Dirt Bike Engine
Explore our selection for dirt bike parts for adding horsepower or reliability to a dirt bike's engine. We feature engine parts from Wiseco, Vertex, and more common engine part manufacturers. Get new pistons and gasket kits for re-freshening engines to withstand any conditions you put your bike through!
- Dirt Bike Cams and Parts
- Dirt Bike Connecting Rods and Parts
- Dirt Bike Crankcases and Parts
- Dirt Bike Crankshafts and Parts
- Dirt Bike Cylinder Heads and Parts
- Dirt Bike Cylinders and Parts
- Dirt Bike Engine Bearings
- Dirt Bike Engine Covers
- Dirt Bike Engine Gaskets and Kits
- Dirt Bike Engine Rebuild Kits
- Dirt Bike Engine Seals - Orings and Kits
- Dirt Bike Engine Valves and Parts
- Dirt Bike Flywheel and Rod Assemblies
- Dirt Bike Fuel Filters
- Dirt Bike Miscellaneous Engine Parts
- Dirt Bike Oil Coolers
- Dirt Bike Oil Filters
- Dirt Bike Oil Lines
- Dirt Bike Oil Pumps
- Dirt Bike Piston and Ring Kits
- Dirt Bike Piston Rings Only
- Dirt Bike Wrist Pins and Circlips
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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CYLINDER WORKS Cylinder Kit - Standard Bore 30012-K02
CYLINDER WORKS
MSRP: $577.95Now: $530.96Was: $589.95CYLINDER WORKS Cylinder Kit Standard Bore 30012-K02Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and...9310727- SKU:
- 9310727
- Availability:
- Ships Same Business Day
- Weight:
- 3.25 LBS
- BORE SIZE METRIC:
- 77.00 MM
- STYLE:
- STANDARD
- ENGINE TYPE:
- 4-CYCLE
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- RIDING STYLE:
- OFF-ROAD
- COMPRESSION RATIO IMPERIAL:
- 13.4:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 77,00 MM
- PRODUCT NAME:
- CYLINDER KIT
- UNITS:
- KIT
MSRP: $577.95Now: $530.96Was: $589.95 -
CYLINDER WORKS Cylinder Kit 30012-K02HC
CYLINDER WORKS
MSRP: $633.95Now: $582.26Was: $646.95CYLINDER WORKS Cylinder Kit 30012-K02HCReady-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine...9310729- SKU:
- 9310729
- Availability:
- Ships Same Business Day
- Weight:
- 3.25 LBS
- CYLINDER DIAMETER:
- 77,00 MM
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- STYLE:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 77.00 MM
- COMPRESSION RATIO IMPERIAL:
- 14.3:1
MSRP: $633.95Now: $582.26Was: $646.95 -
CYLINDER WORKS Big Bore Gasket Kit 12001-G01
CYLINDER WORKS
MSRP: $85.95Now: $77.36Was: $85.95Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noise, Nickel Silicon Carbide plated for...9341698- SKU:
- 9341698
- Weight:
- 2.00 LBS
MSRP: $85.95Now: $77.36Was: $85.95Qty in Cart: 0Quantity:Price:MSRP: $85.95Now: $77.36Was: $85.95Subtotal: -
CYLINDER WORKS Big Bore Gasket Kit 21003-G01
CYLINDER WORKS
MSRP: $91.95Now: $84.56Was: $93.95CYLINDER WORKS Big Bore Gasket Kit 21003-G01Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced...9341699- SKU:
- 9341699
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- STYLE:
- BIG BORE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- OVERSIZED (+3.00 MM)
- MATERIAL:
- NICKEL SILICON CARBIDE
MSRP: $91.95Now: $84.56Was: $93.95 -
MOOSE RACING Case Saver CR125R 01-161
MOOSE RACING
$23.95MOOSE RACING Case Saver CR125R 01-161Sturdy 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.9500014- SKU:
- 9500014
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- ALUMINUM
- UNITS:
- EACH
- MATERIAL:
- 6061 ALUMINUM
- BASE COLOR:
- SILVER
- PRODUCT NAME:
- CASE SAVER
- TYPE:
- ENGINE
$23.95Qty in Cart: 0Quantity:Price:$23.95Subtotal: -
MOOSE RACING Motor Gasket Kit with Seal - CR250 811257
MOOSE RACING
$72.95MOOSE RACING Motor Gasket Kit with Seal CR250 811257Moose 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...M811257- SKU:
- M811257
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- THICKNESS IMPERIAL:
- 0,040'
- THICKNESS METRIC:
- 1.02 MM
- TYPE:
- ENGINE
$72.95 -
MOOSE RACING Engine Oil Seal Kit - Honda 822220
MOOSE RACING
$30.71MOOSE RACING Engine Oil Seal Kit Honda 822220Includes every seal in a engine including crank shaft seals, Does not include valve stem seal, Made in the USA9351021- SKU:
- 9351021
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- SEAL KIT
- UNITS:
- KIT
- APPLICATION:
- ENGINE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- OIL
$30.71 -
MOOSE RACING Engine Oil Seal Kit - Yamaha 822308
MOOSE RACING
