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 Axle Blocks - KX250F/KX450F - Unfinished KAB17

    PRO CIRCUIT Axle Blocks - KX250F/KX450F - Unfinished KAB17

    PRO CIRCUIT

    $62.95
    PRO CIRCUIT Axle Blocks KX250F/KX450F Unfinished KAB17Aid in rear wheel alignment, which improves high-speed stability and extends chain and sprocket life, CNC-machined from billet aluminum for strength and light weight
    12310835
    SKU:
    12310835
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    HARD ANODIZED
    UNITS:
    PAIR
    PRODUCT NAME:
    AXLE BLOCK
    MATERIAL:
    BILLET ALUMINUM
    $62.95
    Qty in Cart: 0
    Quantity:
    Price:
    $62.95
    Subtotal:
  • PRO CIRCUIT Shift Lever - KX85/100 KSL1485

    PRO CIRCUIT Shift Lever - KX85/100 KSL1485

    PRO CIRCUIT

    $99.95
    PRO CIRCUIT Shift Lever KX85/100 KSL1485CNC-machined from billet aluminum, Free folding, knurled shift tip, Comes with a bolt for installation, Made in the U.S.A.
    16020954
    SKU:
    16020954
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    MATERIAL:
    BILLET ALUMINUM
    MATERIAL:
    STAINLESS STEEL
    BASE COLOR:
    BLACK
    BASE COLOR:
    SILVER
    PRODUCT NAME:
    SHIFT LEVER
    RIDING STYLE:
    OFF-ROAD
    SHIFT PEG STYLE:
    FOLDING
    UNITS:
    EACH
    $99.95
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • PRO CIRCUIT R-304 Silencer Kawasaki KX 85/100/112 2001-2025 SK98080-R

    PRO CIRCUIT R-304 Silencer Kawasaki KX 85/100/112 2001-2025 SK98080-R

    PRO CIRCUIT

    $171.95
    Pro Circuit R304 Shorty Silencer - Part #SK98080-R Experience superior performance with the Pro Circuit R304 Shorty Silencer, the ultimate solution for motocross riders aiming for maximum power. Renowned by professionals, this race-only silencer is...
    SK98080R
    SKU:
    SK98080R
    Weight:
    1.75 LBS
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    MODEL:
    R-304
    MUFFLER COLOR/FINISH:
    BRUSHED
    PRODUCT NAME:
    SILENCER
    UNITS:
    EACH
    END CAP MATERIAL:
    STAINLESS STEEL
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • PRO CIRCUIT R-304 Silencer Yamaha YZ 125 2002-2022 SY02125-RE

    PRO CIRCUIT R-304 Silencer Yamaha YZ 125 2002-2022 SY02125-RE

    PRO CIRCUIT

    $171.95
    Pro Circuit R304 Shorty Silencer - Part #SY02125-RE Boost your two-stroke bike's performance with the Pro Circuit R304 Shorty Silencer. Designed specifically for closed-course racing, this high-performance silencer combines precision engineering with...
    SY02125RE
    SKU:
    SY02125RE
    Weight:
    1.80 LBS
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • PRO CIRCUIT R-304 Silencer Yamaha YZ 250 2003-2025 SY03250-RE

    PRO CIRCUIT R-304 Silencer Yamaha YZ 250 2003-2025 SY03250-RE

    PRO CIRCUIT

    $171.95
    Pro Circuit R304 Shorty Silencer - Part #SY03250-RE Take your bike to the next level with the Pro Circuit R304 Shorty Silencer, the ultimate choice for riders demanding peak performance on the track. Designed specifically for closed-course racing, this...
    SY03250RE
    SKU:
    SY03250RE
    Weight:
    2.45 LBS
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • PRO CIRCUIT Water Pump Cover with Impeller - Kawasaki WPK17250

    PRO CIRCUIT Water Pump Cover with Impeller - Kawasaki WPK17250

    PRO CIRCUIT

    $239.95
    PRO CIRCUIT Water Pump Cover with Impeller Kawasaki WPK17250Made of CNC-machined billet aluminum, Strong, lightweight and durable to provide years of outstanding protection and performance, Designed with an impeller to increase water flow and reduce...
    09401611
    SKU:
    09401611
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    COLOR/FINISH:
    MACHINED
    PRODUCT NAME:
    COVER
    UNITS:
    SET
    TYPE:
    WATER PUMP
    COLOR/FINISH:
    ANODIZED
    MATERIAL:
    BILLET ALUMINUM
    RIDING STYLE:
    OFF-ROAD
    $239.95
    Qty in Cart: 0
    Quantity:
    Price:
    $239.95
    Subtotal:
  • PRO CIRCUIT Engine Thermometers PC4019-0000

