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Dirt Bike Drivetrain

Dirt Bike Drivetrain

Dirt Bike Drivetrain

Dirt Bike Drivetrain Parts at JJ Motorsports

Enhance your dirt bike’s power transfer with premium drivetrain parts from JJ Motorsports. Find heavy-duty chains, front and rear sprockets, and clutch components designed to withstand intense riding demands. Combine these with other motocross gear and parts to maximize acceleration and ride efficiency on the track or trail.

Shop trusted brands like JT Chains for sealed chains and Renthal for ultralight sprockets. Explore related categories such as Dirt Bike Engine Parts for power upgrades or Dirt Bike Exhaust for complete tuning.

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
  • BARNETT Clutch Friction Plate 301-48-40008

    BARNETT Clutch Friction Plate 301-48-40008

    BARNETT

    $17.91
    A worn or glazed clutch friction plate kills power transfer and creates slipping under load—exactly what you can't afford during a race or aggressive driving. The BARNETT 301-48-40008 friction plate delivers consistent bite and heat resistance through...
    11310189
    SKU:
    11310189
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    FRICTION PLATE MATERIAL:
    ARAMID FIBER
    PRODUCT NAME:
    FRICTION PLATE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    UNITS:
    EACH
    $17.91
    Qty in Cart: 0
    Quantity:
    Price:
    $17.91
    Subtotal:
  • DP BRAKES Clutch Kit DPK169

    DP BRAKES Clutch Kit DPK169

    DP BRAKES

    $160.95
    Stock clutch plates fade under sustained heat and load, leaving you hunting for engagement point mid-race. The DP BRAKES DPK169 replaces worn friction and steel plates with high-temperature compounds and precision-wound springs, delivering consistent...
    11310135
    SKU:
    11310135
    Availability:
    Ships Same Business Day
    Weight:
    1.43 LBS
    DRIVE PLATE MATERIAL:
    STEEL
    MODEL:
    DPK SERIES
    PRODUCT NAME:
    CLUTCH KIT
    RIDING STYLE:
    OFF-ROAD
    SPRING MATERIAL:
    CHROME SILICON
    TYPE:
    COMPLETE
    UNITS:
    SET
    $160.95
    Qty in Cart: 0
    Quantity:
    Price:
    $160.95
    Subtotal:
  • DP BRAKES Clutch Kit DPK168

    DP BRAKES Clutch Kit DPK168

    DP BRAKES

    $169.95
    If you're running stock clutch plates, you're leaving performance on the table—and risking fade when it matters most. The DP BRAKES Clutch Kit DPK168 delivers fade-free power delivery with high-heat friction materials engineered for off-road and...
    11310134
    SKU:
    11310134
    Availability:
    Ships Same Business Day
    Weight:
    1.43 LBS
    DRIVE PLATE MATERIAL:
    STEEL
    MODEL:
    DPK SERIES
    PRODUCT NAME:
    CLUTCH KIT
    RIDING STYLE:
    OFF-ROAD
    SPRING MATERIAL:
    CHROME SILICON
    TYPE:
    COMPLETE
    UNITS:
    SET
    Qty in Cart: 0
    Quantity:
    Price:
    $169.95
    Subtotal:
  • REKLUSE Core EXP 3.0 Clutch RMS-7790

    REKLUSE Core EXP 3.0 Clutch RMS-7790

    REKLUSE

    $999.00
    The REKLUSE Core EXP 3.0 clutch eliminates the guesswork from takeoffs and stops—delivering consistent, predictable engagement every time you twist the throttle. If you're tired of slipping, chattering, or fighting inconsistent clutch feel across varying...
    11300627
    SKU:
    11300627
    Availability:
    Ships Same Business Day
    Weight:
    3.30 LBS
    UNITS:
    EACH
    MODEL:
    CORE EXPâ„¢ 3.0
    PRODUCT NAME:
    CLUTCH KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    AUTO CLUTCH
    $999.00
    Qty in Cart: 0
    Quantity:
    Price:
    $999.00
    Subtotal:
  • Rekluse YZ250 1999-2025 Core Manual Clutch Kit RMS-7070

    Rekluse YZ250 1999-2025 Core Manual Clutch Kit RMS-7070

    REKLUSE

    $659.00
    If you're running a YZ250 in competitive or high-demand riding conditions, clutch fade and inconsistent lever feel will cost you performance and confidence. The Rekluse RMS-7070 Core Manual Clutch Kit delivers measurable improvements in engagement...
    11300345
    SKU:
    11300345
    Availability:
    Ships Same Business Day
    Weight:
    3.35 LBS
    PRODUCT NAME:
    CLUTCH KIT
    UNITS:
    KIT
    MODEL:
    CORE MANUAL
    RIDING STYLE:
    OFF-ROAD
    $659.00
    Qty in Cart: 0
    Quantity:
    Price:
    $659.00
    Subtotal:
  • Rekluse Core Manual Clutch Kit for Suzuki RM-Z250 2020-2025 RMS-7067

