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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VINTCO Clutch Plate Kit - YZ 125 KCLY13
VINTCO
$129.95A worn or slipping clutch will kill your YZ 125's power delivery and leave you vulnerable on the track. This complete VINTCO Clutch Plate Kit gives you everything needed for a full clutch refresh—steel plates, friction plates, and springs—all engineered...11313819- SKU:
- 11313819
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
$129.95 -
VINTCO Clutch Plate Kit - YZ 250/360 KCLY03
VINTCO
$99.95A worn or slipping clutch costs you performance and reliability on every ride. The VINTCO Clutch Plate Kit delivers smooth, fade-free engagement with OEM-equivalent fitment, so you can focus on riding instead of worrying about power loss or premature...11313820- SKU:
- 11313820
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
$99.95 -
VINTCO Clutch Plate Kit - YZ 250 KCLY05
VINTCO
$129.95A worn or slipping clutch can rob your YZ 250 of power delivery and leave you stranded trackside. The VINTCO Clutch Plate Kit KCLY05 delivers a complete, bolt-on solution with OEM-equivalent or superior performance—no hunting for individual components or...11313821- SKU:
- 11313821
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
$129.95Qty in Cart: 0Quantity:Price:$129.95Subtotal: -
VINTCO Clutch Plate Kit - YZ 250 KCLY08
VINTCO
$129.95A worn or slipping clutch robs your YZ 250 of power delivery and creates dangerous engagement inconsistency—especially critical if you're pushing hard on track or trail. The VINTCO Clutch Plate Kit KCLY08 restores positive clutch modulation with...11313823- SKU:
- 11313823
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
$129.95 -
VINTCO Clutch Plate Kit - YZ 80 KCLY15
VINTCO
$99.95A worn or slipping clutch plate kit severely impacts power delivery and throttle response on your YZ 80—especially if you're pushing the bike in competitive or high-demand riding situations. The VINTCO Clutch Plate Kit (KCLY15) restores consistent...11313824- SKU:
- 11313824
- Availability:
- Ships Same Business Day
- Weight:
- 0.54 LBS
$99.95 -
VINTCO Clutch Plate Kit - YZ 80 KCLY17
VINTCO
$99.95A worn or degraded clutch plate kit robs your YZ 80 of precise power delivery and forces you to compensate with sloppy throttle control. The VINTCO Clutch Plate Kit restores crisp engagement and consistent friction characteristics, giving you the...11313826- SKU:
- 11313826
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
$99.95Qty in Cart: 0Quantity:Price:$99.95Subtotal: -
VINTCO Clutch Plate Kit - YZ 80 KCLY18
VINTCO
$99.95OEM clutch plates wear out and lose engagement consistency, especially under racing conditions or aggressive riding. The VINTCO Clutch Plate Kit delivers superior friction material and heat management to restore positive power delivery and eliminate fade...11313827- SKU:
- 11313827
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
$99.95 -
VINTCO Clutch Plate Kit - YZ 80 KCLY19
VINTCO
$99.95A worn or slipping clutch can cost you races and reliability. The VINTCO Clutch Plate Kit for YZ 80 delivers OEM-equivalent performance with modern materials engineered for consistent power transfer and durability across repeated heat cycles. This...11313828- SKU:
- 11313828
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
$99.95 -
VINTCO Clutch Plate Kit - YZ 80 KCLY20
VINTCO
$99.95A worn or slipping clutch can cost you races and reliability. The VINTCO Clutch Plate Kit for YZ 80 gives you a complete, ready-to-install solution with OEM-equivalent or better performance—no need to source individual components. Built with modern...11313829- SKU:
- 11313829
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
$99.95 -
VINTCO Clutch Plate Kit - YZ 80 KCLY21
VINTCO
$99.95Stock clutch plates on your YZ 80 wear quickly under aggressive riding, causing slippage and delayed power delivery when you need it most. The VINTCO Clutch Plate Kit replaces worn friction and steel plates with upgraded materials that resist heat fade...11313830- SKU:
- 11313830
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
$99.95 -
VINTCO Clutch Plate Kit - YZ 80 KCLY22
VINTCO
