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
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PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 93823-14149-15T
PARTS UNLIMITED
$12.19All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a perfect fit12120366- SKU:
- 12120366
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- EACH
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 15
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 428
- COLOR/FINISH:
- RAW
- RIDING STYLE:
- STREET
- TYPE:
- COUNTERSHAFT
$12.19Qty in Cart: 0Quantity:Price:$12.19Subtotal: -
PARTS UNLIMITED Rear Honda Sprocket - 520 - 40 Tooth 41201-KG0-000
PARTS UNLIMITED
$32.59All our front and rear sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a perfect fit, Packaged individually in poly bags with...K223503A- SKU:
- K223503A
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- MATERIAL:
- STEEL
- TYPE:
- DRIVE
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 40
- COLOR/FINISH:
- NATURAL
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$32.59Qty in Cart: 0Quantity:Price:$32.59Subtotal: -
PARTS UNLIMITED Countershaft Sprocket - 12-Tooth 27511-19A00
PARTS UNLIMITED
$13.21All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a perfect fitK222865- SKU:
- K222865
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 12
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- RAW
- RIDING STYLE:
- STREET
- TYPE:
- COUNTERSHAFT
$13.21Qty in Cart: 0Quantity:Price:$13.21Subtotal: -
PARTS UNLIMITED Single Bearing - 1" Radiused SA205-16
PARTS UNLIMITED
$16.34Parts Unlimited has a broad assortment of popular top-quality bearings for many applications, New triple-seal bearings feature special low temperature grease, Bearings are rated ABEC #1RA100NPPB- SKU:
- RA100NPPB
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- STYLE:
- RADIUSED
- TYPE:
- DOUBLE SEAL
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- THICKNESS:
- 31,75 MM (1-1/4')
- INSIDE DIAMETER:
- 25,4 MM (1')
- OUTSIDE DIAMETER:
- 52 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
$16.34Qty in Cart: 0Quantity:Price:$16.34Subtotal: -
MOOSE RACING Repair Kit - Master Cylinder - Brake/Clutch 18-1055
MOOSE RACING
$45.95Kits contain all of the components to re-seal leaking master cylinders, Includes replacement hard anodized aluminum piston, replacement cover screws, boot and spring11320931- SKU:
- 11320931
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- REBUILD KIT
- STYLE:
- STANDARD
- TYPE:
- CLUTCH
- TYPE:
- MASTER CYLINDER
$45.95Qty in Cart: 0Quantity:Price:$45.95Subtotal: -
MOOSE RACING Clutch Kit M90-1871
MOOSE RACING
$203.95Designed to outperform OEM or aftermarket clutches, A one-stop shop for all of your clutch components11312394- SKU:
- 11312394
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- FEATURES:
- INCLUDES GASKET
- PRODUCT NAME:
- CLUTCH KIT
- DRIVE PLATE MATERIAL:
- STEEL
- FEATURES:
- INCLUDES SPRINGS
- RIDING STYLE:
- OFF-ROAD
- SPRING MATERIAL:
- CHROME SILICON
- TYPE:
- COMPLETE
- UNITS:
- KIT
$203.95Qty in Cart: 0Quantity:Price:$203.95Subtotal: -
MOOSE RACING 520 FB - Chain - 110 Links 195FB110
MOOSE RACING
$135.95This is the top of the line; the strongest, most durable sealed chain that we offer, FB = Fine Blanking, an incredibly precise manufacturing process that yields perfectly cut links, Tight tolerances make the plate, pin, and bushing union accurate and...12220100- SKU:
- 12220100
- Availability:
- Ships Same Business Day
- Weight:
- 4.28 LBS
- COLOR/FINISH:
- GOLD
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TENSILE STRENGTH IMPERIAL:
- 7937 LB
