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Dirt Bike

Dirt Bike

Browse over 50,000+ off-roading dirt bike parts and gear ready to be delivered to your doorstep. We offer riding gear & apparel at great prices. Along with parts and tools you need to keep the bike on the track or trails. Shop the biggest names in the motocross industry from Renthal, Dunlop, Thor, Maxima, Pro Circuit, Bill's Pipes, FMF, Excel and so many more. From dirt bike engine parts to new clutches we have what you need to stay one step ahead of your competition. Have a fitment question? reach out to our phone line at (231) 767-5055

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  • On Sale
     PROX Gasket Kit - Complete - Suzuki 34.3316

    PROX Gasket Kit - Complete - Suzuki 34.3316

    PROX

    MSRP: $120.95
    Now: $98.00
    Was: $120.95
    A complete engine rebuild demands precision sealing—and compromising on gasket quality invites oil leaks, compression loss, and catastrophic failure. The PROX Gasket Kit 34.3316 consolidates every seal you need for Suzuki top-end and full-engine...
    09345576
    SKU:
    09345576
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MSRP: $120.95
    Now: $98.00
    Was: $120.95
    Qty in Cart: 0
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    MSRP: $120.95
    Now: $98.00
    Was: $120.95
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  • RENTHAL Renthal Fatbar36 McGrath Bend Handlebar for 2016+ KTM SX125-450 Black 932-01-BK RENTHAL Renthal Fatbar36 McGrath Bend Handlebar for 2016+ KTM SX125-450 Black 932-01-BK

    Renthal Fatbar36 McGrath Bend Handlebar for 2016+ KTM SX125-450 Black 932-01-BK

    RENTHAL

    $246.13
    If you're running a modern KTM SX in competition or serious trail riding, handlebar weight and material quality directly impact your control and fatigue levels over a full moto. The Renthal Fatbar36 McGrath combines Zarilium® alloy construction with a...
    06015685
    SKU:
    06015685
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    $246.13
    Qty in Cart: 0
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    $246.13
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  •  PARTS UNLIMITED Starter Motor 410-54136

    PARTS UNLIMITED Starter Motor 410-54136

    PARTS UNLIMITED

    $153.97
    A reliable starter motor is critical for consistent engine ignition, especially under demanding racing and high-performance conditions. The PARTS UNLIMITED 410-54136 is engineered to meet or exceed OEM specifications while delivering extended service...
    21100684
    SKU:
    21100684
    Availability:
    Ships Same Business Day
    Weight:
    2.45 LBS
    $153.97
    Qty in Cart: 0
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    $153.97
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  •  PARTS UNLIMITED 428 - Drive Chain - 130 Links T428130

    PARTS UNLIMITED 428 - Drive Chain - 130 Links T428130

    PARTS UNLIMITED

    $20.95
    A reliable 428 chain is fundamental to any small-displacement engine setup, whether you're running a go-kart, minibike, or pit bike. This Parts Unlimited option delivers consistent power transmission without the premium price tag, allowing you to...
    T428130
    SKU:
    T428130
    Availability:
    Ships Same Business Day
    Weight:
    2.45 LBS
    $20.95
    Qty in Cart: 0
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    $20.95
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  •  PARTS UNLIMITED Rear Sprocket - 47 Tooth - Kawasaki/Suzuki 42041-152847

    PARTS UNLIMITED Rear Sprocket - 47 Tooth - Kawasaki/Suzuki 42041-152847

    PARTS UNLIMITED

    $21.37
    A worn or mismatched rear sprocket directly impacts your bike's acceleration, top speed, and overall drivability. Whether you're fine-tuning your gearing for track conditions or replacing a damaged sprocket, this OEM-spec 47-tooth unit delivers the...
    12100286
    SKU:
    12100286
    Availability:
    Ships Same Business Day
    Weight:
    1.60 LBS
    $21.37
    Qty in Cart: 0
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    $21.37
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  •  PARTS UNLIMITED Black Vinyl Clutch Cable - Honda 22870-KS6-000

    PARTS UNLIMITED Black Vinyl Clutch Cable - Honda 22870-KS6-000

    PARTS UNLIMITED

    $14.95
    A worn or damaged clutch cable compromises your ability to engage and disengage gears reliably—a critical safety and performance issue. This OEM-equivalent replacement from Parts Unlimited restores precise clutch actuation with a cable that meets or...
    K285502L
    SKU:
    K285502L
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    $14.95
    Qty in Cart: 0
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    $14.95
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  •  PARTS UNLIMITED Rear Sprocket - 37 Tooth - Honda 41201-GEL-70037

    PARTS UNLIMITED Rear Sprocket - 37 Tooth - Honda 41201-GEL-70037

    PARTS UNLIMITED

    $18.31
    A worn or damaged rear sprocket compromises acceleration, top-end performance, and drivetrain efficiency. The PARTS UNLIMITED 37-tooth rear sprocket restores OEM-spec engagement and durability, ensuring reliable power delivery to your Honda's rear wheel...
    12100371
    SKU:
    12100371
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    $18.31
    Qty in Cart: 0
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    $18.31
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  •  PC RACING Helmet Mohawk - Pink PCHMPINK

    PC RACING Helmet Mohawk - Pink PCHMPINK

    PC RACING

    $19.95
    Whether you're hitting the track or cruising the streets, your helmet is personal—so why settle for plain? The PC Racing Helmet Mohawk lets you express your style without compromising function, staying securely fastened at speeds exceeding 200 mph...
    01360014
    SKU:
    01360014
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    $19.95
    Qty in Cart: 0
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    $19.95
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  •  PC RACING Helmet Mohawk - Red PCHMRED

    PC RACING Helmet Mohawk - Red PCHMRED

    PC RACING

    $19.95
    Whether you're logging hours at the track or cruising to the next car meet, a PC Racing Helmet Mohawk instantly elevates your look while adding that unmistakable attitude. This adhesive-backed accessory cuts through the noise with bold styling that...
    01360012
    SKU:
    01360012
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    $19.95
    Qty in Cart: 0
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    $19.95
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  •  PIVOT WORKS Linkage Rebuild Kit PWLK-K18-000

    PIVOT WORKS Linkage Rebuild Kit PWLK-K18-000

    PIVOT WORKS

    $136.45
    Worn linkage components compromise your suspension's precision and handling—and they only get worse with continued use. This rebuild kit restores your vehicle's suspension geometry to spec without the downtime of sourcing individual parts. Get back to...
    13020403
    SKU:
    13020403
    Availability:
    Ships Same Business Day
    Weight:
    1.29 LBS
    $136.45
    Qty in Cart: 0
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    $136.45
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  •  PSR MX Lite Lift 00-00113-02

    PSR MX Lite Lift 00-00113-02

    PSR

    $81.95
    Whether you're performing routine maintenance or prepping your bike for the next race, a dedicated lift stand is non-negotiable for safe, efficient work. The PSR MX Lite Lift delivers the durability and stability you need without the bulk—engineered for...
    41100118
    SKU:
    41100118
    Availability:
    Ships Same Business Day
    Weight:
    13.95 LBS
    $81.95
    Qty in Cart: 0
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    $81.95
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  •  PSR Mirror - Denali - Dual Sport/Universal - Black 00-00214-22

    PSR Mirror - Denali - Dual Sport/Universal - Black 00-00214-22

    PSR

    $37.95
    If you're running dual-sport or off-road setups where visibility matters and mounting flexibility is non-negotiable, the PSR Mirror delivers both. The CNC-machined billet aluminum construction handles vibration and harsh conditions without compromise,...
    06401187
    SKU:
    06401187
    Availability:
    Ships Same Business Day
    Weight:
    0.76 LBS
    $37.95
    Qty in Cart: 0
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    $37.95
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  • PRO CIRCUIT Pro Circuit Shift Shaft Brace for Honda CRF110F 2013-2025 2312101

    Pro Circuit Shift Shaft Brace for Honda CRF110F 2013-2025 2312101

    PRO CIRCUIT

    $59.95
    The shift shaft on your CRF110F endures constant stress during aggressive riding, and even minor flex can compromise shifting precision and long-term reliability. The PRO CIRCUIT Shift Shaft Brace locks down the shift mechanism, reducing unwanted...
    11100096
    SKU:
    11100096
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    $59.95
    Qty in Cart: 0
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    $59.95
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  • PRO CIRCUIT Pro Circuit Straw Hat One Size 6714105-0200

    Pro Circuit Straw Hat One Size 6714105-0200

    PRO CIRCUIT

    $24.95
    Whether you're spending a day at the track, managing pit crew duties, or heading out for casual motorsports events, sun exposure and heat management matter. The Pro Circuit Straw Hat delivers practical sun protection with a lightweight design that won't...
    25013889
    SKU:
    25013889
    Availability:
    Ships Same Business Day
    Weight:
    0.41 LBS
    $24.95
    Qty in Cart: 0
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    $24.95
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  • PRO CIRCUIT Pro Circuit Works Pipe 2018 Husqvarna TC125 2018 KTM 125 SX 150 SX 0751812

    Pro Circuit Works Pipe 2018 Husqvarna TC125 2018 KTM 125 SX 150 SX 0751812

    PRO CIRCUIT

    $337.95
    The Pro Circuit Works Pipe delivers measurable gains in horsepower and throttle response by optimizing exhaust scavenging across the entire RPM band. If you're serious about extracting every bit of performance from your 125cc two-stroke, a properly...
    18201832
    SKU:
    18201832
    Availability:
    Ships Same Business Day
    Weight:
    4.00 LBS
    Qty in Cart: 0
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    $337.95
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  • PRO FILTER Pro Filter Pre-Oiled Air Filter for Kawasaki Brute Force 750 2025 AFR-3001-01

    Pro Filter Pre-Oiled Air Filter for Kawasaki Brute Force 750 2025 AFR-3001-01

    PRO FILTER

    $13.99
    A restrictive factory air filter costs you measurable horsepower and throttle response. The Pro Filter Pre-Oiled Air Filter replaces that constraint with a dual-stage foam matrix that flows significantly more air while maintaining effective...
    10111754
    SKU:
    10111754
    Availability:
    Ships Same Business Day
    Weight:
    0.17 LBS
    Qty in Cart: 0
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    $13.99
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  • On Sale
     PROX Top End Gasket Set - Kawasaki KX 450 F 35.4419

    PROX Top End Gasket Set - Kawasaki KX 450 F 35.4419

    PROX

    MSRP: $93.95
    Now: $76.00
    Was: $93.95
    A top-end rebuild demands precision gaskets that won't fail under combustion pressures and extreme heat cycles. The PROX Top End Gasket Set eliminates the risk of compression leaks and coolant seepage that compromise engine performance and reliability...
    09345771
    SKU:
    09345771
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    MSRP: $93.95
    Now: $76.00
    Was: $93.95
    Qty in Cart: 0
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    MSRP: $93.95
    Now: $76.00
    Was: $93.95
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  • On Sale
     PROX Top End Gasket Set - Honda 35.1348

    PROX Top End Gasket Set - Honda 35.1348

    PROX

    MSRP: $84.95
    Now: $72.00
    Was: $84.95
    A failing top-end gasket set will compromise cylinder head sealing, leading to coolant leaks, oil seepage, and lost compression—all of which degrade engine performance and reliability. The PROX 35.1348 provides everything you need for a complete Honda...
    09347108
    SKU:
    09347108
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    MSRP: $84.95
    Now: $72.00
    Was: $84.95
    Qty in Cart: 0
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    MSRP: $84.95
    Now: $72.00
    Was: $84.95
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  • On Sale
     PROX Top End Gasket Set - Honda 35.1419

    PROX Top End Gasket Set - Honda 35.1419

    PROX

    MSRP: $84.95
    Now: $72.00
    Was: $84.95
    A top-end rebuild demands gaskets that won't fail under combustion pressures and thermal cycling. The PROX 35.1419 delivers precision-engineered sealing surfaces using premium materials, ensuring your Honda engine maintains compression and prevents...
    09347111
    SKU:
    09347111
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MSRP: $84.95
    Now: $72.00
    Was: $84.95
    Qty in Cart: 0
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    MSRP: $84.95
    Now: $72.00
    Was: $84.95
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  • On Sale
     PROX Top End Gasket Set - Honda XR650L 35.1623  PROX Top End Gasket Set - Honda XR650L 35.1623

    PROX Top End Gasket Set - Honda XR650L 35.1623

    PROX

    MSRP: $67.95
    Now: $55.00
    Was: $67.95
    A top-end rebuild demands precision and reliability—compromise here and you're risking blow-by, compression loss, and catastrophic engine failure. The PROX Top End Gasket Set for the Honda XR650L gives you OEM-equivalent sealing with the durability to...
    09347118
    SKU:
    09347118
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    MSRP: $67.95
    Now: $55.00
    Was: $67.95
    Qty in Cart: 0
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    Price:
    MSRP: $67.95
    Now: $55.00
    Was: $67.95
    Subtotal:
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Adding your products to cart

Dirt Bike Parts
Whether you're an avid motocross racer or a weekend off-road enthusiast, having the right dirt bike parts can make all the difference in performance and durability. Below are some key categories of dirt bike parts that can help you keep your machine in top condition and enhance your riding experience.

 

Dirt Bike Exhaust Parts
Dirt bike exhaust parts are crucial for optimizing your bike's performance. A high-quality exhaust system can improve your bike's power output and overall efficiency. From full exhaust systems to mufflers and silencers, the right components can not only boost performance but also provide the perfect sound that suits your style.

 

MX Dirt Bike Aftermarket Parts
MX dirt bike aftermarket parts include a wide range of components designed to replace and upgrade your bike's stock parts. Whether you're looking for enhanced suspension systems, robust brake components, or stylish handlebars, aftermarket parts offer the customization options needed to tailor your bike to your specific riding preferences and needs.

 

2-Stroke Dirt Bike Engine Parts
For those riding 2-stroke dirt bikes, having access to reliable engine parts is essential. This category includes everything from pistons and cylinders to carburetors and gaskets. Quality engine parts ensure that your bike runs smoothly and efficiently, providing the power and performance you need on the track or trail.

 

Motocross Dirt Bike Parts
Motocross dirt bike parts span a broad array of components designed for competitive racing and hardcore riding. This includes advanced suspension systems, heavy-duty tires, reinforced frames, and high-performance braking systems. Essential for riders who push their bikes to the limits, these parts help ensure safety, reliability, and peak performance.

 

Oils
Selecting the right oils for your dirt bike is crucial for maintaining engine health and performance. From engine oils to transmission fluids and fork oils, high-quality lubricants reduce friction and wear, extending the life of your engine and other key components. Ensuring that you're using the proper oils can lead to a smoother and more reliable riding experience.

 

 

Whether you’re riding tracks, trails, or hare scrambles we have the perfect dirt bike aftermarket accessory or part for ripping holeshots and riding through the woods, look no further than JJ Motorsports. With a full selection of four-stroke and two-stroke pipes as well as tools to keep your ride running smoothly from headlight bulbs all the way down to oil changes, we have what it takes! Need replacement parts for upgrades? We have the latest aftermarket parts to replace clutches, top-end kits, and forks from popular brands.


We carry general maintenance products like engine oils and coolants, in addition, we have a large selection of parts for bike-specific applications for a certain year, make, and model. 


We at JJ Motorsports know that finding the right parts can be a pain, which is why we handpick every single one of our dirt bike components. No more guessing games or getting stuck with parts from other places! Our team has been in this industry for years so if you need help just call them at 1-231-767-5055 and they'll provide advice based on their personal experience as well as history within motorsports retailing - guaranteed to get things taken care of quickly without sacrificing quality.
 
Motocross Classes Common at Races
Popular motocross racing divisions/classes across the United States include:
Open Classes
250 A/B/C
Schoolboy/College Boy
Supermini
85cc
65cc
50cc 
 
Dirt Bike Racing for Beginners and Pro-Am's
AMA - American Motorcyclist Association
 
Popular Amateur Nationals and Series
Loretta Lynns MX Racing Nationals
Winter Olympics Mini O’s 
Baja Acres Baja Brawl
Kicker AMA Areanacross Championship
Midsouth Areanacross
The MotoPlayGround Race at Ponca City

and many more!
 
JJ Motorsports offers fast and free shipping on orders over $99 for aftermarket dirt bike parts and accessories delivered right to you!

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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