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!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
MOOSE RACING Crank Bearing - PW50 24-1061
MOOSE RACING
$41.95MOOSE RACING Crank Bearing PW50 24-1061Precision crank bearings, Kits contain right and left crankshaft bearings, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines09240237- SKU:
- 09240237
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- APPLICATION:
- CRANKSHAFT
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
$41.95 -
MOOSE RACING Crank Bearing - Gas Gas 24-1115
MOOSE RACING
$160.95MOOSE RACING Crank Bearing Gas Gas 24-1115Precision crank bearings, Kits contain right and left crankshaft bearings, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines09240290- SKU:
- 09240290
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- CRANKSHAFT
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
- RIDING STYLE:
- STREET
$160.95 -
MOOSE RACING Crank Bearing - XR/TRX 24-1031
MOOSE RACING
$37.95MOOSE RACING Crank Bearing XR/TRX 24-1031Precision crank bearings, Kits contain right and left crankshaft bearings, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke enginesA241031- SKU:
- A241031
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- RIDING STYLE:
- ATV
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- BEARING
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- TYPE:
- BALL
$37.95 -
MOOSE RACING Crank Bearing - KTM 24-1099
MOOSE RACING
$39.95MOOSE RACING Crank Bearing KTM 24-1099Precision crank bearings, Kits contain right and left crankshaft bearings, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines09240221- SKU:
- 09240221
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TYPE:
- BALL
- APPLICATION:
- CRANKSHAFT
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$39.95 -
MOOSE RACING Crank Bearing with Seals - KDX 24-1045
MOOSE RACING
$85.95MOOSE RACING Crank Bearing with Seals KDX 24-1045Precision crank bearings, Kits contain right and left crankshaft bearings, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke enginesA241045- SKU:
- A241045
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BEARING
- UNITS:
- KIT
- TYPE:
- BALL
$85.95 -
MOOSE RACING Crank Bearings and Seals 24-1047
MOOSE RACING
$70.95MOOSE RACING Crank Bearings and Seals 24-1047Precision crank bearings, Kits contain right and left crankshaft bearings, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines09240007- SKU:
- 09240007
- Availability:
- Ships Same Business Day
- Weight:
- 1.68 LBS
- APPLICATION:
- CRANKSHAFT
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$70.95 -
MOOSE RACING Crank Bearings and Seals - YZ125 24-1062
MOOSE RACING
$78.95MOOSE RACING Crank Bearings and Seals YZ125 24-1062Precision crank bearings, Kits contain right and left crankshaft bearings, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines09240019- SKU:
- 09240019
- Availability:
- Ships Same Business Day
- Weight:
- 0.86 LBS
- TYPE:
- BALL
- APPLICATION:
- CRANKSHAFT
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$78.95 -
MOOSE RACING Crank Bearing - Yamaha 24-1066
MOOSE RACING
$84.95MOOSE RACING Crank Bearing Yamaha 24-1066Precision crank bearings, Kits contain right and left crankshaft bearings, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines09240214- SKU:
- 09240214
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
$84.95Qty in Cart: 0Quantity:Price:$84.95Subtotal: -
MOOSE RACING Crank Bearing - Yamaha 24-1072
MOOSE RACING
$74.95MOOSE RACING Crank Bearing Yamaha 24-1072Precision crank bearings, Kits contain right and left crankshaft bearings, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines09240215- SKU:
- 09240215
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
$74.95 -
MOOSE RACING Crank Bearing - Yamaha 24-1073
MOOSE RACING
$54.95MOOSE RACING Crank Bearing Yamaha 24-1073Precision crank bearings, Kits contain right and left crankshaft bearings, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines09240216- SKU:
- 09240216
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- TYPE:
- BALL
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
$54.95 -
MOOSE RACING Crank Bearing - KTM 24-1097
MOOSE RACING
$134.95MOOSE RACING Crank Bearing KTM 24-1097Precision crank bearings, Kits contain right and left crankshaft bearings, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines09240219- SKU:
- 09240219
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- APPLICATION:
- CRANKSHAFT
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
$134.95Qty in Cart: 0Quantity:Price:$134.95Subtotal: -
MOOSE RACING Crank Bearing - KTM 24-1098
MOOSE RACING
$148.95MOOSE RACING Crank Bearing KTM 24-1098Precision crank bearings, Kits contain right and left crankshaft bearings, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines09240220- SKU:
- 09240220
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- CRANKSHAFT
$148.95 -
MOOSE RACING Crank Bearing - KTM 24-1101
MOOSE RACING
$75.95MOOSE RACING Crank Bearing KTM 24-1101Precision crank bearings, Kits contain right and left crankshaft bearings, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines09240223- SKU:
- 09240223
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- CRANKSHAFT
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$75.95 -
MOOSE RACING Crank Bearing - KTM 24-1103
MOOSE RACING
$67.95MOOSE RACING Crank Bearing KTM 24-1103Precision crank bearings, Kits contain right and left crankshaft bearings, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines09240225- SKU:
- 09240225
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- APPLICATION:
- CRANKSHAFT
- UNITS:
- KIT
- TYPE:
- BALL
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
$67.95 -
MOOSE RACING Crank Bearing - KTM 24-1106
MOOSE RACING
$185.95MOOSE RACING Crank Bearing KTM 24-1106Precision crank bearings, Kits contain right and left crankshaft bearings, Seals designed with a fluorocarbon lip to reduce dry start friction on 2-stroke engines09240227- SKU:
- 09240227
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- ATV
- TYPE:
- BALL
$185.95 -
SHINDY Needle Bearing - 18 mm x 23 mm x 24 mm 10-101
SHINDY
$11.10SHINDY Needle Bearing 18 mm x 23 mm x 24 mm 10-101Piston pin needle cage bearings are manufactured from precision bearings and high-quality housing material, Each bearing is packaged in an individual box for easy identificationNB1452- SKU:
- NB1452
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- LENGTH:
- 24 MM
- LENGTH METRIC:
- 24 MM
- OUTSIDE DIAMETER METRIC:
- 23 MM
- APPLICATION:
- PISTON
- OUTSIDE DIAMETER:
- 23 MM
- RIDING STYLE:
- ATV
- TYPE:
- NEEDLE
- UNITS:
- EACH
- INSIDE DIAMETER:
- 18 MM
- INSIDE DIAMETER METRIC:
- 18 MM
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$11.10Qty in Cart: 0Quantity:Price:$11.10Subtotal: -
SHINDY Needle Bearing - 18 mm x 22 mm x 24 mm 10-201
SHINDY
$12.40SHINDY Needle Bearing 18 mm x 22 mm x 24 mm 10-201Piston pin needle cage bearings are manufactured from precision bearings and high-quality housing material, Each bearing is packaged in an individual box for easy identificationNB1453- SKU:
- NB1453
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- OUTSIDE DIAMETER METRIC:
- 22 MM
- TYPE:
- NEEDLE
- OUTSIDE DIAMETER:
- 22 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- APPLICATION:
- PISTON
- LENGTH METRIC:
- 24 MM
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- INSIDE DIAMETER:
- 18 MM
- INSIDE DIAMETER METRIC:
- 18 MM
- LENGTH:
- 24 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$12.40 -
SHINDY Needle Bearing - 14 mm x 18 mm x 16 mm 10-054
SHINDY
$11.50SHINDY Needle Bearing 14 mm x 18 mm x 16 mm 10-054Piston pin needle cage bearings are manufactured from precision bearings and high-quality housing material, Each bearing is packaged in an individual box for easy identificationNB1461- SKU:
- NB1461
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- APPLICATION:
- PISTON
- LENGTH METRIC:
- 16 MM
- OUTSIDE DIAMETER:
- 18 MM
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- INSIDE DIAMETER METRIC:
- 14 MM
- UNITS:
- EACH
- INSIDE DIAMETER:
- 14 MM
- OUTSIDE DIAMETER METRIC:
- 18 MM
- TYPE:
- NEEDLE
- LENGTH:
- 16 MM
$11.50 -
SHINDY Needle Bearing -14 mm x 18 mm x 19 mm 10-051
SHINDY
$8.90SHINDY Needle Bearing -14 mm x 18 mm x 19 mm 10-051Piston pin needle cage bearings are manufactured from precision bearings and high-quality housing material, Each bearing is packaged in an individual box for easy identificationNB1450- SKU:
- NB1450
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- INSIDE DIAMETER METRIC:
- 14 MM
- APPLICATION:
- PISTON
- INSIDE DIAMETER:
- 14 MM
- LENGTH METRIC:
- 19 MM
- TYPE:
- NEEDLE
- LENGTH:
- 19 MM
- UNITS:
- EACH
- OUTSIDE DIAMETER:
- 18 MM
- OUTSIDE DIAMETER METRIC:
- 18 MM
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
$8.90 -
SHINDY Needle Bearing - 16 mm x 20 mm x 19 mm 10-352
SHINDY
$10.20SHINDY Needle Bearing 16 mm x 20 mm x 19 mm 10-352Piston pin needle cage bearings are manufactured from precision bearings and high-quality housing material, Each bearing is packaged in an individual box for easy identificationNB1456- SKU:
- NB1456
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- APPLICATION:
- PISTON
- LENGTH:
- 19 MM
- PRODUCT NAME:
- BEARING
- OUTSIDE DIAMETER METRIC:
- 20 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- INSIDE DIAMETER:
- 16 MM
- INSIDE DIAMETER METRIC:
- 16 MM
- OUTSIDE DIAMETER:
- 20 MM
- LENGTH METRIC:
- 19 MM
- TYPE:
- NEEDLE
$10.20