$29.69MOOSE RACING Engine Oil Seal Kit Yamaha 822308Includes every seal in a engine including crank shaft seals, Does not include valve stem seal, Made in the USA9351022- SKU:
- 9351022
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- OIL
- UNITS:
- KIT
- APPLICATION:
- ENGINE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$29.69 -
MOOSE RACING Engine Oil Seal Kit - Honda 822315
MOOSE RACING
$51.73MOOSE RACING Engine Oil Seal Kit Honda 822315Includes every seal in a engine including crank shaft seals, Does not include valve stem seal, Made in the USA9351023- SKU:
- 9351023
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- ENGINE
- TYPE:
- OIL
$51.73 -
MOOSE RACING Engine Oil Seal Kit - Honda 822331
MOOSE RACING
$12.73MOOSE RACING Engine Oil Seal Kit Honda 822331Includes every seal in a engine including crank shaft seals, Does not include valve stem seal, Made in the USA9351024- SKU:
- 9351024
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- ENGINE
- TYPE:
- OIL
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$12.73 -
MOOSE RACING Motor Gasket Kit with Seal - RM250 811580
MOOSE RACING
$84.95MOOSE RACING Motor Gasket Kit with Seal RM250 811580Moose 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...M811580- SKU:
- M811580
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TYPE:
- ENGINE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
$84.95 -
MOOSE RACING Motor Gasket Kit with Seal - RM250 811581
MOOSE RACING
$84.95MOOSE RACING Motor Gasket Kit with Seal RM250 811581Moose 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...M811581- SKU:
- M811581
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- TYPE:
- ENGINE
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
$84.95 -
MOOSE RACING Motor Gasket Kit with Seal - RM250 811583
MOOSE RACING
$98.95MOOSE RACING Motor Gasket Kit with Seal RM250 811583Moose 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...M811583- SKU:
- M811583
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- PRODUCT NAME:
- GASKET
- TYPE:
- ENGINE
- UNITS:
- KIT
$98.95Qty in Cart: 0Quantity:Price:$98.95Subtotal: -
MOOSE RACING Motor Gasket Kit with Seal - RM250 811587
MOOSE RACING
$97.14MOOSE RACING Motor Gasket Kit with Seal RM250 811587Moose 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...M811587- SKU:
- M811587
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- TYPE:
- ENGINE
$97.14Qty in Cart: 0Quantity:Price:$97.14Subtotal: -
MOOSE RACING Motor Gasket Kit with Seal - YZ80 811613
MOOSE RACING
$50.97MOOSE RACING Motor Gasket Kit with Seal YZ80 811613Moose 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...M811613- SKU:
- M811613
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- TYPE:
- ENGINE
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
$50.97 -
MOOSE RACING Inner Clutch Cover Gasket 816319
MOOSE RACING
$38.72MOOSE RACING Inner Clutch Cover Gasket 816319Moose 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...9346153- SKU:
- 9346153
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH COVER
$38.72 -
MOOSE RACING Ignition Cover Gasket 816510
MOOSE RACING
$6.12MOOSE RACING Ignition Cover Gasket 816510Made in the U.S.A.9346154- SKU:
- 9346154
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- IGNITION COVER
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET
- UNITS:
- EACH
$6.12 -
MOOSE RACING Ignition Cover Gasket 816517
MOOSE RACING
$5.00MOOSE RACING Ignition Cover Gasket 816517Made in the U.S.A.9346155- SKU:
- 9346155
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- IGNITION COVER
- PRODUCT NAME:
- GASKET
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
$5.00 -
MOOSE RACING Ignition Cover Gasket 816532
MOOSE RACING
$8.69MOOSE RACING Ignition Cover Gasket 816532Made in the U.S.A.9346156- SKU:
- 9346156
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- IGNITION COVER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- GASKET
$8.69 -
MOOSE RACING Motor Gasket Kit with Seal - Yamaha 811994
MOOSE RACING
$164.20MOOSE RACING Motor Gasket Kit with Seal Yamaha 811994Moose 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...9345999- SKU:
- 9345999
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- ENGINE TYPE:
- 4-STROKE
- TYPE:
- COMPLETE
- TYPE:
- ENGINE
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$164.20