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!
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MOOSE OFFROAD Rear Sprocket - 41 Tooth - Honda 1211-1316-41-10
MOOSE OFFROAD
$39.95A worn or suboptimal rear sprocket directly compromises power delivery and chain longevity on your Honda. This 41-tooth MOOSE OFFROAD sprocket restores precise engagement and efficient torque...12111997- SKU:
- 12111997
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
MOOSE OFFROAD Rear Sprocket - 41 Tooth - Honda 1211-1304-41-10
MOOSE OFFROAD
$39.95A worn or incorrect rear sprocket directly impacts your Honda's acceleration, top-end speed, and chain longevity. The MOOSE OFFROAD 41-tooth sprocket delivers precise engagement and durability...12112008- SKU:
- 12112008
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 43 Tooth 1211-1489-43-10
MOOSE OFFROAD
$9.95A rear sprocket is one of the most critical drivetrain components for acceleration, handling, and overall ride quality—especially on off-road machines where precise power delivery matters. This...12112018- SKU:
- 12112018
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$9.95Qty in Cart: 0Quantity:Price:$9.95Subtotal: -
MOOSE OFFROAD Rear Sprocket - 50 Tooth - TM 1211-520T-50-10
MOOSE OFFROAD
$10.95A worn or improperly sized sprocket will compromise your chain engagement, accelerate drivetrain wear, and cost you power delivery when you can least afford it. The MOOSE OFFROAD 50-tooth rear...12112038- SKU:
- 12112038
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$10.95Qty in Cart: 0Quantity:Price:$10.95Subtotal: -
On Sale
VINTCO Clutch Plate Kit - CR250R KCLH14
VINTCO
MSRP: $129.95Now: $120.85Was: $129.95A worn or slipping clutch kills performance and reliability on track and trail. The VINTCO Clutch Plate Kit for CR250R delivers OEM or better engagement with modern friction materials and...11313749- SKU:
- 11313749
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
MSRP: $129.95Now: $120.85Was: $129.95 -
On Sale
VINTCO Clutch Plate Kit - KX 125 KCLK13
VINTCO
MSRP: $129.95Now: $120.85Was: $129.95A worn or slipping clutch dramatically reduces your KX 125's power transfer and throttle response, leaving performance gains on the track. VINTCO's complete clutch plate kit eliminates downtime by...11313772- SKU:
- 11313772
- Availability:
- Ships Same Business Day
- Weight:
- 1.71 LBS
MSRP: $129.95Now: $120.85Was: $129.95Qty in Cart: 0Quantity:Price:MSRP: $129.95Now: $120.85Was: $129.95Subtotal: -
On Sale
VINTCO Clutch Plate Kit - KX 250 KCLK16
VINTCO
MSRP: $106.95Now: $99.46Was: $106.95Your KX 250's clutch is the critical link between engine power and wheel traction—and a worn or failing clutch plate kit will cost you performance and reliability on every ride. VINTCO's complete...11313775- SKU:
- 11313775
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
MSRP: $106.95Now: $99.46Was: $106.95Qty in Cart: 0Quantity:Price:MSRP: $106.95Now: $99.46Was: $106.95Subtotal: -
On Sale
VINTCO Clutch Plate Kit - Suzuki KCLS01
VINTCO
MSRP: $99.95Now: $92.95Was: $99.95A worn or slipping clutch compromises your ability to transfer engine power efficiently to the wheels—costing you lap time and reliability. The VINTCO Clutch Plate Kit for Suzuki models delivers...11313787- SKU:
- 11313787
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
MSRP: $99.95Now: $92.95Was: $99.95 -
On Sale
VINTCO Clutch Plate Kit - RM 60/80 KCLS12
VINTCO
MSRP: $99.95Now: $92.95Was: $99.95A worn or slipping clutch robs you of power transfer and costs you races. The VINTCO Clutch Plate Kit RM 60/80 delivers complete, ready-to-install clutch renewal with OEM-matched performance—no...11313794- SKU:
- 11313794
- Availability:
- Ships Same Business Day
- Weight:
- 0.87 LBS
MSRP: $99.95Now: $92.95Was: $99.95Qty in Cart: 0Quantity:Price:MSRP: $99.95Now: $92.95Was: $99.95Subtotal: -
On Sale
VINTCO Clutch Plate Kit - RM 125 KCLS15
VINTCO
MSRP: $129.95Now: $120.85Was: $129.95A worn or slipping clutch will rob your RM 125 of power transfer and leave you stranded on the track or trail. VINTCO's complete clutch plate kit eliminates the guesswork by bundling everything you...11313796- SKU:
- 11313796
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
MSRP: $129.95Now: $120.85Was: $129.95Qty in Cart: 0Quantity:Price:MSRP: $129.95Now: $120.85Was: $129.95Subtotal: -
On Sale
VINTCO Clutch Plate Kit - RM 250 KCLS21
VINTCO