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- CHAIN TYPE:
- 520 FB
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- TENSILE STRENGTH METRIC:
- 35.3 KN
- MASTER LINK CONNECTOR:
- RIVET
- MODEL:
- FB SERIES
- NUMBER OF LINKS:
- 110
- SEAL TYPE:
- FB-RING
- MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
- 750 CC
- PRODUCT NAME:
- DRIVE CHAIN
- RIDING STYLE:
- ATV
$135.95 -
MOOSE RACING Clutch Basket M441
MOOSE RACING
$313.95Clutch basket from Moose Racing11321373- SKU:
- 11321373
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- CLUTCH BASKET
- MATERIAL:
- BILLET ALUMINUM
$313.95Qty in Cart: 0Quantity:Price:$313.95Subtotal: -
MOOSE RACING Clutch Basket M641-B-1901
MOOSE RACING
$218.95Clutch basket from Moose Racing11321374- SKU:
- 11321374
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CLUTCH BASKET
- UNITS:
- EACH
$218.95Qty in Cart: 0Quantity:Price:$218.95Subtotal: -
MOOSE RACING Clutch Basket with Cushions M253
MOOSE RACING
$248.95New design improves clutch performance and heat dissipation, Precision machined from billet T-6 aircraft quality aluminum, Hard anodized for longer wear resistance than OEM design, Superior tensile strength and hardness, Advanced design allows clutch...11320119- SKU:
- 11320119
- Availability:
- Ships Same Business Day
- Weight:
- 1.17 LBS
- COLOR/FINISH:
- ANODIZED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- FEATURES:
- INCLUDES CUSHIONS
- MATERIAL:
- 6061 AIRCRAFT-GRADE ALUMINUM ALLOY
- PRODUCT NAME:
- CLUTCH BASKET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$248.95Qty in Cart: 0Quantity:Price:$248.95Subtotal: -
MOOSE RACING Clutch Basket with Cushions M257
MOOSE RACING
$248.95New design improves clutch performance and heat dissipation, Precision machined from billet T-6 aircraft quality aluminum, Hard anodized for longer wear resistance than OEM design, Superior tensile strength and hardness, Advanced design allows clutch...11320121- SKU:
- 11320121
- Availability:
- Ships Same Business Day
- Weight:
- 1.36 LBS
- PRODUCT NAME:
- CLUTCH BASKET
- COLOR/FINISH:
- ANODIZED
- MATERIAL:
- 6061 AIRCRAFT-GRADE ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- FEATURES:
- INCLUDES CUSHIONS
$248.95Qty in Cart: 0Quantity:Price:$248.95Subtotal: -
MOOSE RACING Friction Plates F70-5179-7
MOOSE RACING
$99.95DP manufactures these with heat-resistant friction material for fade-free performance, Ready to install, no need to soak in oil, Designed to ensure ultra-smooth power delivery11313227- SKU:
- 11313227
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- PRODUCT NAME:
- FRICTION PLATE SET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- SET
$99.95Qty in Cart: 0Quantity:Price:$99.95Subtotal: -
MOOSE RACING Clutch Basket with Gear M694
MOOSE RACING
$340.95New design improves clutch performance and heat dissipation, Precision machined from billet T-6 aircraft quality aluminum, Hard anodized for longer wear resistance than OEM design, Superior tensile strength and hardness, Advanced design allows clutch...11320618- SKU:
- 11320618
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- PRODUCT NAME:
- CLUTCH BASKET
- COLOR/FINISH:
- ANODIZED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- 6061 AIRCRAFT-GRADE ALUMINUM ALLOY
- FEATURES:
- INCLUDES KICKSTARTER GEAR
$340.95Qty in Cart: 0Quantity:Price:$340.95Subtotal: -
MOOSE RACING Steel Drive Plates M80-7107-7
MOOSE RACING
$43.95Made of Steel, not aluminum like other clutch drive plates, Increased weight (3/4 Ib.) over stock plates adds flywheel effect, aiding starting and traction, Will not fade or expand like aluminum plates, 300% longer life than aluminum platesM807107- SKU:
- M807107
