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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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  • MOOSE RACING Brake Line - Stainless Steel K01-2-025/P MOOSE RACING Brake Line - Stainless Steel K01-2-025/P

    MOOSE RACING Brake Line - Stainless Steel K01-2-025/P

    MOOSE RACING

    $41.95
    Stock rubber brake lines expand under pressure, creating a spongy pedal feel and delayed braking response—exactly what you don't want on track or during hard stops. This MOOSE RACING stainless steel brake line eliminates line expansion, delivering direct...
    17416496
    SKU:
    17416496
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    $41.95
    Qty in Cart: 0
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    $41.95
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  • MOOSE RACING Wheel Assembly - SX-1 - Complete - Rear - Black Wheel/Gray Hub - 14x1.6 MR21-16014-BKGY

    MOOSE RACING Wheel Assembly - SX-1 - Complete - Rear - Black Wheel/Gray Hub - 14x1.6 MR21-16014-BKGY

    MOOSE RACING

    $299.95
    When you're pushing your bike to the limit, your wheels are the critical interface between engine power and track grip. The MOOSE RACING SX-1 rear wheel assembly delivers the structural integrity and lightweight performance that separates consistent lap...
    02040685
    SKU:
    02040685
    Availability:
    Ships Same Business Day
    Weight:
    7.80 LBS
    Qty in Cart: 0
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    $299.95
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  • Pro Circuit 304 Silencer KTM 65 SX 2024-2025 1052465

    Pro Circuit 304 Silencer KTM 65 SX 2024-2025 1052465

    PRO CIRCUIT

    $205.95
    The Pro Circuit 304 Silencer delivers genuine noise reduction without sacrificing the exhaust flow your KTM 65 SX needs for competitive performance. Its extended body design effectively dampens sound while maintaining low back-pressure, making it...
    18212103
    SKU:
    18212103
    Availability:
    Ships Same Business Day
    Weight:
    1.81 LBS
    $205.95
    Qty in Cart: 0
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    $205.95
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  • Pro Circuit R-304 Silencer for KTM 65 SX 2024-2025 1152465

    Pro Circuit R-304 Silencer for KTM 65 SX 2024-2025 1152465

    PRO CIRCUIT

    $206.29
    The Pro Circuit R-304 Silencer delivers the performance exhaust characteristics your KTM 65 SX demands while maintaining street-legal sound levels and exceptional durability. Built with premium stainless steel and aluminum construction, this silencer...
    18212104
    SKU:
    18212104
    Availability:
    Ships Same Business Day
    Weight:
    1.75 LBS
    $206.29
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    $206.29
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  • Pro Circuit Ti-2 Silencer KTM 65 SX 2024-2025 1152465K Pro Circuit Ti-2 Silencer KTM 65 SX 2024-2025 1152465K

    Pro Circuit Ti-2 Silencer KTM 65 SX 2024-2025 1152465K

    PRO CIRCUIT

    $446.95
    For closed-course racing, exhaust noise restriction is often non-negotiable—the Pro Circuit Ti-2 Silencer delivers track-legal sound dampening without sacrificing the power output your KTM 65 SX demands. By combining titanium construction with a carbon...
    18212105
    SKU:
    18212105
    Availability:
    Ships Same Business Day
    Weight:
    1.41 LBS
    $446.95
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  • Pro Circuit 296 Silencer KTM 65 SX 2024-2025 1352465

    Pro Circuit 296 Silencer KTM 65 SX 2024-2025 1352465

    PRO CIRCUIT

    $202.95
    If you're running a KTM 65 SX, you know that peak performance and staying trail-legal aren't mutually exclusive. The Pro Circuit 296 Silencer delivers U.S. Forest Service approval while maintaining your bike's power output—no tuning adjustments needed...
    18212106
    SKU:
    18212106
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    Ships Same Business Day
    Weight:
    2.52 LBS
    $202.95
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    $202.95
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  • Pro Circuit Works Pipe Exhaust System KTM 65 SX 2024-2025 0752465

    Pro Circuit Works Pipe Exhaust System KTM 65 SX 2024-2025 0752465

    PRO CIRCUIT

    $322.95
    The Pro Circuit Works Pipe exhaust system is engineered to maximize exhaust scavenging and engine breathing on your KTM 65 SX, directly translating to sharper throttle response and improved power delivery in the powerband. Hand-welded construction and...
    18220552
    SKU:
    18220552
    Availability:
    Ships Same Business Day
    Weight:
    2.70 LBS
    $322.95
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    $322.95
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  • Pro Circuit Platinum Pipe Exhaust System KTM 65 SX 2024-2025 0852465