    Rekluse Core Manual Clutch Kit for Suzuki RM-Z250 2020-2025 RMS-7067

    REKLUSE

    $659.00
    The stock clutch in your RM-Z250 will fade under sustained throttle application, compromising your modulation and confidence on the track or trail. The Rekluse Core Manual delivers consistent lever feel lap after lap by engineering superior heat...
    11300344
    SKU:
    11300344
    Availability:
    Ships Same Business Day
    Weight:
    2.70 LBS
    PRODUCT NAME:
    CLUTCH KIT
    UNITS:
    KIT
    MODEL:
    CORE MANUAL
    RIDING STYLE:
    OFF-ROAD
    $659.00
    Qty in Cart: 0
    Quantity:
    Price:
    $659.00
    Subtotal:
  • Rekluse Core Manual Clutch Kit for Suzuki RM-Z450 2008-2025 RMS-7064

    Rekluse Core Manual Clutch Kit for Suzuki RM-Z450 2008-2025 RMS-7064

    REKLUSE

    $659.00
    Stock clutches on the RM-Z450 struggle under sustained throttle and heat cycling, leading to inconsistent lever feel and premature fade. The Rekluse Core Manual delivers the thermal management and modulation stability you need for repeatable performance,...
    11300343
    SKU:
    11300343
    Availability:
    Ships Same Business Day
    Weight:
    3.55 LBS
    UNITS:
    KIT
    MODEL:
    CORE MANUAL
    PRODUCT NAME:
    CLUTCH KIT
    RIDING STYLE:
    OFF-ROAD
    $659.00
    Qty in Cart: 0
    Quantity:
    Price:
    $659.00
    Subtotal:
  • HOT RODS Transmission Bearings Kit TBK0081

    HOT RODS Transmission Bearings Kit TBK0081

    HOT RODS

    $140.95
    A transmission rebuild demands precision at every bearing surface—compromised bearings will destroy your transmission efficiency and cause premature wear that cascades through your entire drivetrain. The HOT RODS Transmission Bearings Kit TBK0081...
    11060160
    SKU:
    11060160
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    TYPE:
    TRANSMISSION
    UNITS:
    KIT
    PRODUCT NAME:
    BEARING KIT
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $140.95
    Subtotal:
  • HOT RODS Transmission Bearings Kit TBK0080

    HOT RODS Transmission Bearings Kit TBK0080

    HOT RODS

    $151.95
    Transmission bearing failures compromise shift quality and accelerate internal wear—a problem that compounds quickly under racing loads or high-mileage operation. The HOT RODS TBK0080 supplies OEM-grade bearings for both primary and secondary shafts,...
    11060159
    SKU:
    11060159
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    PRODUCT NAME:
    BEARING KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TRANSMISSION
    UNITS:
    KIT
    $151.95
    Qty in Cart: 0
    Quantity:
    Price:
    $151.95
    Subtotal:
  • HOT RODS Transmission Bearings Kit TBK0017

    HOT RODS Transmission Bearings Kit TBK0017

    HOT RODS

    $151.95
    A transmission rebuild demands precision bearings that eliminate play and ensure smooth power delivery across all gears. The HOT RODS TBK0017 kit supplies OEM-quality bearings for both primary and secondary shafts, plus the specialized needle bearing for...
    11060158
    SKU:
    11060158
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    PRODUCT NAME:
    BEARING KIT
    TYPE:
    TRANSMISSION
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $151.95
    Qty in Cart: 0
    Quantity:
    Price:
    $151.95
    Subtotal:
  • HOT RODS Transmission Bearings Kit TBK0013

    HOT RODS Transmission Bearings Kit TBK0013

    HOT RODS

    $133.95
    Transmission rebuilds demand precision-engineered components that can withstand repeated stress cycles without compromise. The HOT RODS Transmission Bearings Kit TBK0013 supplies OEM-quality bearings for both primary and secondary shafts, eliminating the...
    11060156
    SKU:
    11060156
    Availability:
    Ships Same Business Day
    Weight:
    1.14 LBS
    PRODUCT NAME:
    BEARING KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TRANSMISSION
    UNITS:
    KIT
    $133.95
    Qty in Cart: 0
    Quantity:
    Price:
    $133.95
    Subtotal:
  • HOT RODS Transmission Bearings Kit TBK0010

    HOT RODS Transmission Bearings Kit TBK0010

    HOT RODS

    $133.95
    A transmission rebuild demands precision-engineered bearings that can handle the stress of power transfer without premature wear or failure. The HOT RODS Transmission Bearings Kit TBK0010 equips you with OEM-quality bearings for your primary and...
    11060155
    SKU:
    11060155
    Availability:
    Ships Same Business Day
    Weight:
    1.15 LBS
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    BEARING KIT
    TYPE:
    TRANSMISSION
    UNITS:
    KIT
    $133.95
    Qty in Cart: 0
    Quantity:
    Price:
    $133.95
    Subtotal:
  • HOT RODS Transmission Bearings Kit TBK0009

    HOT RODS Transmission Bearings Kit TBK0009

    HOT RODS

    $131.95
    A complete transmission bearing refresh is non-negotiable when rebuilding or installing a fresh engine case. This kit supplies all primary and secondary shaft bearings plus the shift drum needle bearing—the critical components that handle constant load...
    11060154
    SKU:
    11060154
    Availability:
    Ships Same Business Day
    Weight:
    1.06 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TRANSMISSION
    UNITS:
    KIT
    PRODUCT NAME:
    BEARING KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $131.95
    Subtotal:
  • ACERBIS Chain Guide - Honda CR125R/250R - Black 2071519999

    ACERBIS Chain Guide - Honda CR125R/250R - Black 2071519999

    ACERBIS

    $32.95
    A worn or damaged chain guide compromises power delivery and risks catastrophic drivetrain failure on your CR125R or CR250R. The ACERBIS Chain Guide is engineered as a direct replacement to maintain precise chain alignment, reduce lateral deflection, and...
    12310212
    SKU:
    12310212
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    BLACK
    UNITS:
    EACH
    PRODUCT NAME:
    CHAIN GUIDE
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • ACERBIS Chain Guide - Kawasaki KX125/250 - Black 2071529999 ACERBIS Chain Guide - Kawasaki KX125/250 - Black 2071529999

    ACERBIS Chain Guide - Kawasaki KX125/250 - Black 2071529999

    ACERBIS

    $32.95
    A worn or damaged chain guide compromises both drivetrain efficiency and longevity, allowing excessive chain movement that accelerates sprocket wear and risks derailment during aggressive riding. The ACERBIS Chain Guide is engineered as a direct OEM...
    12310213
    SKU:
    12310213
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    CHAIN GUIDE
    RIDING STYLE:
    OFF-ROAD
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • ACERBIS Chain Slider - Honda CR125R/250R CRF250R CRF250X CRF450R CRF450X - Black 2071539999 ACERBIS Chain Slider - Honda CR125R/250R CRF250R CRF250X CRF450R CRF450X - Black 2071539999

    ACERBIS Chain Slider - Honda CR125R/250R CRF250R CRF250X CRF450R CRF450X - Black 2071539999

    ACERBIS

    $32.95
    Chain slap against your swingarm wastes energy, creates noise, and accelerates wear on both components. The ACERBIS Chain Slider is a direct-replacement guard that keeps your chain properly positioned, reducing friction and extending the service life of...
    12310214
    SKU:
    12310214
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    PRODUCT NAME:
    CHAIN SLIDER
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    BLACK
    UNITS:
    EACH
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • ACERBIS Chain Guide - Honda CR125R/250R CRF250R CRF250X CRF450R - Black 2071549999

    ACERBIS Chain Guide - Honda CR125R/250R CRF250R CRF250X CRF450R - Black 2071549999

    ACERBIS

    $32.95
    A worn or damaged chain guide compromises both drivetrain efficiency and component longevity on high-rev machines like the CR and CRF platform. The ACERBIS Chain Guide is engineered as a direct replacement to restore proper chain alignment, reduce...
    12310215
    SKU:
    12310215
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    CHAIN GUIDE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • ACERBIS Chain Slider - KTM SX/SX-F/XC/XC-W/EXC - Black 2113800001 ACERBIS Chain Slider - KTM SX/SX-F/XC/XC-W/EXC - Black 2113800001

    ACERBIS Chain Slider - KTM SX/SX-F/XC/XC-W/EXC - Black 2113800001

    ACERBIS

    $32.95
    Chain slap and swingarm contact are among the quickest ways to compromise drivetrain efficiency and durability on your KTM dirt bike. The ACERBIS Chain Slider is engineered to eliminate chain-to-swingarm friction, protecting both components from...
    12310216
    SKU:
    12310216
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    CHAIN SLIDER
    UNITS:
    EACH
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • ACERBIS Chain Slider - Honda CRF250R/CRF450R - Black 2160240001

    ACERBIS Chain Slider - Honda CRF250R/CRF450R - Black 2160240001

    ACERBIS

    $32.95
    Chain contact with your swingarm causes premature wear, noise, and potential damage to both components—a problem that compounds under aggressive riding. The ACERBIS Chain Slider is a direct replacement that eliminates chain rub entirely, protecting your...
    12310271
    SKU:
    12310271
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    PRODUCT NAME:
    CHAIN SLIDER
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • HOT RODS Transmission Bearings Kit TBK0035

    HOT RODS Transmission Bearings Kit TBK0035

    HOT RODS

    $133.95
    A transmission rebuild demands precision components that can handle extreme loads and sustained RPM cycles. The HOT RODS Transmission Bearings Kit TBK0035 delivers OEM-quality bearings engineered specifically for primary and secondary shaft applications,...
    11060121
    SKU:
    11060121
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TRANSMISSION
    UNITS:
    KIT
    PRODUCT NAME:
    BEARING KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $133.95
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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