Dirt Bike Engine Bearings
Dirt Bike Engine Bearings & Crank Bearing Kits for Yamaha, Honda & Beta at JJ Motorsports
Rebuild your dirt bike's bottom end with premium crankshaft bearings, needle bearings, and complete seal kits from JJ Motorsports — precision-engineered for perfect fit, reduced friction, and extreme durability in motocross, enduro, and trail riding. Our selection includes high-quality main bearings, crank bearing/seal kits, and needle bearings designed to handle high RPM, high heat, and heavy loads while restoring smooth, quiet operation. Compatible with top models like Yamaha YZ/WR, Honda CRF/CR, Beta RR, and more, these components from trusted brands deliver OEM or better performance with upgraded materials that outlast stock bearings in dusty, abusive conditions. Whether you're splitting the cases for a full rebuild or just replacing worn mains, these kits give you everything — bearings, seals, and gaskets — for factory-fresh feel and championship-level reliability.
At JJ Motorsports, we stock the best dirt bike engine bearings and crank kits from Moose Racing, Shindy, and Vintco with fast shipping and expert support. Free shipping over $99!
Top Dirt Bike Engine Bearings & Kits
- Shindy Needle Bearing 16 mm x 21 mm x 23 mm Yamaha 10-301 – High-quality needle bearing for Yamaha models; exact OEM spec for shock linkage and swingarm applications.
- Moose Offroad Crank Bearing & Seal Kit Beta 24-1128 – Complete crank bearing and seal kit for Beta RR models; includes both sides for full bottom-end refresh.
- Vintco Main Bearing and Seal Kit Honda KMB034 – Premium main bearing and crank seal kit for vintage Honda models; perfect for classic CR and XR restoration with modern durability.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping over $99! Questions? Contact us for fitment advice!
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- Qty in Cart
- Quantity
- Price
- Subtotal
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HOT RODS Main Bearing Seal Kit - Can-Am HR00101
HOT RODS
$60.95Main Bearing Seal Kit - Can-Am Precision, high-quality main bearing and seal kit complement installation of Hot Rods crankshaft assemblies, Kit contains two main bearings and two seals, unless noted09240639- SKU:
- 09240639
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
$60.95 -
HOT RODS Main Bearing Seal Kit - Can-Am HR00102
HOT RODS
$176.95Main Bearing Seal Kit - HR00102 Designed specifically for Can-Am vehicles Includes two high-performance main bearings Contains two durable seals for optimal protection Perfectly complements Hot Rods crankshaft assemblies Engineered...09240640- SKU:
- 09240640
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$176.95 -
HOT RODS Plain Bearing Crankshaft - Can-Am HR00103
HOT RODS
$57.95Plain Bearing Crankshaft - HR00103 Compatible with Can-Am models for seamless integration. Constructed from high-quality materials for durability and longevity. Designed to meet or exceed OEM specifications for reliable performance. ...09240641- SKU:
- 09240641
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$57.95 -
HOT RODS Plain Bearing Crankshaft - Can-Am HR00104
HOT RODS
$57.95Plain Bearing Crankshaft - HR00104 Designed specifically for Can-Am vehicles High-quality OEM replacement for durability and reliability Includes complete main bearing and seal kits Meets or exceeds original equipment standards ...09240642- SKU:
- 09240642
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$57.95 -
HOT RODS Crankshaft Bearings - Honda K073
HOT RODS
$77.95Crankshaft Bearings - Honda Precision, high-quality main bearing and seal kit complement installation of Hot Rods crankshaft assemblies, Kit contains two main bearings and two seals, unless noted09240248- SKU:
- 09240248
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
$77.95 -
SHINDY Needle Bearing - 16 mm x 21 mm x 23 mm - Yamaha 10-301
SHINDY
$11.50Needle Bearing - 16 mm x 21 mm x 23 mm - Yamaha Piston pin needle cage bearings are manufactured from precision bearings and high-quality housing material, Each bearing is packaged in an individual box for easy identificationNB1455- SKU:
- NB1455
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$11.50 -
Wossner Universal Small End Bearing 16 mm x 20 mm x 19.5 mm N1013
WOSSNER
$18.50Introducing the Top End Bearing, a premium universal needle bearing designed for exceptional performance and durability. Engineered with precision from high-quality materials, this bearing ensures smooth operation and reliability in various applications...09240452- SKU:
- 09240452
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$18.50 -
MOOSE OFFROAD Crank Bearing/Seal Kit - Beta 24-1122
MOOSE OFFROAD