    Pro Circuit Platinum Pipe Exhaust System KTM 65 SX 2024-2025 0852465

    PRO CIRCUIT

    $337.95
    The Pro Circuit Platinum Pipe Exhaust System delivers measurable gains in exhaust scavenging and engine efficiency for your KTM 65 SX, translating to sharper throttle response and improved power delivery across the rev range. Hand-welded AKDQ carbon...
    18220553
    SKU:
    18220553
    Availability:
    Ships Same Business Day
    Weight:
    2.81 LBS
    $337.95
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    $337.95
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  • Pro Filter Pre-Oiled Air Filter Yamaha YZ450F 2010-2013 AFR-2010-03

    Pro Filter Pre-Oiled Air Filter Yamaha YZ450F 2010-2013 AFR-2010-03

    PRO FILTER

    $13.99
    A high-flowing air filter is fundamental to extracting maximum performance from your YZ450F's engine. This pre-oiled filter eliminates the common bottleneck of restrictive OEM filtration, delivering improved throttle response and measurable horsepower...
    10114946
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    10114946
    Availability:
    Ships Same Business Day
    Weight:
    0.18 LBS
    $13.99
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  • On Sale
    PROX Cam Chain - 92RH2015 - 104 Links - Gas Gas | Honda | Husqvarna | KTM | Sherco 31.1335 PROX Cam Chain - 92RH2015 - 104 Links - Gas Gas | Honda | Husqvarna | KTM | Sherco 31.1335

    PROX Cam Chain - 92RH2015 - 104 Links - Gas Gas | Honda | Husqvarna | KTM | Sherco 31.1335

    PROX

    MSRP: $99.95
    Now: $68.00
    Was: $99.95
    A compromised cam chain directly impacts engine timing precision and reliability—especially critical in high-demand racing and off-road applications. The PROX 92RH2015 is engineered to OEM specifications with Borg Warner's Japanese manufacturing...
    09250355
    SKU:
    09250355
    Availability:
    Ships Same Business Day
    Weight:
    0.46 LBS
    MSRP: $99.95
    Now: $68.00
    Was: $99.95
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    MSRP: $99.95
    Now: $68.00
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  • Rekluse EXP 4.0 Clutch Kit for Suzuki DR650S 1996-2025 RMS-8106010 Rekluse EXP 4.0 Clutch Kit for Suzuki DR650S 1996-2025 RMS-8106010

    Rekluse EXP 4.0 Clutch Kit for Suzuki DR650S 1996-2025 RMS-8106010

    REKLUSE

    $749.00
    The Rekluse EXP 4.0 transforms the DR650S into a machine that works with you instead of against you. By eliminating stalls and automating clutch engagement, you'll maintain momentum and control across technical terrain, rocky climbs, and unpredictable...
    11300849
    SKU:
    11300849
    Availability:
    Ships Same Business Day
    Weight:
    2.07 LBS
    $749.00
    Qty in Cart: 0
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    $749.00
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  • Rekluse RadiusCX 4.0 Clutch Kit KTM 250 EXC-F 2023-2025 RMS-8913191

    Rekluse RadiusCX 4.0 Clutch Kit KTM 250 EXC-F 2023-2025 RMS-8913191

    REKLUSE

    $1,499.00
    If you're running a KTM 250 EXC-F in demanding terrain or high-temperature conditions, clutch heat and engagement inconsistency will cost you lap time and reliability. The Rekluse RadiusCX 4.0 addresses this with a fundamentally redesigned internal...
    11300858
    SKU:
    11300858
    Availability:
    Ships Same Business Day
    Weight:
    3.57 LBS
    $1,499.00
    Qty in Cart: 0
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    $1,499.00
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  • Rekluse RadiusX 4.0 Clutch Yamaha MT-07 2014-2024 RMS-8307007

    Rekluse RadiusX 4.0 Clutch Yamaha MT-07 2014-2024 RMS-8307007

    REKLUSE

    $969.00
    If you're running a high-revving Yamaha MT-07, clutch response and heat management directly impact your lap times and overall reliability. The Rekluse RadiusX 4.0 delivers precise engagement control and superior durability through advanced friction...
    11300864
    SKU:
    11300864
    Availability:
    Ships Same Business Day
    Weight:
    2.90 LBS
    $969.00
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    $969.00
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  • Rekluse EXP 4.0 Clutch Kit for Yamaha YZ65 2020-2025 RMS-8707072

