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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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  • Qty in Cart
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  •  Z1R Youth F.I. Cheek Pads - Black - 20 mm - Small 0134-3054

    Z1R Youth F.I. Cheek Pads - Black - 20 mm - Small 0134-3054

    Z1R

    $19.95
    Youth riders need helmet cheek pads that maintain a secure, comfortable fit throughout their racing season. Worn or compressed padding compromises both safety and comfort, affecting helmet retention and fit consistency. These OEM Z1R replacement cheek...
    01343054
    SKU:
    01343054
    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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  •  Z1R Youth F.I. Cheek Pads - Black - 15 mm - Medium 0134-3055

    Z1R Youth F.I. Cheek Pads - Black - 15 mm - Medium 0134-3055

    Z1R

    $19.95
    Youth riders need helmet padding that maintains its shape and comfort through countless sessions. Z1R cheek pads wear down over time from sweat, moisture, and regular use—replacing them keeps your helmet's fit secure and your child's safety optimized...
    01343055
    SKU:
    01343055
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    $19.95
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    $19.95
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  •  Z1R Youth F.I. Cheek Pads - Black - 10 mm - Large 0134-3056

    Z1R Youth F.I. Cheek Pads - Black - 10 mm - Large 0134-3056

    Z1R

    $19.95
    Youth riders need a secure, comfortable fit to stay focused on the track or road—and deteriorating cheek pads compromise both safety and performance. These replacement Z1R Youth F.I. cheek pads restore the proper fit and padding integrity of your helmet,...
    01343056
    SKU:
    01343056
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    $19.95
    Qty in Cart: 0
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    $19.95
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  •  Z1R Youth F.I. Liner - Black - 14 mm - Small 0134-3057  Z1R Youth F.I. Liner - Black - 14 mm - Small 0134-3057

    Z1R Youth F.I. Liner - Black - 14 mm - Small 0134-3057

    Z1R

    $19.95
    Helmet liners deteriorate with regular use—sweat, UV exposure, and impact wear down comfort and hygiene over time. This genuine Z1R replacement liner restores your youth helmet to factory condition, ensuring proper fit, moisture management, and safety...
    01343057
    SKU:
    01343057
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    $19.95
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  •  Z1R Youth F.I. Liner - Black - 12 mm - Medium 0134-3058  Z1R Youth F.I. Liner - Black - 12 mm - Medium 0134-3058

    Z1R Youth F.I. Liner - Black - 12 mm - Medium 0134-3058

    Z1R

    $19.95
    A properly fitted helmet liner is essential for comfort, safety, and hygiene during extended track sessions. This genuine Z1R replacement liner ensures your youth F.I. helmet maintains optimal cushioning and moisture management, keeping young drivers...
    01343058
    SKU:
    01343058
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    $19.95
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  •  Z1R Youth F.I. Liner - Black - 10 mm - Large 0134-3059  Z1R Youth F.I. Liner - Black - 10 mm - Large 0134-3059

    Z1R Youth F.I. Liner - Black - 10 mm - Large 0134-3059

    Z1R

    $19.95
    Keep your Z1R Youth F.I. helmet in peak condition with this OEM replacement liner. Whether your current liner has degraded from regular use or you simply want a fresh, hygienic fit, this replacement ensures your helmet maintains its original comfort and...
    01343059
    SKU:
    01343059
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    $19.95
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    $19.95
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  •  MOOSE RACING Intake Valve M40-41650

    MOOSE RACING Intake Valve M40-41650

    MOOSE RACING

    $196.95
    Stock intake valves are often the limiting factor in engine breathing efficiency—premature wear and suboptimal flow characteristics directly impact power output and reliability. The MOOSE RACING M40-41650 addresses this with precision engineering that...
    09263371
    SKU:
    09263371
    Availability:
    Ships Same Business Day
    Weight:
    0.46 LBS
    $196.95
    Qty in Cart: 0
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    $196.95
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  •  MOOSE RACING Exhaust Valve M30-34010