- Availability:
- Ships Same Business Day
- Weight:
- 1.13 LBS
- PRODUCT NAME:
- DRIVE PLATE SET (STEEL PLATE SET)
- UNITS:
- SET
- TYPE:
- CLUTCH
- DRIVE PLATE MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$43.95Qty in Cart: 0Quantity:Price:$43.95Subtotal: -
On Sale
Pro Circuit Clutch Springs Kawasaki KX250F 2004-2018 CSK10250-CS
PRO CIRCUIT
MSRP: $69.95Now: $61.56Was: $69.95Enhance your bike's performance with the PRO CIRCUIT Clutch Springs CSK10250-CS. Designed for riders seeking a more responsive and powerful clutch engagement, these springs provide a significant upgrade over stock options. Experience improved torque...11310149- SKU:
- 11310149
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- UNITS:
- SET
- PRODUCT NAME:
- SPRING SET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
MSRP: $69.95Now: $61.56Was: $69.95Qty in Cart: 0Quantity:Price:MSRP: $69.95Now: $61.56Was: $69.95Subtotal: -
On Sale
Pro Circuit Clutch Springs Suzuki RM85 2002-2017 CSS12085
PRO CIRCUIT
MSRP: $72.95Now: $64.20Was: $72.95Upgrade your bike’s performance with the PRO CIRCUIT Clutch Springs CSS12085. Designed to enhance clutch engagement and minimize slipping, these springs provide a more responsive ride. Experience improved power transfer and acceleration control, ensuring...11312427- SKU:
- 11312427
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- PRODUCT NAME:
- SPRING SET
MSRP: $72.95Now: $64.20Was: $72.95Qty in Cart: 0Quantity:Price:MSRP: $72.95Now: $64.20Was: $72.95Subtotal: -
MOOSE RACING Clutch Springs MHDS129-5
MOOSE RACING
$16.95Springs are precision-wound using the finest chrome silicone wire, Heat-treated and shot-peened for maximum life, Improved feel at the clutch lever and stronger performance than OEM springs11310510- SKU:
- 11310510
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- PRODUCT NAME:
- SPRING SET
- SPRING MATERIAL:
- CHROME SILICON
- UNITS:
- SET
$16.95Qty in Cart: 0Quantity:Price:$16.95Subtotal: -
PARTS UNLIMITED Countershaft Sprocket - 13-Tooth 23802-ML3-870
PARTS UNLIMITED
$13.21All our front sprockets are manufactured to OEM specs using high-grade hardened steel for long life, All match original equipment exactly and feature precision-machined splines and teeth for a perfect fitK222502A- SKU:
- K222502A
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- RAW
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- ATV
- TOOTH COUNT:
- 13
- UNITS:
- EACH
- TYPE:
- COUNTERSHAFT
$13.21Qty in Cart: 0Quantity:Price:$13.21Subtotal: -
MOOSE RACING Aluminum Chain Guide - Honda 01-012CG
MOOSE RACING
$53.95Replace the fragile stock chain guide with this rugged aluminum guide, Aircraft aluminum withstands hard hits from logs and rocks, All mounting hardware and wear blocks included if applicable, Replacement wear blocks available, Made in U.S.A12310421- SKU:
- 12310421
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- MATERIAL:
- AIRCRAFT ALUMINUM
- PRODUCT NAME:
- CHAIN GUIDE
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE CHAIN
$53.95Qty in Cart: 0Quantity:Price:$53.95Subtotal: -
MOOSE RACING Aluminum Chain Guide - Kawasaki/Suzuki 01-013CG
MOOSE RACING
$38.95Replace the fragile stock chain guide with this rugged aluminum guide, Aircraft aluminum withstands hard hits from logs and rocks, All mounting hardware and wear blocks included if applicable, Replacement wear blocks available, Made in U.S.A12310422- SKU:
- 12310422
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- AIRCRAFT ALUMINUM
- PRODUCT NAME:
- CHAIN GUIDE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE CHAIN
- UNITS:
- EACH
$38.95Qty in Cart: 0Quantity:Price:$38.95Subtotal:
