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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Pro Filter 1999-2006 KTM 640 Duke II Oil Filter PF-156
PRO FILTER
$12.99Keep your KTM 640 Duke II running at peak efficiency with an oil filter engineered to exceed OEM specifications. The PRO FILTER PF-156 delivers superior particulate capture and consistent flow rates, protecting your engine during both street and track...07120589- SKU:
- 07120589
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- FILTER MEDIA MATERIAL:
- PAPER
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- STYLE:
- PREMIUM
$12.99 -
Pro Filter 2002-2007 Husqvarna TE250 TE450 TE510 Oil Filter PF-154
PRO FILTER
$6.99Keep your TE250, TE450, or TE510 running at peak efficiency with the PRO FILTER PF-154, engineered to exceed OEM specifications and deliver superior engine protection. This replacement filter uses advanced micro-pore filtration to remove contaminants...07120588- SKU:
- 07120588
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- OFF-ROAD
- BASE FINISH:
- CHROME
- STYLE:
- PREMIUM
- COLOR/FINISH:
- CHROME
- FILTER MEDIA MATERIAL:
- PAPER
- UNITS:
- EACH
$6.99 -
Pro Filter Replacement Oil Filter 2001-2005 Bombardier DS650 PF-151
PRO FILTER
$6.99Keep your DS650's engine running clean and protected with the PRO FILTER Replacement Oil Filter PF-151. Factory-equivalent filtration paired with high-flow design prevents harmful contaminants from circulating through critical engine components,...07120585- SKU:
- 07120585
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- OIL FILTER
- STYLE:
- PREMIUM
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- RIDING STYLE:
- UTV
- COLOR/FINISH:
- CHROME
- FILTER MEDIA MATERIAL:
- PAPER
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
$6.99 -
Pro Filter Oil Filter for Yamaha FJR1300 2003-2005 PF-148
PRO FILTER
$13.99Engine longevity depends on clean oil circulating through critical bearing surfaces and passages. The Pro Filter PF-148 delivers advanced micro-pore filtration that captures contaminants without restricting flow, keeping your FJR1300's engine running at...07120584- SKU:
- 07120584
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BASE COLOR:
- BLACK
- STYLE:
- PREMIUM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- PAPER
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- COLOR/FINISH:
- BLACK
$13.99 -
Pro Filter Oil Filter for 2006-2015 Kymco MXU500 and 2007-2009 Yamaha XVS1300 V Star 1300 PF-147
PRO FILTER
$11.99Keep your engine running clean and protected with the PRO FILTER PF-147, a direct-replacement oil filter engineered to exceed OEM specifications for both the Kymco MXU500 and Yamaha V Star 1300. This filter's advanced micro-pore media captures fine...07120583- SKU:
- 07120583
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BASE COLOR:
- BLACK
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- UTV
- FILTER MEDIA MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- STYLE:
- PREMIUM
$11.99 -
Pro Filter Oil Filter for Yamaha YFM700 Grizzly 2018-2020 PF-145
PRO FILTER
$6.99Your Grizzly's engine relies on consistent oil circulation to maintain peak performance, especially during aggressive riding or extended use. The PRO FILTER PF-145 delivers the filtration efficiency your YFM700 needs to protect against wear-causing...07120581- SKU:
- 07120581
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- STYLE:
- PREMIUM
- FILTER MEDIA MATERIAL:
- PAPER
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BASE FINISH:
- CHROME
$6.99 -
Pro Filter Oil Filter for Yamaha BW200 1985-1988 PF-143
PRO FILTER
$8.99Keep your Yamaha BW200's engine running clean and protected with the PRO FILTER PF-143, engineered to capture contaminants more effectively than standard filters while maintaining consistent oil flow. Built with advanced micro-pore filtration technology,...07120579- SKU:
- 07120579
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- STYLE:
- PREMIUM
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- PAPER
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- BASE FINISH:
- CHROME
$8.99 -
Pro Filter PF-142 Oil Filter for Yamaha YZ400F 1998-1999
PRO FILTER
$8.99Keeping your YZ400F's engine properly lubricated is non-negotiable for consistent power delivery and longevity, especially during aggressive riding conditions. The PRO FILTER PF-142 delivers the filtration efficiency and flow characteristics your bike...07120578- SKU:
- 07120578
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ATV
- STYLE:
- PREMIUM
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- RIDING STYLE:
- UTV
- COLOR/FINISH:
- CHROME
- FILTER MEDIA MATERIAL:
- PAPER
$8.99 -
Pro Filter 2004-2007 Honda TRX400FA FourTrax Rancher AT Oil Filter PF-111
PRO FILTER
$6.99Keep your TRX400FA's engine protected with filtration that goes beyond OEM standards. The PRO FILTER PF-111 captures fine contaminants while maintaining unrestricted oil flow, ensuring your Rancher delivers consistent performance whether you're tackling...07120562- SKU:
- 07120562
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- RIDING STYLE:
- STREET
- STYLE:
- PREMIUM
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- PAPER
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- UTV
- BASE FINISH:
- CHROME
- FEATURES:
- COMPLETE CHANGE KIT
$6.99 -
JAGG OIL COOLERS Anti-Rotation Device Adapter 4600AR-C
JAGG OIL COOLERS
$10.95Oil filter service shouldn't mean wrestling with your adapter. The JAGG Anti-Rotation Device Adapter locks your offset filter adapter in place, eliminating unwanted rotation during removal and preventing cross-threading or damage to precision threads...07120557- SKU:
- 07120557
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- PRODUCT NAME:
- ANTI-ROTATION DEVICE
- UNITS:
- EACH
- TYPE:
- OIL FILTER
- RIDING STYLE:
- STREET
$10.95 -
MOOSE RACING Oil Filter - KTM DT-09-53
MOOSE RACING
$5.95Engine oil filters are your first line of defense against particulate contamination and premature wear. A degraded or incorrect filter compromises lubrication efficiency and can lead to costly engine damage over time. The MOOSE RACING Oil Filter...07120227- SKU:
- 07120227
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- STANDARD
- MICRON RATING:
- 10 MICRONS
- FILTER MEDIA MATERIAL:
- PAPER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- CARTRIDGE
- UNITS:
- EACH
$5.95 -
MOOSE RACING Oil Filter - KTM DT-09-52
MOOSE RACING
$5.95A clean oil filter is non-negotiable for engine longevity, and the MOOSE RACING Oil Filter (KTM DT-09-52) delivers the filtration reliability your machine demands. This OEM-equivalent replacement removes contaminants down to 10 microns, protecting...07120226- SKU:
- 07120226
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- CARTRIDGE
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- PAPER
- MICRON RATING:
- 10 MICRONS
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- STANDARD
$5.95 -
WSM Oil Injection Block Off Plate 650/750 011-205
WSM
$14.34If you're running a carbureted or naturally aspirated engine on your 650 or 750cc machine, blocking off the factory oil injection system eliminates unnecessary complexity and weight while freeing up valuable real estate in your engine bay. This billet...011205- SKU:
- 011205
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- BLACK
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- WATERCRAFT
- PRODUCT NAME:
- ELIMINATION KIT
- TYPE:
- OIL INJECTION
- UNITS:
- KIT
$14.34 -
WSM Motor Mount - K900/1100 011-103
WSM
$45.57Worn or broken motor mounts compromise engine stability, increase vibration transfer to the chassis, and can accelerate damage to surrounding components. The WSM Motor Mount (011-103) restores proper engine positioning and isolation, protecting your...011103- SKU:
- 011103
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- ENGINE
- PRODUCT NAME:
- MOUNT
- UNITS:
- EACH
$45.57 -
WSM Piston Kit - K1100 - Standard 010-821PK
WSM
$98.28When you're building or rebuilding an engine, piston quality directly impacts power output, reliability, and longevity. The WSM K1100 Piston Kit delivers OEM-equivalent construction with engineering enhancements—specifically, a MOS2 coating that actively...010821P- SKU:
- 010821P
- Availability:
- Ships Same Business Day
- Weight:
- 1.12 LBS
- BORE SIZE METRIC:
- 80.00 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- WATERCRAFT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM
- UNITS:
- KIT
- MODEL:
- PLATINUM
$98.28 -
PARTS UNLIMITED Oil Filter 1UY-13440-00
PARTS UNLIMITED
$14.23Engine longevity depends on consistent, effective oil filtration—and settling for mediocre filtration media directly compromises your engine's protection and performance. The PARTS UNLIMITED Pro Series filter combines German-grade paper, English adhesive...010032- SKU:
- 010032
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BASE COLOR:
- SILVER
- FILTER MEDIA MATERIAL:
- PAPER
- COLOR/FINISH:
- SILVER
- TYPE:
- CARTRIDGE
- PRODUCT NAME:
- OIL FILTER
- STYLE:
- STANDARD
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$14.23 -
PARTS UNLIMITED Oil Filter 16510-25000
PARTS UNLIMITED
$7.09A quality oil filter is the first line of defense against engine wear and contamination. The PARTS UNLIMITED Pro Series combines premium materials from three continents—German filtration paper, English adhesive compounds, and Japanese zinc-steel...010031- SKU:
- 010031
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- TYPE:
- CARTRIDGE
- BASE COLOR:
- YELLOW
- FILTER MEDIA MATERIAL:
- PAPER
- UNITS:
- EACH
- PRODUCT NAME:
- OIL FILTER
- STYLE:
- STANDARD
- COLOR/FINISH:
- YELLOW
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
$7.09 -
PARTS UNLIMITED Oil Filter 010030
PARTS UNLIMITED
$8.11A quality oil filter is your engine's first line of defense against contaminants and premature wear. The PARTS UNLIMITED Oil Filter 010030 uses premium materials—German filter paper, English adhesives, and Japanese zinc steel—that meet or exceed OEM...010030- SKU:
- 010030
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BASE COLOR:
- YELLOW
- FILTER MEDIA MATERIAL:
- PAPER
- TYPE:
- CARTRIDGE
- COLOR/FINISH:
- YELLOW
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- OIL FILTER
- STYLE:
- STANDARD
$8.11 -
PARTS UNLIMITED Oil Filter 15412-KF0-000
PARTS UNLIMITED
$7.09A quality oil filter is your engine's first line of defense against particulate contamination and premature wear. The PARTS UNLIMITED Pro Series filter combines OEM-equivalent performance with premium materials sourced globally—German filtration paper,...010021- SKU:
- 010021
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COLOR/FINISH:
- YELLOW
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- STYLE:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARTRIDGE
- BASE COLOR:
- YELLOW
- FILTER MEDIA MATERIAL:
- PAPER
$7.09 -
PARTS UNLIMITED Oil Filter 16510-05240
PARTS UNLIMITED
$7.09An oil filter is only as good as the materials that comprise it—and this PARTS UNLIMITED Pro Series filter uses German filtration paper, English adhesives, and Japanese zinc steel to deliver consistent protection across extended service intervals...010018- SKU:
- 010018
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BASE COLOR:
- YELLOW
- FILTER MEDIA MATERIAL:
- PAPER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARTRIDGE
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- UTV
- STYLE:
- STANDARD
- COLOR/FINISH:
- YELLOW
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$7.09
