Motocross/Dirt Bike Crankshafts & Components

Motorcycle Crankshaft & Components
  • Wiseco® - Complete Bottom End Rebuild Crankshaft Kit
    Wiseco®Complete Bottom End Rebuild Crankshaft Kit
    0
    # sp177216
    Complete Bottom End Rebuild Crankshaft Kit by Wiseco®. Multi-cylinder applications come complete with main bearings (unless specified otherwise). Pre-assembled and precision trued to OEM specifications. Ready for installation. Every...
    Shot peened rodsSuperior strength under heavy loads
    $248.63 - $590.92
  • Wiseco® - Crankshaft Assembly
    Wiseco®Crankshaft Assembly (WPC123)
    0
    # mpn4664280510
    Crankshaft Assembly by Wiseco®. Multi-cylinder applications come complete with main bearings (unless specified otherwise). Pre-assembled and precision trued to OEM specifications. Ready for installation. Every Wiseco Crankshaft Assembly...
    Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance
    $261.28
  • Athena® - Crankshaft
    Athena®Crankshaft
    0
    # sp157451
    Crankshaft by Athena®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials...
    Designed and manufactured using innovative technologiesMade with maximum safety and reliability in mind
    $146.66 - $247.46
  • Hot Rods® - Bottom End Kit
    Hot Rods®Bottom End Kit
    0
    # sp172431
    Bottom End Kit by Hot Rods®. Kit contains Hot Rods OEM replacement crankshaft, main bearings and seals, and complete gasket set for a complete and hassle-free installation. Bolt in and go.
    Stringently tested with the highest quality standardsBuilt for long-lasting dependability and unmatched quality
    $175.96 - $757.56
  • Hot Rods® - Counter Balancer Bearing Kit
    Hot Rods®Counter Balancer Bearing Kit
    0
    # sp230035
    Counter Balancer Bearing Kit by Hot Rods®. Hot Rods counterbalance kits repair leaking countershaft seals. A must-have, these replacement kits include trusted Hot Rods bearings for the counterbalancer shaft for most modern 4-stroke...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $16.80 - $19.76
  • Hot Rods® - Crankshaft Assemblies
    Hot Rods®Crankshaft Assemblies
    0
    # sp230036
    Crankshaft Assemblies by Hot Rods®. Are you looking to replace a broken, worn-out crankshaft assembly? Hot Rods complete crankshaft assemblies are sold with Hot Rods connecting rods and wrist pin bearings. These crankshafts are factory...
    Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance
    $336.56 - $415.76
  • Hot Rods® - Crankshaft Kit
    Hot Rods®Crankshaft Kit
    0
    # sp172433
    Crankshaft Kit by Hot Rods®. With connecting rods. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Stringently tested with the highest quality standardsBuilt for long-lasting dependability and unmatched quality
    $112.46 - $564.26
  • Hot Rods® - Crankshaft Main Bearing and Seal Kit
    Hot Rods®Crankshaft Main Bearing and Seal Kit
    0
    # sp172434
    Crankshaft Main Bearing and Seal Kit by Hot Rods®. Replacement. A quality alternative to expensive OEM bearings and seals. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a...
    Stringently tested with the highest quality standardsBuilt for long-lasting dependability and unmatched quality
    $45.86 - $158.36
  • Hot Rods® - Heavy Duty Crankshaft Kit
    Hot Rods®Heavy Duty Crankshaft Kit
    0
    # sp172436
    Heavy Duty Crankshaft Kit by Hot Rods®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Stringently tested with the highest quality standardsBuilt for long-lasting dependability and unmatched quality
    $206.96 - $494.06
  • ProX® - Complete Crankshaft
    ProX®Complete Crankshaft
    0
    # sp182409
    Complete Crankshaft by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance
    $224.89 - $339.70
  • ProX® - Crankshaft Bearing
    ProX®Crankshaft Bearing
    0
    # sp160503
    Crankshaft Bearing by ProX®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an...
    Carefully developed for the highest level of qualityReady to serve reliably for years to come
    $31.68
  • ProX® - Crankshaft Bearing and Seal Kit
    ProX®Crankshaft Bearing and Seal Kit
    0
    # sp147078
    Crankshaft Bearing and Seal Kit by ProX®. Crankshaft bearings and seals are manufactured at leading OEM factories, mainly in Japan. All bearings and seals are made to exact OEM specifications, to ensure maximum quality and performance....
    Carefully developed for the highest level of qualityReady to serve reliably for years to come
    $29.43 - $132.17
  • ProX® - Crankshaft Seal Kit
    ProX®Crankshaft Seal Kit
    0
    # sp182411
    Crankshaft Seal Kit by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Carefully developed for the highest level of qualityReady to serve reliably for years to come
    $11.39 - $28.36
  • Steahly Off Road® - Flywheel Weight
    Steahly Off Road®Flywheel Weight
    0
    # sp155802
    Flywheel Weight by Steahly Off Road®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Precision-machined from stainless steelBolt-on installation at end of crank no drilling or tapping required
    $140.02 - $157.76
  • Wiseco® - Bottom End Crank Kit
    Wiseco®Bottom End Crank Kit
    0
    # sp230053
    Bottom End Crank Kit by Wiseco®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance
    $308.38 - $652.21
  • Wiseco® - Complete Bottom End Rebuild Kit
    Wiseco®Complete Bottom End Rebuild Kit (WPC175)
    0
    # mpn4670404760
    Complete Bottom End Rebuild Kit by Wiseco®. Multi-cylinder applications come complete with main bearings (unless specified otherwise). Pre-assembled and precision trued to OEM specifications. Ready for installation. Every Wiseco...
    Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance
    $573.76
  • Wiseco® - Complete Bottom End Rebuild Kit
    Wiseco®Complete Bottom End Rebuild Kit (WPC153)
    0
    # mpn4670404759
    Complete Bottom End Rebuild Kit by Wiseco®. Multi-cylinder applications come complete with main bearings (unless specified otherwise). Pre-assembled and precision trued to OEM specifications. Ready for installation. Every Wiseco...
    Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance
    $479.83
  • Wiseco® - Crankshaft Bearing Kit 28x72x18mm
    Wiseco®Crankshaft Bearing Kit 28x72x18mm (BK5024)
    0
    # mpn4872382116
    Crankshaft Bearing Kit 28x72x18mm by Wiseco®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $116.46
  • Athena® - Long Stroke Crankshaft
    Athena®Long Stroke Crankshaft (S410485320001)
    0
    # mpn4561439956
    Long Stroke Crankshaft by Athena®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Designed and manufactured using innovative technologiesMade with maximum safety and reliability in mind
    $247.46
  • Hot Rods® - Assy Crankshaft
    Hot Rods®Assy Crankshaft (4162)
    0
    # mpn4645864209
    Assy Crankshaft by Hot Rods®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Expertly crafted from premium materialsDesigned to match rigorous quality standards
    $405.86
  • Hot Rods® - Bottom End Kit
    Hot Rods®Bottom End Kit (CBK0231)
    0
    # mpn4713522497
    Bottom End Kit (CBK0231) by Hot Rods®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Stringently tested with the highest quality standardsBuilt for long-lasting dependability and unmatched quality
    $510.36
  • Hot Rods® - Bottom End Kit
    Hot Rods®Bottom End Kit (CBK0225)
    0
    # mpn4634243209
    Bottom End Kit by Hot Rods®. Bolt in and go. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Stringently tested with the highest quality standardsBuilt for long-lasting dependability and unmatched quality
    $580.76
  • Hot Rods® - Bottom End Kit
    Hot Rods®Bottom End Kit (CBK0222)
    0
    # mpn4634243208
    Bottom End Kit by Hot Rods®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Stringently tested with the highest quality standardsBuilt for long-lasting dependability and unmatched quality
    $492.76
  • Hot Rods® - Bottom End Kit
    Hot Rods®Bottom End Kit (CBK0211)
    0
    # mpn4634243205
    Bottom End Kit by Hot Rods®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Stringently tested with the highest quality standardsBuilt for long-lasting dependability and unmatched quality
    $510.36
  • Hot Rods® - Bottom End Kit
    Hot Rods®Bottom End Kit (CBK0210)
    0
    # mpn4634243204
    Bottom End Kit by Hot Rods®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Stringently tested with the highest quality standardsBuilt for long-lasting dependability and unmatched quality
    $731.16
  • Hot Rods® - Bottom End Kit
    Hot Rods®Bottom End Kit (CBK0201)
    0
    # mpn4634243202
    Bottom End Kit (CBK0201) by Hot Rods®. Bolt in and go. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...
    Stringently tested with the highest quality standardsBuilt for long-lasting dependability and unmatched quality
    $757.56
  • Hot Rods® - Bottom End Kit
    Hot Rods®Bottom End Kit (CBK0200)
    0
    # mpn4634243201
    Bottom End Kit (CBK0200) by Hot Rods®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Stringently tested with the highest quality standardsBuilt for long-lasting dependability and unmatched quality
    $703.96
  • Hot Rods® - Bottom End Kit
    Hot Rods®Bottom End Kit (CBK0198)
    0
    # mpn4634243200
    Bottom End Kit by Hot Rods®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Stringently tested with the highest quality standardsBuilt for long-lasting dependability and unmatched quality
    $731.16
  • Hot Rods® - Bottom End Kit
    Hot Rods®Bottom End Kit (CBK0197)
    0
    # mpn4634243199
    Bottom End Kit (CBK0197) by Hot Rods®. Bolt in and go. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...
    Stringently tested with the highest quality standardsBuilt for long-lasting dependability and unmatched quality
    $439.96
  • Hot Rods® - Bottom End Kit
    Hot Rods®Bottom End Kit (CBK0190)
    0
    # mpn4634243195
    Bottom End Kit by Hot Rods®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Stringently tested with the highest quality standardsBuilt for long-lasting dependability and unmatched quality
    $316.76




High jumps, hard impacts, riding in the mud, and sudden and strong acceleration are peculiar to many motocross competitions. However, motocross off-roading is a challenging sport both for the biker and motorcycle, and both are required to be in top shape. The engine is the very core of the two-wheeler. Most motocross and dirt bikes are equipped with two-stroke motors whose simple architecture and outstanding power are perfect to cope with challenging routes successfully. The crankshaft is one of the most crucial components of the engine.

The reciprocating motion of pistons initiated by the combustion process is transferred to the crankshaft via connecting rods and converted into the rotating motion that ultimately pushes the bike forward. The unique shape of the crankshaft is also one of the main reasons for its failure: even a small misalignment can prevent the engine to work properly. Excessive loads, insufficient lubrication, and wear are the main cause of misalignment, while cracks are rare. If you need to replace the crankshaft, we have a large choice of top-notch motocross/dirt bike crankshafts and components including bearings and seals.

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