MSRP: $129.95Now: $120.85Was: $129.95A worn or slipping clutch will rob your RM 250 of power transfer and cost you races. This complete VINTCO Clutch Plate Kit gives you everything needed for a full rebuild—steel plates, cork friction...11313802- SKU:
- 11313802
- Availability:
- Ships Same Business Day
- Weight:
- 1.83 LBS
MSRP: $129.95Now: $120.85Was: $129.95 -
On Sale
VINTCO Clutch Plate Kit - YZ 250 KCLY06
VINTCO
MSRP: $99.95Now: $92.95Was: $99.95A worn or degraded clutch plate kit compromises power delivery and throttle response, directly impacting your YZ 250's performance on the track or trail. The VINTCO Clutch Plate Kit restores full...11313822- SKU:
- 11313822
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
MSRP: $99.95Now: $92.95Was: $99.95Qty in Cart: 0Quantity:Price:MSRP: $99.95Now: $92.95Was: $99.95Subtotal: -
Rekluse Core Manual TorqDrive Clutch Kit Honda CRF250R 2022-2023 RMS-7101101
REKLUSE
$1,059.00If you're running a CRF250R or CRF250RX and hitting the limits of the stock clutch, the Rekluse Core Manual TorqDrive delivers the torque capacity and durability you need without compromising lever...11300654- SKU:
- 11300654
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
$1,059.00 -
On Sale
JT SPROCKETS Rear Sprocket - 48 Tooth - Aprilia/BMW JTR706.48
JT SPROCKETS
MSRP: $31.95Now: $28.44Was: $31.95A properly sized rear sprocket directly impacts your acceleration, top-end speed, and overall powertrain efficiency. The JT Sprockets 48-tooth rear sprocket is engineered for Aprilia and BMW...12100647- SKU:
- 12100647
- Availability:
- Ships Same Business Day
- Weight:
- 2.06 LBS
MSRP: $31.95Now: $28.44Was: $31.95 -
On Sale
JT SPROCKETS Rear Sprocket - 46 Tooth - DR200S JTR811.46
JT SPROCKETS
MSRP: $23.95Now: $21.32Was: $23.95A worn or incorrect rear sprocket directly impacts your DR200S's acceleration, top speed, and engine efficiency. The JT Sprockets 46-tooth rear sprocket restores optimal power delivery with precision...12102726- SKU:
- 12102726
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
MSRP: $23.95Now: $21.32Was: $23.95Qty in Cart: 0Quantity:Price:MSRP: $23.95Now: $21.32Was: $23.95Subtotal: -
On Sale
JT SPROCKETS Countershaft Sprocket - 15 Tooth - Husaberg JTF823.15
JT SPROCKETS
MSRP: $15.59Now: $13.88Was: $15.59A worn or damaged countershaft sprocket directly impacts your Husaberg's power delivery and acceleration response. The JT Sprockets 15-tooth countershaft sprocket is engineered to restore precise...12120799- SKU:
- 12120799
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
MSRP: $15.59Now: $13.88Was: $15.59Qty in Cart: 0Quantity:Price:MSRP: $15.59Now: $13.88Was: $15.59Subtotal: -
On Sale
JT SPROCKETS Countershaft Sprocket - 13 Tooth - KTM JTF1902.13
JT SPROCKETS
MSRP: $15.65Now: $12.42Was: $13.95A worn or damaged countershaft sprocket directly impacts your power delivery and throttle response—this JT Sprockets 13-tooth replacement restores optimal engagement between your primary drive and...12121155- SKU:
- 12121155
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
MSRP: $15.65Now: $12.42Was: $13.95Qty in Cart: 0Quantity:Price:MSRP: $15.65Now: $12.42Was: $13.95Subtotal: -
On Sale
JT SPROCKETS Countershaft Sprocket - 14 Tooth JTF1901.14
JT SPROCKETS
MSRP: $12.75Now: $11.35Was: $12.75A reliable countershaft sprocket is fundamental to maintaining precise power delivery and consistent gear ratios in high-demand racing applications. The JT Sprockets 14-tooth countershaft sprocket...12121955- SKU:
- 12121955
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
MSRP: $12.75Now: $11.35Was: $12.75 -
On Sale
JT SPROCKETS Countershaft Sprocket - 14 Tooth - CR125 JTF266.14
JT SPROCKETS
MSRP: $10.95Now: $9.75Was: $10.95A worn or damaged countershaft sprocket directly impacts your CR125's power delivery and acceleration consistency. This OEM-spec replacement ensures precise chain engagement and maintains the tight...12121959- SKU:
- 12121959
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
MSRP: $10.95Now: $9.75Was: $10.95Qty in Cart: 0Quantity:Price:MSRP: $10.95Now: $9.75Was: $10.95Subtotal: -
Sunstar 520 Heavy Duty Chain 114 Links Yamaha YZ450F 2016 SS520HDN1-114
SUNSTAR SPROCKETS
$72.95A worn or undersized chain kills power transfer and invites catastrophic failure on the track or trail. The Sunstar 520 Heavy Duty Chain delivers the durability and load capacity needed for sustained...12210419- SKU:
- 12210419
- Availability:
- Ships Same Business Day
- Weight:
- 3.80 LBS
$72.95Qty in Cart: 0Quantity:Price:$72.95Subtotal:
