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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ACERBIS X-Power Cover Kit - White - KTM/Husqvarna 2731970002
ACERBIS
$63.95Protect your engine from track debris and impacts without compromising airflow or serviceability. The ACERBIS X-Power Cover Kit combines durable construction with direct bolt-on installation using your existing hardware—no fabrication required. This is...09401762- SKU:
- 09401762
- Availability:
- Ships Same Business Day
- Weight:
- 1.41 LBS
- COLOR/FINISH:
- WHITE
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- COVER
- TYPE:
- ENGINE
- MODEL:
- X-POWER
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$63.95 -
ACERBIS X-Power Cover Kit - Orange - KTM/Husqvarna 2645515226
ACERBIS
$69.95If you're riding hard on the trails or track, your engine cases take a beating from flying rocks, roost, and impact damage that can lead to costly repairs. The ACERBIS X-Power Cover Kit shields your crankcase and ignition/clutch cover with durable,...09401763- SKU:
- 09401763
- Availability:
- Ships Same Business Day
- Weight:
- 1.51 LBS
- COLOR/FINISH:
- ORANGE
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- PLASTIC
- MODEL:
- X-POWER
- RIDING STYLE:
- STREET
- TYPE:
- ENGINE
$69.95 -
ACERBIS X-Power Cover Kit - White - KTM/Husqvarna 2645510002
ACERBIS
$67.95Protect your engine's critical components from the punishment of trail riding and racing. The ACERBIS X-Power Cover Kit shields your crankcase and ignition/clutch cover from flying debris, mud, and impacts that can compromise durability and performance...09401765- SKU:
- 09401765
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COLOR/FINISH:
- WHITE
- MODEL:
- X-POWER
- RIDING STYLE:
- STREET
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- COVER
- TYPE:
- ENGINE
$67.95Qty in Cart: 0Quantity:Price:$67.95Subtotal: -
K & N Oil Filter KN-655
K & N
$11.99If you're running synthetic or synthetic blended oils in your high-performance engine, your stock oil filter simply won't keep pace. The K&N KN-655 is engineered with synthetic media that handles the higher flow rates and demanding conditions of racing...07120119- SKU:
- 07120119
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- BASE COLOR:
- YELLOW
- BASE FINISH:
- NATURAL
- FILTER MEDIA MATERIAL:
- SYNTHETIC
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STYLE:
- STANDARD
- TYPE:
- CARTRIDGE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- YELLOW
- LENGTH METRIC:
- 69 MM
$11.99 -
K & N Oil Filter KN-611
K & N
$11.99Synthetic racing oils demand a filter engineered to match their performance capabilities—and the K&N KN-611 delivers exactly that. Built with synthetic media specifically formulated to handle the higher flow rates and chemical concentrations of modern...07120388- SKU:
- 07120388
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- BASE FINISH:
- NATURAL
- LENGTH METRIC:
- 88 MM
- STYLE:
- STANDARD
- BASE COLOR:
- RED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- OIL FILTER
- COLOR/FINISH:
- RED
- FILTER MEDIA MATERIAL:
- SYNTHETIC
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- CARTRIDGE
$11.99 -
K & N Oil Filter KN-183
K & N
$16.99If you're running synthetic or synthetic-blend oils in your high-performance engine, you need a filter built to handle them—and that's exactly what the K&N KN-183 delivers. The synthetic media construction provides the flow rates your engine demands...07120500- SKU:
- 07120500
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- BASE COLOR:
- BLACK
- BASE FINISH:
- COATED
- STYLE:
- PREMIUM
- LENGTH METRIC:
- 78 MM
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- STREET
- TYPE:
- SPIN-ON
- COLOR/FINISH:
- BLACK
- FEATURES:
- INCLUDES NUT
- FILTER MEDIA MATERIAL:
- SYNTHETIC
- UNITS:
- EACH
$16.99 -
MOOSE RACING Complete Gasket Kit with Oil Seal - KX 811417
MOOSE RACING
$73.14A complete engine and transmission rebuild requires precision gaskets and seals that won't compromise your work or your wallet. This MOOSE RACING kit delivers OEM-quality components at a fraction of dealership pricing, giving you the confidence to tackle...09340875- SKU:
- 09340875
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
- TYPE:
- ENGINE
$73.14 -
MOOSE RACING Complete Gasket and Oil Seal Kit 811337
MOOSE RACING
$107.09A complete engine and transmission rebuild requires precision-fit gaskets and seals that won't compromise your work or reliability. The MOOSE RACING Complete Gasket and Oil Seal Kit eliminates the hassle of sourcing individual components while delivering...09341905- SKU:
- 09341905
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- TYPE:
- ENGINE
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
$107.09 -
PARTS UNLIMITED Oil Filter T14-4017
PARTS UNLIMITED
$7.09Engine protection starts with filtration—and the PARTS UNLIMITED Oil Filter T14-4017 delivers the reliability your engine demands. Built with premium German filter media, English adhesive formulations, and Japanese zinc-steel construction, this Pro...07120532- SKU:
- 07120532
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- BASE COLOR:
- ORANGE
- STYLE:
- STANDARD
- FILTER MEDIA MATERIAL:
- PAPER
- PRODUCT NAME:
- OIL FILTER
- COLOR/FINISH:
- ORANGE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- CARTRIDGE
- UNITS:
- EACH
$7.09 -
PC RACING Oil Filter PC116
PC RACING
$39.95Engine protection starts with filtration. The PC Racing PC116 oil filter uses medical-grade stainless steel to deliver reliable 35-micron filtration across the full operating spectrum—from subzero cold starts to extreme heat. This reusable filter...07120124- SKU:
- 07120124
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- POLISHED
- MICRON RATING:
- 35 MICRONS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- TYPE:
- CARTRIDGE
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- MICRONIC FILTER CLOTH
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- STANDARD
- BASE COLOR:
- SILVER
- FEATURES:
- REUSABLE
- PRODUCT NAME:
- OIL FILTER
- BASE FINISH:
- POLISHED
- MODEL:
- FLO
- RIDING STYLE:
- OFF-ROAD
$39.95 -
PC RACING Oil Filter PC112
PC RACING
$39.95Engine protection starts with what your oil filter can actually do. The PC Racing PC112 delivers consistent filtration across the harshest conditions—cold starts, water contamination, and sustained high temperatures—without sacrificing flow rate. Built...07120126- SKU:
- 07120126
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- SILVER
- FEATURES:
- REUSABLE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- MICRONIC FILTER CLOTH
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- POLISHED
- MICRON RATING:
- 35 MICRONS
- BASE FINISH:
- POLISHED
- MODEL:
- FLO
- STYLE:
- STANDARD
- TYPE:
- CARTRIDGE
$39.95 -
PC RACING Oil Filter PC207
PC RACING
$39.95Engine longevity depends on clean oil, and the PC207 delivers filtration precision that standard disposable filters simply can't match. By trapping contaminants down to 35 microns while maintaining consistent flow—even during cold starts and extreme heat...07120127- SKU:
- 07120127
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE FINISH:
- POLISHED
- COLOR/FINISH:
- POLISHED
- MODEL:
- FLO
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- SILVER
- FEATURES:
- REUSABLE
- MATERIAL:
- STAINLESS STEEL
- MICRON RATING:
- 35 MICRONS
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- MICRONIC FILTER CLOTH
- PRODUCT NAME:
- OIL FILTER
- STYLE:
- STANDARD
- TYPE:
- CARTRIDGE
$39.95 -
PINGEL Red Oil Fill Cap - RM/RMX 62300
PINGEL
$33.95Stock oil fill caps are prone to cracking and leaking under vibration and thermal cycling—especially on high-performance engines. The PINGEL Red Oil Fill Cap replaces that weak point with a billet aluminum design that won't fail, while the knurled grip...P62300- SKU:
- P62300
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- RED
- MATERIAL:
- BILLET ALUMINUM
- UNITS:
- EACH
- PRODUCT NAME:
- CAP
- TYPE:
- OIL FILLER
- COLOR/FINISH:
- RED
$33.95Qty in Cart: 0Quantity:Price:$33.95Subtotal: -
