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

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • PRO CIRCUIT 304 Silencer YZ85 2002-2018 Yamaha SY93080-SE

    PRO CIRCUIT 304 Silencer YZ85 2002-2018 Yamaha SY93080-SE

    PRO CIRCUIT

    $171.95
    The slightly longer body offers added top end performance while reducing noise output, Longer body design helps to reduce noise output, 6061 T6 brushed aluminum silencer body, Stainless steel inlet tube and end-cap, Tig and mig welded for strength and...
    SY93080SE
    SKU:
    SY93080SE
    Weight:
    1.75 LBS
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • PRO CIRCUIT 304 Silencer YZ250 1993-1995 Yamaha SY93250-SE

    PRO CIRCUIT 304 Silencer YZ250 1993-1995 Yamaha SY93250-SE

    PRO CIRCUIT

    $171.95
    The slightly longer body offers added top end performance while reducing noise output, Longer body design helps to reduce noise output, 6061 T6 brushed aluminum silencer body, Stainless steel inlet tube and end-cap, Tig and mig welded for strength and...
    SY93250SE
    SKU:
    SY93250SE
    Weight:
    2.82 LBS
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • PRO CIRCUIT 304 Silencer YZ125 1994-1995 Yamaha SY94125-304

    PRO CIRCUIT 304 Silencer YZ125 1994-1995 Yamaha SY94125-304

    PRO CIRCUIT

    $171.95
    The slightly longer body offers added top end performance while reducing noise output, Longer body design helps to reduce noise output, 6061 T6 brushed aluminum silencer body, Stainless steel inlet tube and end-cap, Tig and mig welded for strength and...
    SY94125304
    SKU:
    SY94125304
    Weight:
    1.88 LBS
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • PRO CIRCUIT R-304 Silencer YZ125 2000-2001 Yamaha SY00125-RE

    PRO CIRCUIT R-304 Silencer YZ125 2000-2001 Yamaha SY00125-RE

    PRO CIRCUIT

    $171.95
    Full-race two-stroke silencer, The compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing only, Hex head screws are used to secure the inlet cap and can be removed easily for quick...
    SY00125RE
    SKU:
    SY00125RE
    Weight:
    1.70 LBS
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • PRO CIRCUIT R-304 Silencer YZ250 2000-2001 Yamaha SY00250-RE

    PRO CIRCUIT R-304 Silencer YZ250 2000-2001 Yamaha SY00250-RE

    PRO CIRCUIT

    $171.95
    Full-race two-stroke silencer, The compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing only, Hex head screws are used to secure the inlet cap and can be removed easily for quick...
    SY00250RE
    SKU:
    SY00250RE
    Weight:
    2.10 LBS
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • PRO CIRCUIT Spark Arrestor Silencer YZ125 2002-2021 Yamaha SY02125-296

    PRO CIRCUIT Spark Arrestor Silencer YZ125 2002-2021 Yamaha SY02125-296

    PRO CIRCUIT

    $202.95
    The Type 296 Silencer is a quiet spark arrestor that should be used when riding in noise sensitive areas or any National Forest, U.S. Forest Service approved and will reduce your bike's noise level at or near 96dB on most models, Internal metal baffle,...
    SY02125296
    SKU:
    SY02125296
    Weight:
    3.58 LBS
    $202.95
    Qty in Cart: 0
    Quantity:
    Price:
    $202.95
    Subtotal:
  • PRO CIRCUIT Spark Arrestor Silencer YZ 250 2003-2025 Yamaha SY03250-296

    PRO CIRCUIT Spark Arrestor Silencer YZ 250 2003-2025 Yamaha SY03250-296

    PRO CIRCUIT

    $202.95
    The Type 296 Silencer is a quiet spark arrestor that should be used when riding in noise sensitive areas or any National Forest, U.S. Forest Service approved and will reduce your bike's noise level at or near 96dB on most models, Internal metal baffle,...
    SY03250296
    SKU:
    SY03250296
    Weight:
    3.84 LBS
    $202.95
    Qty in Cart: 0
    Quantity:
    Price:
    $202.95
    Subtotal:
  • PRO CIRCUIT 304 Silencer YZ 250 2003-2025 Yamaha SY03250-SE

    PRO CIRCUIT 304 Silencer YZ 250 2003-2025 Yamaha SY03250-SE

    PRO CIRCUIT

    $171.95
    The slightly longer body offers added top end performance while reducing noise output, Longer body design helps to reduce noise output, 6061 T6 brushed aluminum silencer body, Stainless steel inlet tube and end-cap, Tig and mig welded for strength and...
    SY03250SE
    SKU:
    SY03250SE
    Weight:
    2.60 LBS
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • PRO CIRCUIT Spark Arrestor Silencer 250 SX 2003-2009 KTM ST03250-296

    PRO CIRCUIT Spark Arrestor Silencer 250 SX 2003-2009 KTM ST03250-296

    PRO CIRCUIT

    $202.95
    The Type 296 Silencer is a quiet spark arrestor that should be used when riding in noise sensitive areas or any National Forest, U.S. Forest Service approved and will reduce your bike's noise level at or near 96dB on most models, Internal metal baffle,...
    ST03250296
    SKU:
    ST03250296
    Weight:
    4.10 LBS
    $202.95
    Qty in Cart: 0
    Quantity:
    Price:
    $202.95
    Subtotal:
  • PRO CIRCUIT 304 Silencer 250 SX 1998-2002 KTM ST98250-SE

    PRO CIRCUIT 304 Silencer 250 SX 1998-2002 KTM ST98250-SE

    PRO CIRCUIT

    $171.95
    The slightly longer body offers added top end performance while reducing noise output, Longer body design helps to reduce noise output, 6061 T6 brushed aluminum silencer body, Stainless steel inlet tube and end-cap, Tig and mig welded for strength and...
    ST98250SE
    SKU:
    ST98250SE
    Weight:
    2.85 LBS
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • PRO CIRCUIT Spark Arrestor Silencer RM125 2002-2007 Suzuki SS02125-296

    PRO CIRCUIT Spark Arrestor Silencer RM125 2002-2007 Suzuki SS02125-296

    PRO CIRCUIT

    $202.95
    The Type 296 Silencer is a quiet spark arrestor that should be used when riding in noise sensitive areas or any National Forest, U.S. Forest Service approved and will reduce your bike's noise level at or near 96dB on most models, Internal metal baffle,...
    SS02125296
    SKU:
    SS02125296
    Weight:
    3.55 LBS
    $202.95
    Qty in Cart: 0
    Quantity:
    Price:
    $202.95
    Subtotal:
  • PRO CIRCUIT R-304 Silencer RM125 2002-2007 Suzuki SS02125-RE

    PRO CIRCUIT R-304 Silencer RM125 2002-2007 Suzuki SS02125-RE

    PRO CIRCUIT

    $171.95
    Pro Circuit R-304 Shorty Silencer (SS02125-RE) Elevate your bike's performance with the Pro Circuit R-304 Shorty Silencer, crafted for riders who demand top-tier power and precision. Designed specifically for race conditions, this lightweight silencer is...
    SS02125RE
    SKU:
    SS02125RE
    Weight:
    1.70 LBS
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • PRO CIRCUIT R-304 Silencer RM250 2002-2003 Suzuki SS02250-RE

    PRO CIRCUIT R-304 Silencer RM250 2002-2003 Suzuki SS02250-RE

    PRO CIRCUIT

    $171.95
    Pro Circuit R-304 Shorty Silencer (SS02250-RE) Take your riding to the next level with the Pro Circuit R-304 Shorty Silencer, engineered for serious riders seeking optimal performance. Designed for closed-course racing, this lightweight yet durable...
    SS02250RE
    SKU:
    SS02250RE
    Weight:
    2.18 LBS
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • PRO CIRCUIT 304 Silencer RM250 1991-1992 Suzuki SS91250-304

    PRO CIRCUIT 304 Silencer RM250 1991-1992 Suzuki SS91250-304

    PRO CIRCUIT

    $171.95
    Pro Circuit 304 Factory Sound Silencer (SS91250-304) Transform your riding experience with the Pro Circuit 304 Factory Sound Silencer, designed for enthusiasts seeking improved power, performance, and durability. Specifically developed for two-stroke...
    SS91250304
    SKU:
    SS91250304
    Weight:
    2.19 LBS
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • PRO CIRCUIT 304 Silencer RM125 1993-1995 Suzuki SS93125-304