$59.95Crank Bearing/Seal Kit - Beta Precision crank bearings, Kits contain right and left crankshaft bearings; 2-stroke kits contain outer seals, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines, 4-stroke crank bearings...09240643- SKU:
- 09240643
- Availability:
- Ships Same Business Day
- Weight:
- 1.01 LBS
$59.95 -
MOOSE OFFROAD Crank Bearing/Seal Kit - Beta 24-1123
MOOSE OFFROAD
$33.95Crank Bearing/Seal Kit - Beta Precision crank bearings, Kits contain right and left crankshaft bearings; 2-stroke kits contain outer seals, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines, 4-stroke crank bearings...09240644- SKU:
- 09240644
- Availability:
- Ships Same Business Day
- Weight:
- 1.41 LBS
$33.95 -
MOOSE OFFROAD Crank Bearing/Seal Kit - Beta 24-1128
MOOSE OFFROAD
$109.95Crank Bearing/Seal Kit - 24-1128 High-quality precision crank bearings for optimal performance. Includes both right and left crankshaft bearings for complete replacement. 2-stroke kits come with outer seals for enhanced engine protection. ...09240645- SKU:
- 09240645
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$109.95 -
MOOSE OFFROAD Crank Bearing/Seal Kit - Beta 24-1129
MOOSE OFFROAD
$24.95Crank Bearing/Seal Kit - Beta Precision crank bearings, Kits contain right and left crankshaft bearings; 2-stroke kits contain outer seals, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines, 4-stroke crank bearings...09240646- SKU:
- 09240646
- Availability:
- Ships Same Business Day
- Weight:
- 1.12 LBS
$24.95 -
VINTCO Main Bearing and Seal Kit - Honda KMB001
VINTCO
$45.95Main Bearing and Seal Kit - Honda Includes necessary bearings and seals to complete crankshaft installation, Includes premium OEM quality Japanese manufactured bearings09240649- SKU:
- 09240649
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
$45.95 -
VINTCO Main Bearing and Seal Kit - Honda KMB002
VINTCO
$26.95Main Bearing and Seal Kit - KMB002 Comprehensive kit for complete crankshaft installation. Includes high-quality bearings and seals for optimal performance. Manufactured in Japan, ensuring premium OEM quality. Designed specifically for...09240650- SKU:
- 09240650
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
$26.95 -
VINTCO Main Bearing and Seal Kit - Honda KMB003
VINTCO
$34.95Main Bearing and Seal Kit - Honda Includes necessary bearings and seals to complete crankshaft installation, Includes premium OEM quality Japanese manufactured bearings09240651- SKU:
- 09240651
- Availability:
- Ships Same Business Day
- Weight:
- 0.91 LBS
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal: -
VINTCO Main Bearing and Seal Kit - Honda KMB030
VINTCO
$52.95Main Bearing and Seal Kit - KMB030 Complete set for crankshaft installation Includes high-quality bearings and seals Manufactured in Japan for superior performance Designed for durability and reliability Compatible with various Honda...09240652- SKU:
- 09240652
- Availability:
- Ships Same Business Day
- Weight:
- 0.91 LBS
$52.95 -
VINTCO Main Bearing and Seal Kit - Honda KMB004
VINTCO
$47.95Main Bearing and Seal Kit - KMB004 Complete kit for hassle-free crankshaft installation. Includes high-quality bearings and seals for optimal performance. Manufactured in Japan, ensuring premium OEM quality. Designed specifically for...09240653- SKU:
- 09240653
- Availability:
- Ships Same Business Day
- Weight:
- 1.81 LBS
$47.95 -
VINTCO Main Bearing and Seal Kit - Honda KMB005
VINTCO
$47.95Main Bearing and Seal Kit - Honda Includes necessary bearings and seals to complete crankshaft installation, Includes premium OEM quality Japanese manufactured bearings09240654- SKU:
- 09240654
- Availability:
- Ships Same Business Day
- Weight:
- 1.46 LBS
$47.95 -
VINTCO Main Bearing and Seal Kit - Honda KMB006
VINTCO
$45.95Main Bearing and Seal Kit - KMB006 Complete kit for crankshaft installation. Includes high-quality bearings and seals. Manufactured in Japan for superior performance. Designed specifically for Honda vehicles. Ensures optimal engine...09240655- SKU:
- 09240655
- Availability:
- Ships Same Business Day
- Weight:
- 1.46 LBS
$45.95 -
VINTCO Main Bearing and Seal Kit - Honda KMB034
VINTCO
$52.95Main Bearing and Seal Kit - Honda Includes necessary bearings and seals to complete crankshaft installation, Includes premium OEM quality Japanese manufactured bearings09240656- SKU:
- 09240656
- Availability:
- Ships Same Business Day
- Weight:
- 1.46 LBS
$52.95 -
VINTCO Main Bearing and Seal Kit - Honda KMB032
VINTCO
$52.95Main Bearing and Seal Kit - KMB032 Complete kit for crankshaft installation Includes all necessary bearings and seals Premium OEM quality for reliable performance Manufactured in Japan for superior durability Designed specifically...09240657- SKU:
- 09240657
- Availability:
- Ships Same Business Day
- Weight:
- 1.46 LBS
$52.95