$99.95A worn or slipping clutch compromises power delivery and throttle response—critical factors whether you're racing or trail riding. The VINTCO Clutch Plate Kit restores full engagement and fade-free performance with OEM-equivalent fitment, eliminating the...11313831- SKU:
- 11313831
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
$99.95 -
MOOSE RACING Pro Chain Guide - Black - Gas Gas/Husqvarna/KTM/Sherco PX1612
MOOSE RACING
$99.95A chain guide protects your drivetrain from lateral movement and mud buildup that can cause premature wear, noise, and power loss. The MOOSE RACING Pro Chain Guide keeps your chain centered and running efficiently, reducing maintenance intervals and...12311538- SKU:
- 12311538
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$99.95 -
MOOSE RACING Pro Chain Guide - Black - Gas Gas/Husqvarna/KTM/Sherco PX1616
MOOSE RACING
$49.95Chain slap and lateral movement waste power and accelerate wear on both your chain and sprockets—especially during aggressive off-road riding. The MOOSE RACING Pro Chain Guide eliminates that inefficiency by keeping your chain perfectly centered and...12311539- SKU:
- 12311539
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$49.95 -
Hinson Racing Clutch Basket Honda CRF250R 2018-2021 H794-B-1804
HINSON RACING
$284.99If you're running a CRF250R in competitive or high-stress conditions, clutch reliability is non-negotiable. This Hinson Racing Clutch Basket delivers the durability and precise power transfer you need to maintain consistent performance lap after lap,...11321571- SKU:
- 11321571
- Availability:
- Ships Same Business Day
- Weight:
- 1.28 LBS
$284.99 -
JT SPROCKETS Rear Sprocket - 38 Tooth - Kymco JTR1072.38
JT SPROCKETS
$26.30A worn or mismatched rear sprocket directly impacts your Kymco's acceleration, top-end speed, and overall drivability. The JT Sprockets 38-tooth rear sprocket is engineered for reliable power delivery with minimal rotational mass, ensuring consistent...12100389- SKU:
- 12100389
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
$26.30 -
JT SPROCKETS Rear Sprocket - 49 Tooth - CRF125FB JTR1204.49
JT SPROCKETS
$25.03A worn or damaged rear sprocket directly impacts your CRF125FB's acceleration, top speed, and overall drivetrain efficiency. The JT Sprockets 49-tooth rear sprocket restores optimal power delivery to the rear wheel with a precision-engineered design that...12101441- SKU:
- 12101441
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
$25.03 -
JT SPROCKETS Countershaft Sprocket - 11 Tooth - XR250R/L JTF327.11
JT SPROCKETS
$11.95Your XR250R/L's drivetrain performance depends on precise power transfer from engine to wheels, and a worn or inadequate countershaft sprocket introduces slop, reduces acceleration response, and accelerates wear on your chain and rear sprocket. The JT...12121316- SKU:
- 12121316
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$11.95 -
JT SPROCKETS Countershaft Sprocket - 13 Tooth - Honda JTF1345.13RB
JT SPROCKETS
$14.65Worn or incorrect countershaft sprockets directly impact power delivery, throttle response, and overall drivetrain efficiency. This 13-tooth JT sprocket restores precise gear engagement while the SCM420 chromoly construction ensures durability through...12121686- SKU:
- 12121686
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$14.65 -
JT SPROCKETS Countershaft Sprocket - 15 Tooth - Husqvarna/KTM JTF1902.15RB
JT SPROCKETS
$17.08A worn or incorrect countershaft sprocket directly impacts your bike's acceleration, top-end performance, and overall drivetrain efficiency. Whether you're dialing in gearing for track conditions or replacing a damaged sprocket, the JT Sprockets 15-tooth...12121687- SKU:
- 12121687
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$17.08 -
JT SPROCKETS Countershaft Sprocket - 16 Tooth - Beta JTF432.16
JT SPROCKETS
$14.20A reliable countershaft sprocket is critical for maintaining precise power delivery and chain engagement in your Beta drivetrain. This JT Sprockets 16-tooth unit is engineered from SCM420 chromoly steel—a material choice that delivers superior wear...12121929- SKU:
- 12121929
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$14.20
