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Dirt Bike Air and Fuel

Dirt Bike Air and Fuel

Dirt Bike Air and Fuel

Dirt Bike Air & Fuel Systems at JJ Motorsports

Optimize your bike’s performance with high-quality air and fuel components from JJ Motorsports. Browse air filters, carburetors, and fuel system parts engineered to deliver clean airflow and a consistent fuel mix for peak efficiency. Ensure your bike runs smoothly by pairing these with other essential off-road dirt bike accessories.

Shop trusted brands like Motion Pro for cables and Uni Filter for high-flow filters. Explore related categories such as Dirt Bike Engine Parts for rebuilds or Dirt Bike Exhaust for complete tuning.

Top Dirt Bike Air & Fuel Products

Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • NO TOIL Super Flow Kit SFK12052

    NO TOIL Super Flow Kit SFK12052

    NO TOIL

    $76.95
    Restrictive stock air filters rob your engine of the oxygen it needs to make real power. The NO TOIL Super Flow Kit SFK12052 replaces that limitation with a high-flow polymer cage and flame-retardant filter element, delivering measurable horsepower gains...
    10114090
    SKU:
    10114090
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    BASE COLOR:
    RED
    MODEL:
    SUPER-FLO
    PRODUCT NAME:
    AIR FILTER KIT
    COLOR/FINISH:
    RED
    UNITS:
    KIT
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $76.95
    Subtotal:
  • NO TOIL Air Box Cover WK120-52

    NO TOIL Air Box Cover WK120-52

    NO TOIL

    $39.95
    Keeping water and moisture out of your air box during wash-downs and wet conditions is critical to engine longevity and peak performance. The NO TOIL Air Box Cover WK120-52 seals your intake system with a precision-fit design, preventing hydro-lock and...
    10500419
    SKU:
    10500419
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    MATERIAL:
    PVC
    UNITS:
    KIT
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    WASH KIT
    TYPE:
    AIRBOX
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • NO TOIL Air Box Cover WK140-04

    NO TOIL Air Box Cover WK140-04

    NO TOIL

    $39.95
    Protecting your engine from water ingress during washing and storage is as critical as maintaining clean fuel. The NO TOIL Air Box Cover WK140-04 pairs with your cleaning regimen to seal out moisture that can cause corrosion, fuel system contamination,...
    10500425
    SKU:
    10500425
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    PRODUCT NAME:
    WASH KIT
    TYPE:
    AIRBOX
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    PVC
    UNITS:
    KIT
    BASE COLOR:
    BLACK
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • NO TOIL Air Box Cover WK180-44

    NO TOIL Air Box Cover WK180-44

    NO TOIL

    $39.95
    Protecting your engine from water ingress during washing and storage is non-negotiable for maintaining long-term reliability and performance. The NO TOIL Air Box Cover WK180-44 seals your air intake system while you clean, preventing moisture from...
    10500432
    SKU:
    10500432
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    MATERIAL:
    PVC
    TYPE:
    AIRBOX
    UNITS:
    KIT
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    WASH KIT
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • NO TOIL Air Box Cover WK180-51

    NO TOIL Air Box Cover WK180-51

    NO TOIL

    $39.95
    Protecting your engine from water ingress during cleaning and storage is critical to preventing corrosion and internal damage. The NO TOIL Air Box Cover WK180-51 seals your intake system while you detail your bike, ensuring moisture stays out while you...
    10500433
    SKU:
    10500433
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    COLOR/FINISH:
    BLACK
    MATERIAL:
    PVC
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    WASH KIT
    TYPE:
    AIRBOX
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • NO TOIL Air Box Cover WK140-50

    NO TOIL Air Box Cover WK140-50

    NO TOIL

    $39.95
    Washing your bike shouldn't mean risking water intrusion into your engine or air box. The NO TOIL Air Box Cover WK140-50 seals out moisture during cleaning and maintenance, protecting critical intake components from water damage. Pair it with NO TOIL's...
    10500436
    SKU:
    10500436
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    BASE COLOR:
    BLACK
    MATERIAL:
    PVC
    UNITS:
    KIT
    PRODUCT NAME:
    WASH KIT
    TYPE:
    AIRBOX
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • NO TOIL Air Box Cover WK150-06

    NO TOIL Air Box Cover WK150-06

    NO TOIL

    $39.95
    Post-ride cleaning is essential, but water infiltration during wash-down can compromise your engine and air intake system. The NO TOIL Air Box Cover WK150-06 provides reliable protection against moisture and debris, keeping your engine bay sealed while...
    10500437
    SKU:
    10500437
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MATERIAL:
    PVC
    TYPE:
    AIRBOX
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    WASH KIT
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • NO TOIL Air Filter - WR250/450 1845