    PRO CIRCUIT Engine Thermometers PC4019-0000

    PRO CIRCUIT

    $22.95
    PRO CIRCUIT Engine Thermometers PC4019-0000Ideal for keeping an eye on engine, suspension and radiator component temperatures, Strips change color to show heat range, from 149°F to 248°F (65-120°C), Measure 2-1/8" L x 5/8" W (54x16mm)
    09500059
    SKU:
    09500059
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    RIDING STYLE:
    UTV
    TYPE:
    TEMPERATURE STRIP
    PRODUCT NAME:
    DECAL
    RIDING STYLE:
    ATV
    UNITS:
    3 PACK
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $22.95
    Subtotal:
  • PRO CIRCUIT Patch Trucker Hat - Black 6711167125

    PRO CIRCUIT Patch Trucker Hat - Black 6711167125

    PRO CIRCUIT

    $34.95
    PRO CIRCUIT Patch Trucker Hat Black 6711167125Pro Circuit for your head
    25012294
    SKU:
    25012294
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • PRO CIRCUIT Clutch Lever - Black PCCL04-01-052

    PRO CIRCUIT Clutch Lever - Black PCCL04-01-052

    PRO CIRCUIT

    $29.95
    PRO CIRCUIT Clutch Lever Black PCCL04-01-052Pro Circuit levers are made by Sunline and forged from 6061-T6 aluminum for strength and durability, They are designed to fit the stock perch and exceed OEM specifications
    06130314
    SKU:
    06130314
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    COLOR/FINISH:
    BLACK
    MODEL:
    FORGED
    PRODUCT NAME:
    LEVER
    ACTUATION:
    MECHANICAL
    MATERIAL:
    ALUMINUM
    TYPE:
    CLUTCH
    TYPE:
    CUSTOM REPLACEMENT
    UNITS:
    EACH
    BASE COLOR:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • PRO CIRCUIT Brake Lever - Black PCBL03-01-012

    PRO CIRCUIT Brake Lever - Black PCBL03-01-012

    PRO CIRCUIT

    $29.95
    PRO CIRCUIT Brake Lever Black PCBL03-01-012Pro Circuit levers are made by Sunline and forged from 6061 T-6 aluminum for strength and durability, They are designed to fit the stock perch and exceed OEM specifications
    06140274
    SKU:
    06140274
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    COLOR/FINISH:
    BLACK
    MODEL:
    FORGED
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    LEVER
    RIDING STYLE:
    OFF-ROAD
    ACTUATION:
    MECHANICAL
    MATERIAL:
    ALUMINUM
    TYPE:
    BRAKE
    UNITS:
    EACH
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • PRO CIRCUIT Brake Lever - Black PCBL03-01-017 PRO CIRCUIT Brake Lever - Black PCBL03-01-017

    PRO CIRCUIT Brake Lever - Black PCBL03-01-017

    PRO CIRCUIT

    $34.95
    PRO CIRCUIT Brake Lever Black PCBL03-01-017Pro Circuit levers are made by Sunline and forged from 6061 T-6 aluminum for strength and durability, They are designed to fit the stock perch and exceed OEM specifications
    06140277
    SKU:
    06140277
    Availability:
    Ships Same Business Day
    Weight:
    0.22 LBS
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    LEVER
    TYPE:
    BRAKE
    COLOR/FINISH:
    BLACK
    MATERIAL:
    ALUMINUM
    RIDING STYLE:
    OFF-ROAD
    ACTUATION:
    MECHANICAL
    MODEL:
    FORGED
    UNITS:
    EACH
    $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • PRO CIRCUIT Throttle Tube - CRF110 - Aluminum TB-14

    PRO CIRCUIT Throttle Tube - CRF110 - Aluminum TB-14

    PRO CIRCUIT

    $79.95
    PRO CIRCUIT Throttle Tube CRF110 Aluminum TB-14CNC-machined and PTFE coated, Stronger and more durable than OEM plastic units
    06320865
    SKU:
    06320865
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    COLOR/FINISH:
    BLACK
    FOR HANDLEBAR DIAMETER IMPERIAL:
    7/8'
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    TUBE
    STYLE:
    TWIST THROTTLE
    TYPE:
    THROTTLE
    BASE COLOR:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $79.95
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
    Subtotal:
  • PRO CIRCUIT R-304 Silencer Honda CR250R 2002-2003 SH02250-RE