    MOOSE RACING Exhaust Valve M30-34010

    MOOSE RACING

    $196.95
    Stock exhaust valves reach their limits in high-performance applications, leading to premature wear and reduced engine reliability. The MOOSE RACING M30-34010 extends valve train life up to 4x longer than OEM titanium components while delivering improved...
    09263374
    SKU:
    09263374
    Availability:
    Ships Same Business Day
    Weight:
    0.46 LBS
    $196.95
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    $196.95
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  •  MOOSE RACING Valve Seal Kit M30-34020

    MOOSE RACING Valve Seal Kit M30-34020

    MOOSE RACING

    $15.95
    Worn or degraded valve seals cause oil consumption, compression loss, and poor combustion efficiency—problems that compound quickly under racing or high-load conditions. The MOOSE RACING M30-34020 Valve Seal Kit delivers precision-engineered seals with...
    09263375
    SKU:
    09263375
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    $15.95
    Qty in Cart: 0
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    $15.95
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  •  MOOSE RACING Valve Seal Kit M40-41680

    MOOSE RACING Valve Seal Kit M40-41680

    MOOSE RACING

    $15.95
    Engine valve seals naturally degrade under heat and combustion pressures, leading to oil leakage, blue smoke, and reduced compression. The MOOSE RACING Valve Seal Kit M40-41680 replaces worn seals with precision-engineered components that restore proper...
    09263376
    SKU:
    09263376
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
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    $15.95
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  •  IMS PRODUCTS INC. Large-Capacity Gas Tank - Black - KTM - 4.5 Gallon 113348-BK1

    IMS PRODUCTS INC. Large-Capacity Gas Tank - Black - KTM - 4.5 Gallon 113348-BK1

    IMS PRODUCTS INC.

    $476.57
    Extended fuel range is critical for off-road endurance events where refueling opportunities are limited or non-existent. The IMS Products large-capacity gas tank increases your KTM's range by 50% compared to OEM tanks, allowing you to focus on...
    07010965
    SKU:
    07010965
    Availability:
    Ships Same Business Day
    Weight:
    8.15 LBS
    $476.57
    Qty in Cart: 0
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    $476.57
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  •  IMS PRODUCTS INC. Large-Capacity Gas Tank - Black - Kawasaki - 2.7 Gallon 113159-BK1

    IMS PRODUCTS INC. Large-Capacity Gas Tank - Black - Kawasaki - 2.7 Gallon 113159-BK1

    IMS PRODUCTS INC.

    $441.29
    Extended range is non-negotiable for serious off-road and racing applications where refueling opportunities are limited. The IMS Products 2.7-gallon capacity tank delivers a significant increase over OEM specifications, allowing you to focus on...
    07010966
    SKU:
    07010966
    Availability:
    Ships Same Business Day
    Weight:
    4.85 LBS
    $441.29
    Qty in Cart: 0
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    $441.29
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  •  IMS PRODUCTS INC. Large-Capacity Gas Tank - Black - Yamaha - 3.0 Gallon 117333-BK1  IMS PRODUCTS INC. Large-Capacity Gas Tank - Black - Yamaha - 3.0 Gallon 117333-BK1

    IMS PRODUCTS INC. Large-Capacity Gas Tank - Black - Yamaha - 3.0 Gallon 117333-BK1

    IMS PRODUCTS INC.

    $441.29
    Extended trail time demands an extended fuel capacity. This 3.0-gallon tank replaces your stock unit, eliminating range anxiety on longer rides and reducing pit stops during competitive events. Built from high-density polyethylene, it delivers durability...
    07010969
    SKU:
    07010969
    Availability:
    Ships Same Business Day
    Weight:
    5.12 LBS
    $441.29
    Qty in Cart: 0
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    $441.29
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  • TWIN AIR Twin Air Standard Air Filter Gas Gas Husqvarna KTM 125-450cc 2022-2025 154118

    Twin Air Standard Air Filter Gas Gas Husqvarna KTM 125-450cc 2022-2025 154118

    TWIN AIR

    $38.95
    Engine protection and performance are only as good as your air filtration system. The Twin Air Standard Air Filter delivers proven filtration efficiency across Gas Gas, Husqvarna, and KTM platforms (2022-2025), keeping fine dust and abrasive particles...
    10114628
    SKU:
    10114628
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    $38.95
    Qty in Cart: 0
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    $38.95
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  • TWIN AIR Twin Air Replacement Backfire Air Filter for Gas Gas Husqvarna KTM 2024 154224FR TWIN AIR Twin Air Replacement Backfire Air Filter for Gas Gas Husqvarna KTM 2024 154224FR

    Twin Air Replacement Backfire Air Filter for Gas Gas Husqvarna KTM 2024 154224FR

    TWIN AIR

    $43.95
    Stock backfire screens throttle airflow and compromise engine efficiency. The Twin Air Replacement Backfire Air Filter eliminates this restriction while maintaining safety through an integrated backfire-resistant foam layer, giving you cleaner power...
    10114629
    SKU:
    10114629
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    $43.95
    Qty in Cart: 0
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    $43.95
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  • TWIN AIR Twin Air Air Filter 2022 TM EN 125 144 250 300 MX 250 300 TM 158161 TWIN AIR Twin Air Air Filter 2022 TM EN 125 144 250 300 MX 250 300 TM 158161

    Twin Air Air Filter 2022 TM EN 125 144 250 300 MX 250 300 TM 158161

    TWIN AIR

    $38.95
    A compromised air filter forces your engine to work harder while drawing in contaminants that accelerate wear. The Twin Air 158161 delivers efficient filtration with its dual-layer foam construction, maintaining optimal airflow while capturing fine...
    10114632
    SKU:
    10114632
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    $38.95
    Qty in Cart: 0
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    $38.95
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  • TWIN AIR Twin Air Standard Air Filter 2022 TM EN 250 EN 450 EFI MX 250 Fi MX 450 Fi 158162

    Twin Air Standard Air Filter 2022 TM EN 250 EN 450 EFI MX 250 Fi MX 450 Fi 158162

    TWIN AIR

    $38.95
    Keep your 2022 TM MX and EN models breathing clean air lap after lap. This Twin Air Standard filter combines dual-layer foam construction with a precision sealing ring to maintain peak engine performance while protecting against dirt and debris ingestion...
    10114633
    SKU:
    10114633
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    $38.95
    Qty in Cart: 0
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    $38.95
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  • TWIN AIR Twin Air Pre-Oiled Air Filter for Gas Gas Husqvarna KTM 2022-2025 154118X TWIN AIR Twin Air Pre-Oiled Air Filter for Gas Gas Husqvarna KTM 2022-2025 154118X

    Twin Air Pre-Oiled Air Filter for Gas Gas Husqvarna KTM 2022-2025 154118X

    TWIN AIR

    $43.95
    Engine protection starts with clean air. The Twin Air Pre-Oiled Air Filter delivers dual-stage filtration—coarse outer foam traps large particles while a fine inner layer captures smaller contaminants—ensuring maximum airflow without compromising...
    10114634
    SKU:
    10114634
    Availability:
    Ships Same Business Day
    Weight:
    0.17 LBS
    $43.95
    Qty in Cart: 0
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    $43.95
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  • TWIN AIR Twin Air Airbox Cover KTM Husqvarna 2022-2023 160127 TWIN AIR Twin Air Airbox Cover KTM Husqvarna 2022-2023 160127

    Twin Air Airbox Cover KTM Husqvarna 2022-2023 160127

    TWIN AIR

    $47.95
    Airbox maintenance on modern KTM and Husqvarna models demands precision—moisture and cleaning solutions can compromise your intake system if left unchecked. The Twin Air Airbox Cover isolates your intake during pressure washing and detailed cleaning,...
    10140334
    SKU:
    10140334
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    $47.95
    Qty in Cart: 0
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    Price:
    $47.95
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  •  MOOSE RACING SX-1 Wheel Spacer - Front - Gloss Black - Honda HF-WSP-KIT

    MOOSE RACING SX-1 Wheel Spacer - Front - Gloss Black - Honda HF-WSP-KIT

    MOOSE RACING

    $12.95
    Proper wheel fitment directly impacts your vehicle's handling precision, brake cooling, and suspension geometry—especially during high-performance driving. These OEM-specification spacers restore the exact offset and clearance your Honda requires when...
    02220614
    SKU:
    02220614
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    $12.95
    Qty in Cart: 0
    Quantity:
    Price:
    $12.95
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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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