    NO TOIL Air Filter - WR250/450 1845

    NO TOIL

    $33.95
    A quality air filter is foundational to engine performance—it's the first line of defense protecting your WR250/450 from contamination while maximizing airflow to the combustion chamber. The NO TOIL 1845 delivers superior filtration and longevity through...
    10110544
    SKU:
    10110544
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    COLOR/FINISH:
    GREEN
    FILTER MEDIA MATERIAL:
    FOAM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TYPE:
    STANDARD
    BASE COLOR:
    GREEN
    FILTER MEDIA STYLE:
    DUAL-LAYER
    PRODUCT NAME:
    PRE-OILED AIR FILTER
    UNITS:
    EACH
    $33.95
    Qty in Cart: 0
    Quantity:
    Price:
    $33.95
    Subtotal:
  • DEVOL Radiator Guards - Honda 0101-1102

    DEVOL Radiator Guards - Honda 0101-1102

    DEVOL

    $119.95
    Radiator damage from trail debris, crashes, or track incidents can sideline your bike and derail your season. The DEVOL Radiator Guards provide direct frame-mounted protection without compromising cooling efficiency—the strategic front hole design...
    19010036
    SKU:
    19010036
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    RIDING STYLE:
    OFF-ROAD
    BASE FINISH:
    RAW
    UNITS:
    PAIR
    COLOR/FINISH:
    BRUSHED ALUMINUM
    MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    RADIATOR GUARD
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • DEVOL Radiator Guards - Honda 0101-1103

    DEVOL Radiator Guards - Honda 0101-1103

    DEVOL

    $119.95
    Radiator damage is one of the quickest ways to sideline your bike, especially in aggressive riding or racing conditions. The DEVOL Radiator Guards protect your cooling system from impacts and debris without compromising airflow—a critical balance that...
    19010037
    SKU:
    19010037
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    COLOR/FINISH:
    BRUSHED ALUMINUM
    PRODUCT NAME:
    RADIATOR GUARD
    BASE FINISH:
    RAW
    MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    PAIR
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • DEVOL Radiator Guards - Yamaha 0101-5402

    DEVOL Radiator Guards - Yamaha 0101-5402

    DEVOL

    $119.95
    Radiator damage from impacts and debris can sideline your bike and rack up costly repairs. The DEVOL Radiator Guard for Yamaha models combines robust frame-mounted protection with engineered airflow management, ensuring your cooling system stays intact...
    19010060
    SKU:
    19010060
    Availability:
    Ships Same Business Day
    Weight:
    1.25 LBS
    BASE FINISH:
    RAW
    UNITS:
    PAIR
    COLOR/FINISH:
    BRUSHED ALUMINUM
    MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    RADIATOR GUARD
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • DEVOL Radiator Guards - Honda 0101-1202

    DEVOL Radiator Guards - Honda 0101-1202

    DEVOL

    $119.95
    Radiator damage is a costly failure point in high-performance riding, especially in off-road and racing conditions where impacts are inevitable. The DEVOL Radiator Guard combines rugged protection with intelligent airflow design, ensuring your cooling...
    19010066
    SKU:
    19010066
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    BASE FINISH:
    RAW
    MATERIAL:
    ALUMINUM ALLOY
    COLOR/FINISH:
    BRUSHED ALUMINUM
    PRODUCT NAME:
    RADIATOR GUARD
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    PAIR
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • WSM In-Tank Filter 006-516

    WSM In-Tank Filter 006-516

    WSM

    $3.72
    Fuel system contamination is one of the leading causes of injector clogging and fuel pump failure in high-performance applications. The WSM In-Tank Filter 006-516 provides large-capacity filtration directly at the source, protecting your fuel delivery...
    708
    SKU:
    708
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    BASE COLOR:
    ORANGE
    BODY LENGTH IMPERIAL:
    2-11/16'
    RIDING STYLE:
    SNOW
    FEATURES:
    INCLUDES FILTER
    FOR FUEL LINE SIZE METRIC:
    6.4 MM
    PRODUCT NAME:
    FUEL FILTER
    BASE COLOR:
    SILVER
    COLOR/FINISH:
    ORANGE
    FOR FUEL LINE SIZE IMPERIAL:
    5/16'
    FOR FUEL LINE SIZE METRIC:
    7.9 MM
    UNITS:
    EACH
    COLOR/FINISH:
    ALUMINUM
    FOR FUEL LINE SIZE IMPERIAL:
    1/4'
    INLINE FILTER ANGLE:
    STRAIGHT
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    IN-TANK
    $3.72
    Qty in Cart: 0
    Quantity:
    Price:
    $3.72
    Subtotal:
  • VFORCE/MOTO TASSINARI V-Force 3 Petal Set 3P683A

    VFORCE/MOTO TASSINARI V-Force 3 Petal Set 3P683A

    VFORCE/MOTO TASSINARI

    $65.00
    If you're looking to unlock measurable horsepower gains on a two-stroke engine, reed valve optimization is non-negotiable. The VFORCE/MOTO Tassinari V-Force 3 Petal Set uses a precision-engineered reed tip shape that accelerates the air-fuel mixture into...
    3P683A
    SKU:
    3P683A
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    REED PETAL
    MATERIAL:
    CARBON FIBER
    MODEL:
    V-FORCE 3
    TYPE:
    SNAP TOGETHER
    UNITS:
    SET
    BASE COLOR:
    BLACK
    RIDING STYLE:
    SNOW
    Qty in Cart: 0
    Quantity:
    Price:
    $65.00
    Subtotal:
  • VFORCE/MOTO TASSINARI V-Force Reed Petal Set 2P050-1