    PRO CIRCUIT R-304 Silencer Honda CR250R 2002-2003 SH02250-RE

    PRO CIRCUIT

    $171.95
    Pro Circuit R304 Shorty Silencer - Part #SH02250-RE Unleash the full potential of your Honda CR250R with the Pro Circuit R304 Shorty Silencer. Engineered specifically for high-performance two-stroke machines, this silencer combines advanced materials and...
    SH02250RE
    SKU:
    SH02250RE
    Weight:
    2.18 LBS
    END CAP MATERIAL:
    STAINLESS STEEL
    TYPE:
    SLIP-ON
    MODEL:
    R-304
    MUFFLER COLOR/FINISH:
    BRUSHED
    UNITS:
    EACH
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    PIPE MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    SILENCER
    RIDING STYLE:
    OFF-ROAD
    $171.95
    Qty in Cart: 0
    Quantity:
    Price:
    $171.95
    Subtotal:
  • PRO CIRCUIT Platinum Head Pipe Suzuki RM 250 2004-2008 PS04250P

    PRO CIRCUIT Platinum Head Pipe Suzuki RM 250 2004-2008 PS04250P

    PRO CIRCUIT

    $317.95
    Pro Circuit Platinum Pipe - Part #PS04250P Unlock the full potential of your Suzuki RM250 with the Pro Circuit Platinum Pipe, a premium exhaust system designed for riders who demand top-tier performance and durability. Built for both the track and the...
    18200101
    SKU:
    18200101
    Availability:
    Ships Same Business Day
    Weight:
    7.45 LBS
    COLOR/FINISH:
    NICKEL-PLATED
    MODEL:
    PLATINUM
    DESIGN/CONFIGURATION:
    1-INTO-1 SYSTEM
    PRODUCT NAME:
    HEADER
    TYPE:
    HEAD PIPE
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    CARBON STEEL
    UNITS:
    EACH
    $317.95
    Qty in Cart: 0
    Quantity:
    Price:
    $317.95
    Subtotal:
  • PRO CIRCUIT T-4 Exhaust Honda CRF150F 2006-2017 4H06150

    PRO CIRCUIT T-4 Exhaust Honda CRF150F 2006-2017 4H06150

    PRO CIRCUIT

    $380.95
    Pro Circuit T-4 4-Stroke Exhaust System with Headpipe - Part #4H06150 Maximize your ride’s potential with the Pro Circuit T-4 4-Stroke Exhaust System with Headpipe, a superior upgrade engineered for both casual riders and racing enthusiasts...
    18200586
    SKU:
    18200586
    Availability:
    Ships Same Business Day
    Weight:
    6.55 LBS
    MATERIAL:
    ALUMINUM
    MUFFLER MATERIAL:
    ALUMINUM
    DESIGN/CONFIGURATION:
    1-INTO-1 SYSTEM
    END CAP STYLE:
    CONICAL
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    T4
    UNITS:
    EACH
    END CAP MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    EXHAUST SYSTEM
    MUFFLER COLOR/FINISH:
    BRUSHED
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FULL SYSTEM
    $380.95
    Qty in Cart: 0
    Quantity:
    Price:
    $380.95
    Subtotal:
  • PRO CIRCUIT Platinum 2 Pipe KTM 300 XC/XCW 2011-2015 0951130

    PRO CIRCUIT Platinum 2 Pipe KTM 300 XC/XCW 2011-2015 0951130

    PRO CIRCUIT

    $317.95
    Pro Circuit Platinum 2 Pipe - Part #0951130 Transform your off-road riding experience with the Pro Circuit Platinum 2 Pipe, designed for serious riders and racers. This high-performance torque pipe is constructed from top-notch materials to provide...
    18201251
    SKU:
    18201251
    Availability:
    Ships Same Business Day
    Weight:
    6.95 LBS
    BASE FINISH:
    NICKEL
    END CAP COLOR/FINISH:
    STRAIGHT-CUT
    MATERIAL:
    CARBON STEEL
    UNITS:
    EACH
    COLOR/FINISH:
    NICKEL-PLATED
    PRODUCT NAME:
    EXHAUST SYSTEM
    MODEL:
    PLATINUM II
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    $317.95
    Qty in Cart: 0
    Quantity:
    Price:
    $317.95
    Subtotal:
  • PRO CIRCUIT Works Pipe Kawasaki KX 85/100 2014-2025 0721485