    Rekluse EXP 4.0 Clutch Kit for Yamaha YZ65 2020-2025 RMS-8707072

    REKLUSE

    $1,059.00
    The Rekluse EXP 4.0 eliminates the learning curve of clutch modulation on your YZ65, letting younger riders focus entirely on line choice and throttle control instead of managing stall-prone engagement. This auto clutch system automatically adjusts to...
    11300865
    SKU:
    11300865
    Availability:
    Ships Same Business Day
    Weight:
    3.00 LBS
    $1,059.00
    Qty in Cart: 0
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    $1,059.00
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  • RENTHAL Renthal Fatbar 849 Handlebar 741mm Width 79mm Height 71mm Rise Black 849-01-BK

    Renthal Fatbar 849 Handlebar 741mm Width 79mm Height 71mm Rise Black 849-01-BK

    RENTHAL

    $128.11
    If you're running a 2021 KTM, GasGas, or Husqvarna 65, upgrading to the Renthal Fatbar 849 delivers precise control and confidence through every section of track. The braceless 7010-T6 aluminum construction shaves weight without sacrificing the strength...
    06016319
    SKU:
    06016319
    Availability:
    Ships Same Business Day
    Weight:
    1.76 LBS
    $128.11
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    $128.11
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  • RENTHAL Renthal 7/8" Enduro Medium Handlebar Black 31" Width 2-3/8" Rise 2-3/4" Sweep 664-04-BK-01-185

    Renthal 7/8" Enduro Medium Handlebar Black 31" Width 2-3/8" Rise 2-3/4" Sweep 664-04-BK-01-185

    RENTHAL

    $113.72
    If you're pushing your enduro bike to its limits, handlebar durability and control directly impact your ability to maintain precision through technical terrain. The Renthal 664 Enduro Medium handlebar combines aerospace-grade aluminum with a braced...
    06016019
    SKU:
    06016019
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    Ships Same Business Day
    Weight:
    1.96 LBS
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    $113.72
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  • RENTHAL Renthal Fatbar 829 Trials 110 Black 1-1/8" Handlebar 829-01-BK

    Renthal Fatbar 829 Trials 110 Black 1-1/8" Handlebar 829-01-BK

    RENTHAL

    $128.11
    The Renthal Fatbar 829 Trials 110 is built for trials riders who demand precise control without sacrificing lightweight performance. Its braceless 7010-T6 aluminum construction delivers the rigidity needed for technical maneuvers while the 1-1/8"...
    06015448
    SKU:
    06015448
    Availability:
    Ships Same Business Day
    Weight:
    1.72 LBS
    $128.11
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    $128.11
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  • UFO Rear Mud Plate - Black KA04765#001 UFO Rear Mud Plate - Black KA04765#001

    UFO Rear Mud Plate - Black KA04765#001

    UFO

    $13.95
    Protect your vehicle's undercarriage from mud, rocks, and debris without adding unnecessary weight or complexity. This mud plate bolts on securely with pre-drilled holes, keeping your rear end clean and shielded during aggressive driving or off-road...
    14034034
    SKU:
    14034034
    Availability:
    Ships Same Business Day
    Weight:
    0.17 LBS
    $13.95
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    $13.95
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  • UFO Body Kit - Gold - Honda - CRF 250R/450R HOKIT125F@24

    UFO Body Kit - Gold - Honda - CRF 250R/450R HOKIT125F@24

    UFO

    $152.95
    Whether you're recovering from a crash or refreshing your CRF's appearance, the UFO Body Kit delivers OEM-quality aesthetics without compromising fitment. Pre-drilled mounting points eliminate guesswork and reduce installation time to just a few hours...
    14034084
    SKU:
    14034084
    Availability:
    Ships Same Business Day
    Weight:
    5.75 LBS
    $152.95
    Qty in Cart: 0
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    $152.95
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  • UFO Body Kit - Gold - Yamaha - YZ 250F/450F YAKIT326F@24

    UFO Body Kit - Gold - Yamaha - YZ 250F/450F YAKIT326F@24

    UFO

    $164.95
    Whether you're prepping for a race weekend or refreshing a well-worn YZ, the UFO Body Kit restores factory aesthetics while protecting critical components from impact and debris. This Italian-made kit delivers the OEM appearance your bike needs without...
    14034085
    SKU:
    14034085
    Availability:
    Ships Same Business Day
    Weight:
    6.54 LBS
    $164.95
    Qty in Cart: 0
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    $164.95
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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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