    VFORCE/MOTO TASSINARI V-Force Reed Petal Set 2P050-1

    VFORCE/MOTO TASSINARI

    $65.00
    Reed petals are the backbone of your two-stroke's intake efficiency—and worn or suboptimal petals rob you of power across the entire powerband. The V-Force Reed Petal Set 2P050-1 delivers crisp throttle response and measurable horsepower gains by...
    2P0501
    SKU:
    2P0501
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    REED PETAL
    MATERIAL:
    CARBON FIBER
    MODEL:
    V-FORCE DELTA
    BASE COLOR:
    BLACK
    UNITS:
    SET
    Qty in Cart: 0
    Quantity:
    Price:
    $65.00
    Subtotal:
  • UFO Radiator Louvers - Black - CRF450 AC02455

    UFO Radiator Louvers - Black - CRF450 AC02455

    UFO

    $36.95
    Engine heat management directly impacts performance and component longevity on your CRF450. UFO Radiator Louvers enhance airflow to your radiator while protecting it from debris and impact damage—critical for maintaining optimal operating temperatures...
    19040214
    SKU:
    19040214
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    BASE COLOR:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    BLACK
    MATERIAL:
    PLASTIC
    PRODUCT NAME:
    RADIATOR LOUVER
    UNITS:
    PAIR
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • UFO Radiator Louvers - Black - KXF450 AC02470

    UFO Radiator Louvers - Black - KXF450 AC02470

    UFO

    $36.95
    Radiator louvers control airflow across your cooling system to maintain optimal operating temperatures during aggressive riding. The UFO Radiator Louvers reduce unwanted debris impact and help prevent radiator damage on the track or trail. Pre-cut...
    19040216
    SKU:
    19040216
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    COLOR/FINISH:
    BLACK
    BASE COLOR:
    BLACK
    MATERIAL:
    PLASTIC
    PRODUCT NAME:
    RADIATOR LOUVER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    PAIR
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • UFO Radiator Louvers - Green - KXF450 AC02471

    UFO Radiator Louvers - Green - KXF450 AC02471

    UFO

    $36.95
    Radiator louvers protect your cooling system from mud, debris, and impact damage during aggressive trail or track riding—essential for maintaining optimal engine temperatures in demanding conditions. The UFO Radiator Louvers for the KXF450 combine...
    19040217
    SKU:
    19040217
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    MATERIAL:
    PLASTIC
    BASE COLOR:
    GREEN
    PRODUCT NAME:
    RADIATOR LOUVER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    PAIR
    COLOR/FINISH:
    GREEN
    $36.95
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • Wiseco Keihin-Style Main Jet Assortment Kit for Keihin FCR MX/PJ/PWK/PWM N424-21 Series Carburetors JK002

    Wiseco Keihin-Style Main Jet Assortment Kit for Keihin FCR MX/PJ/PWK/PWM N424-21 Series Carburetors JK002

    WISECO

    $266.95
    Carburetor tuning directly impacts your engine's power delivery and throttle response—and jet sizing is non-negotiable for dialing in the sweet spot. The Wiseco Keihin-Style Main Jet Assortment Kit gives you the range needed to match your fuel mixture to...
    10060315
    SKU:
    10060315
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    MATERIAL:
    BRASS
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    RIDING STYLE:
    SNOW
    TYPE:
    KEIHIN
    PRODUCT NAME:
    PILOT JET
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    $266.95
    Qty in Cart: 0
    Quantity:
    Price:
    $266.95
    Subtotal:
  • VFORCE/MOTO TASSINARI V-Force 3 Reeds - Order/Replacement - Yamaha V382A

    VFORCE/MOTO TASSINARI V-Force 3 Reeds - Order/Replacement - Yamaha V382A

    VFORCE/MOTO TASSINARI

    $165.00
    Reed valves are the heart of your two-stroke's intake system—when they wear or crack, you lose crisp throttle response and peak horsepower. The V-Force 3 Reeds deliver consistent, predictable performance by combining optimized petal geometry with a...
    10080069
    SKU:
    10080069
    Availability:
    Ships Same Business Day
    Weight:
    0.46 LBS
    BASE COLOR:
    BLACK
    TYPE:
    SNAP TOGETHER
    UNITS:
    SET
    MATERIAL:
    CARBON FIBER
    COLOR/FINISH:
    BLACK
    MATERIAL:
    RUBBER
    MODEL:
    V-FORCE 3
    PRODUCT NAME:
    REED VALVE
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $165.00
    Subtotal:
  • Total: items /

Adding your products to cart

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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