cylinders and feature knockdown bars to keep your chain in check, Mounting hardware included, Made in the U.S.A.09500807- SKU:
- 09500807
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- TYPE:
- SLAVE CYLINDER
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- CASE SAVER
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$42.95 -
MOOSE RACING Case Saver - Yamaha 0950-0812
MOOSE RACING
$38.95Sturdy 6061 CNC-machined aluminum pieces help to prevent engine case damage, Better looking and more sturdy than OEM plastic guards, Engraved logo, Mounting hardware included, Made in the U.S.A.09500812- SKU:
- 09500812
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- BASE COLOR:
- SILVER
- MATERIAL:
- 6061 ALUMINUM
- PRODUCT NAME:
- CASE SAVER
- TYPE:
- ENGINE
- COLOR/FINISH:
- ALUMINUM
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
$38.95 -
MOOSE RACING Case Saver - KX450F 0950-0518
MOOSE RACING
$27.95Sturdy 6061 CNC-machined aluminum pieces help to prevent engine case damage, Better looking and more sturdy than OEM plastic guards, Engraved logo, Mounting hardware included, Made in the U.S.A.09500518- SKU:
- 09500518
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- MATERIAL:
- 6061 ALUMINUM
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- PRODUCT NAME:
- CASE SAVER
- TYPE:
- ENGINE
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- ALUMINUM
$27.95 -
MOOSE RACING Clutch Cylinder Guard - Beta 13-400
MOOSE RACING
$42.95CNC-machined aluminum is black anodized and contrast cut for stylish, functional protection, Specialized applications guard hydraulic clutch cylinders and feature knockdown bars to keep your chain in check, Mounting hardware included, Made in the U.S.A.09500606- SKU:
- 09500606
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- CASE SAVER
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- TYPE:
- SLAVE CYLINDER
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
$42.95 -
MOOSE RACING Clutch Cylinder Guard - KTM 13-016
MOOSE RACING
$42.95CNC-machined aluminum is black anodized and contrast cut for stylish, functional protection, Specialized applications guard hydraulic clutch cylinders and feature knockdown bars to keep your chain in check, Mounting hardware included, Made in the U.S.A.09500758- SKU:
- 09500758
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- TYPE:
- SLAVE CYLINDER
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- CASE SAVER
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$42.95 -
MOOSE RACING Clutch Cover Gasket 817486
MOOSE RACING
$9.78Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as each set is designed for durability and...M817486- SKU:
- M817486
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- TYPE:
- CLUTCH COVER
- UNITS:
- EACH
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
$9.78Qty in Cart: 0Quantity:Price:$9.78Subtotal: -
MOOSE RACING Clutch Cover Gasket 817489
MOOSE RACING
$6.09Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as each set is designed for durability and...M817489- SKU:
- M817489
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- TYPE:
- CLUTCH COVER
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$6.09 -
MOOSE RACING Clutch Cover Gasket 817496
MOOSE RACING
$11.03Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as each set is designed for durability and...M817496- SKU:
- M817496
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- TYPE:
- CLUTCH COVER
- UNITS:
- EACH
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
$11.03 -
MOOSE RACING Ignition Cover Gasket 817504
MOOSE RACING
$6.51Moose 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 genuine OEM replacement seals, These...M817504- SKU:
- M817504
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- IGNITION COVER
- UNITS:
- EACH
$6.51 -
MOOSE RACING Clutch Cover Gasket 817507
MOOSE RACING
$6.38Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as each set is designed for durability and...M817507- SKU:
- M817507
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH COVER
- UNITS:
- EACH
$6.38 -
MOOSE RACING Motor Gasket Kit with Seal - KTM 250SX/EXC 811300
MOOSE RACING
$85.43Moose 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 genuine OEM replacement seals, Sets include...09340104- SKU:
- 09340104
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
- TYPE:
- ENGINE
- PRODUCT NAME:
- GASKET
$85.43 -
MOOSE RACING Motor Gasket Kit with Seal - KTM 65SX 811302
MOOSE RACING
$85.21Moose 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 genuine OEM replacement seals, Sets include...09340106- SKU:
- 09340106
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- TYPE:
- ENGINE
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
$85.21Qty in Cart: 0Quantity:Price:$85.21Subtotal: -
MOOSE RACING Motor Gasket Kit with Seal - KTM 125SX/EXC 811303
MOOSE RACING
$85.43Moose 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 genuine OEM replacement seals, Sets include...09340107- SKU:
- 09340107
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
- TYPE:
- ENGINE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
$85.43 -
MOOSE RACING Motor Seals - YZ125 822172
MOOSE RACING
$31.27Moose 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...M822172- SKU:
- M822172
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- ENGINE
- UNITS:
- SET
- TYPE:
- OIL
$31.27 -
MOOSE RACING Motor Seals - YZ85 822173
MOOSE RACING
$24.24Moose 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...M822173- SKU:
- M822173
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- ENGINE
- TYPE:
- OIL
- UNITS:
- SET
$24.24 -
MOOSE RACING Motor Seals - YZ/WR 250F 822175
MOOSE RACING
$30.65Moose 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...M822175- SKU:
- M822175
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- ENGINE
- TYPE:
- OIL
- PRODUCT NAME:
- SEAL
- UNITS:
- SET
$30.65 -
MOOSE RACING Motor Gasket Kit with Seal - KTM200SX 811308
MOOSE RACING
$93.40Moose 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 genuine OEM replacement seals, Sets include...09340111- SKU:
- 09340111
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
- TYPE:
- ENGINE
- PRODUCT NAME:
- GASKET
$93.40 -
MOOSE RACING Motor Gasket Kit with Seal - KTM125SX/EXC 811309
MOOSE RACING
$98.29Moose 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 genuine OEM replacement seals, Sets include...09340112- SKU:
- 09340112
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET
- TYPE:
- ENGINE
$98.29 -
MOOSE RACING Motor Gasket Kit with Seal - KLR/DRZ110 811415
MOOSE RACING
$86.52Moose 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 genuine OEM replacement seals, Sets include...09340113- SKU:
- 09340113
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
- TYPE:
- ENGINE
$86.52