    PRO CIRCUIT 304 Silencer RM125 1993-1995 Suzuki SS93125-304

    PRO CIRCUIT

    $171.95
    The slightly longer body offers added top end performance while reducing noise output, Longer body design helps to reduce noise output, 6061 T6 brushed aluminum silencer body, Stainless steel inlet tube and end-cap, Tig and mig welded for strength and...
    SS93125304
    SKU:
    SS93125304
    Weight:
    1.75 LBS
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • PRO CIRCUIT 304 Silencer RM250 1993-1995 Suzuki SS93250-304

    PRO CIRCUIT 304 Silencer RM250 1993-1995 Suzuki SS93250-304

    PRO CIRCUIT

    $171.95
    The slightly longer body offers added top end performance while reducing noise output, Longer body design helps to reduce noise output, 6061 T6 brushed aluminum silencer body, Stainless steel inlet tube and end-cap, Tig and mig welded for strength and...
    SS93250304
    SKU:
    SS93250304
    Weight:
    2.06 LBS
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • PRO CIRCUIT Spark Arrestor Silencer RM250 '93-'95 Suzuki SS93250-SA

    PRO CIRCUIT Spark Arrestor Silencer RM250 '93-'95 Suzuki SS93250-SA

    PRO CIRCUIT

    $173.95
    Meets U.S. Forest Service standards without sacrificing performance or horsepower, Specially engineered internal metal baffle eliminates the chance of a spark leaving the exhaust system, Clog-free Krizzman bullet design, 6061 T-6 brushed aluminum...
    SS93250SA
    SKU:
    SS93250SA
    Weight:
    3.16 LBS
    $173.95
    Qty in Cart: 0
    Quantity:
    Price:
    $173.95
    Subtotal:
  • PRO CIRCUIT R-304 Silencer RM250 1999-2000 Suzuki SS99250-RE

    PRO CIRCUIT R-304 Silencer RM250 1999-2000 Suzuki SS99250-RE

    PRO CIRCUIT

    $171.95
    Full-race two-stroke silencer, The compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing only, Hex head screws are used to secure the inlet cap and can be removed easily for quick...
    SS99250RE
    SKU:
    SS99250RE
    Weight:
    2.35 LBS
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • PRO CIRCUIT R-304 Silencer CR125R 2000-2001 Honda SH00125-RE

    PRO CIRCUIT R-304 Silencer CR125R 2000-2001 Honda SH00125-RE

    PRO CIRCUIT

    $171.95
    Full-race two-stroke silencer, The compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing only, Hex head screws are used to secure the inlet cap and can be removed easily for quick...
    SH00125RE
    SKU:
    SH00125RE
    Weight:
    1.66 LBS
    MUFFLER COLOR/FINISH:
    BRUSHED
    PRODUCT NAME:
    SILENCER
    PIPE MATERIAL:
    STAINLESS STEEL
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    STAINLESS STEEL
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    MODEL:
    R-304
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • PRO CIRCUIT Spark Arrestor Silencer CR125R '00-'01 Honda SH00125-SA

    PRO CIRCUIT Spark Arrestor Silencer CR125R '00-'01 Honda SH00125-SA

    PRO CIRCUIT

    $173.95
    Meets U.S. Forest Service standards without sacrificing performance or horsepower, Specially engineered internal metal baffle eliminates the chance of a spark leaving the exhaust system, Clog-free Krizzman bullet design, 6061 T-6 brushed aluminum...
    SH00125SA
    SKU:
    SH00125SA
    Weight:
    2.75 LBS
    END CAP MATERIAL:
    STAINLESS STEEL
    MODEL:
    NATURE FRIENDLY
    MUFFLER COLOR/FINISH:
    BRUSHED
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    PRODUCT NAME:
    SILENCER
    UNITS:
    EACH
    FEATURES:
    WITH SPARK ARRESTOR
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    PIPE MATERIAL:
    STAINLESS STEEL
    STYLE:
    ROUND
    $173.95
    Qty in Cart: 0
    Quantity:
    Price:
    $173.95
    Subtotal:
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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!