Pro Filter Billet Aluminum Oil Filter Cover for 2014-2024 Husqvarna FC250 BCA-5002-00
PRO FILTER
$39.99Your engine's oil flow directly impacts both performance and longevity, and a poorly designed cover can create unnecessary restrictions. This Pro Filter oil filter cover eliminates that bottleneck with optimized internal geometry and precision CNC...07120638- SKU:
- 07120638
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK ANODIZED
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- TYPE:
- OIL FILTER
$39.99 -
Pro Filter Oil Filter for 2003-2005 KTM 250 EXC PF-155
PRO FILTER
$6.99Your 2003-2005 KTM 250 EXC demands filtration that matches its performance capabilities. The Pro Filter PF-155 delivers OEM-exceeding protection with advanced micro-pore technology that captures more contaminants while maintaining optimal oil...07120242- SKU:
- 07120242
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- YELLOW
- BASE COLOR:
- YELLOW
- STYLE:
- LONG
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- PAPER
$6.99 -
Pro Filter Replacement Oil Filter for Kawasaki KX250 2004-2024 Suzuki RM-Z250 2004-2024 Suzuki RM-Z450 2005-2024 Suzuki RMX450Z 2017-2018 PF-207
PRO FILTER
$6.99Your dirt bike engine depends on clean oil to maintain peak performance and longevity—a compromised oil filter can allow contaminants to circulate through critical components, accelerating wear and reducing power output. The PRO FILTER PF-207 uses...07120243- SKU:
- 07120243
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- STYLE:
- STANDARD
- BASE COLOR:
- YELLOW
- FILTER MEDIA MATERIAL:
- PAPER
- PRODUCT NAME:
- OIL FILTER
- COLOR/FINISH:
- YELLOW
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$6.99 -
Pro Filter Replacement Oil Filter Yamaha WR250F 2003-2021 PF-141
PRO FILTER
$6.99Keep your WR250F's engine running at peak efficiency with the PRO FILTER Replacement Oil Filter PF-141. Factory-equivalent filtration combined with advanced micro-pore technology ensures consistent oil flow and superior contaminant removal, whether...07120244- SKU:
- 07120244
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- FILTER MEDIA MATERIAL:
- PAPER
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BASE COLOR:
- YELLOW
- COLOR/FINISH:
- YELLOW
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- STYLE:
- STANDARD
$6.99 -
Pro Filter 2021-2022 Gas Gas EX 350F Oil Filter PF-652
PRO FILTER
$7.99Contaminated oil accelerates engine wear and reduces performance—the Pro Filter 2021-2022 Gas Gas EX 350F (PF-652) uses advanced micro-pore filtration to capture dirt and debris before they reach critical engine components. Built to exceed OEM...07120246- SKU:
- 07120246
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- COLOR/FINISH:
- YELLOW
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- PAPER
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- STYLE:
- STANDARD
$7.99 -
Pro Filter Premium Oil Filter for 2014 Husqvarna FE350 PF-655
PRO FILTER
$8.99A quality oil filter is non-negotiable for engine longevity, especially when running high-demand applications like dirt bikes. The PRO FILTER PF-655 delivers OEM-matching performance with advanced micro-pore filtration that captures contaminants without...07120247- SKU:
- 07120247
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- YELLOW
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- UNITS:
- EACH
- STYLE:
- STANDARD
- FILTER MEDIA MATERIAL:
- PAPER
$8.99 -
Pro Filter Sea-Doo GTI 130 2006-2012 Replacement Oil Filter PF-556
PRO FILTER
$10.99Maintaining proper engine oil filtration is critical to extending engine life and preserving performance on your Sea-Doo GTI 130. The PRO FILTER PF-556 delivers superior contaminant removal and consistent flow rates that exceed OEM standards, ensuring...07120614- SKU:
- 07120614
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- CHROME
- FILTER MEDIA MATERIAL:
- PAPER
- RIDING STYLE:
- WATERCRAFT
- STYLE:
- PREMIUM
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- OIL FILTER
$10.99