    PRO CIRCUIT Works Pipe Kawasaki KX 85/100 2014-2025 0721485

    PRO CIRCUIT

    $306.95
    Pro Circuit Works Pipe - Part #0721485 Elevate your ride with the Pro Circuit Works Pipe, designed to deliver factory-level performance to your Kawasaki KX85, KX100, or KX112. Crafted with top-of-the-line materials and precision engineering, this...
    18201499
    SKU:
    18201499
    Availability:
    Ships Same Business Day
    Weight:
    5.10 LBS
    TYPE:
    EXHAUST
    PRODUCT NAME:
    PIPE
    MODEL:
    WORKS
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    RAW
    MATERIAL:
    CARBON STEEL
    UNITS:
    EACH
    $306.95
    Qty in Cart: 0
    Quantity:
    Price:
    $306.95
    Subtotal:
  • PRO CIRCUIT Platinum Head Pipe Kawasaki KX 85/100 2014-2025 0821485

    PRO CIRCUIT Platinum Head Pipe Kawasaki KX 85/100 2014-2025 0821485

    PRO CIRCUIT

    $306.95
    Pro Circuit Platinum Pipe - Part #0821485 Take your dirt biking to the next level with the Pro Circuit Platinum Pipe, expertly engineered for riders who demand exceptional performance and reliability. Designed after the championship-winning Works Pipe,...
    18201500
    SKU:
    18201500
    Availability:
    Ships Same Business Day
    Weight:
    3.65 LBS
    COLOR/FINISH:
    NICKEL-PLATED
    MODEL:
    PLATINUM
    DESIGN/CONFIGURATION:
    1-INTO-1 SYSTEM
    MATERIAL:
    CARBON STEEL
    UNITS:
    EACH
    PRODUCT NAME:
    HEADER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    HEAD PIPE
    $306.95
    Qty in Cart: 0
    Quantity:
    Price:
    $306.95
    Subtotal:
  • PRO CIRCUIT T-6 Exhaust Kawasaki KX 450/F 2019-2023 0121945G

    PRO CIRCUIT T-6 Exhaust Kawasaki KX 450/F 2019-2023 0121945G

    PRO CIRCUIT

    $991.95
    Pro Circuit T-6 Stainless Steel Exhaust System - Part #0121945G Boost your bike’s performance with the Pro Circuit T-6 Stainless Steel Exhaust System, a versatile and durable upgrade for riders who demand high-quality results. Built with precision...
    18201845
    SKU:
    18201845
    Availability:
    Ships Same Business Day
    Weight:
    13.30 LBS
    END CAP MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    EXHAUST SYSTEM
    UNITS:
    EACH
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FULL SYSTEM
    DESIGN/CONFIGURATION:
    SINGLE CANISTER
    MODEL:
    T-6
    MUFFLER MATERIAL:
    ALUMINUM
    $991.95
    Qty in Cart: 0
    Quantity:
    Price:
    $991.95
    Subtotal:
  • PRO CIRCUIT Ti-6 Pro Exhaust Kawasaki KX450/F 2019-2023 0321945FP

    PRO CIRCUIT Ti-6 Pro Exhaust Kawasaki KX450/F 2019-2023 0321945FP

    PRO CIRCUIT

    $1,269.95
    Pro Circuit Ti-6 Pro Titanium Exhaust System - Part #0321945FP Take your racing performance to elite levels with the Pro Circuit Ti-6 Pro Titanium Exhaust System, a no-compromise solution engineered for professional riders. Designed specifically for AMA...
    18201847
    SKU:
    18201847
    Availability:
    Ships Same Business Day
    Weight:
    11.00 LBS
    DESIGN/CONFIGURATION:
    SINGLE CANISTER
    PIPE MATERIAL:
    TITANIUM
    UNITS:
    EACH
    END CAP COLOR/FINISH:
    CARBON FIBER
    END CAP MATERIAL:
    CARBON FIBER
    MATERIAL:
    TITANIUM
    MODEL:
    TI-6 PRO
    MUFFLER MATERIAL:
    TITANIUM
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FULL SYSTEM
    MATERIAL:
    CARBON FIBER
    PRODUCT NAME:
    EXHAUST SYSTEM
    $1,269.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,269.95
    Subtotal:
  • Total: items /

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!