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  • VFORCE/MOTO TASSINARI V-Force 4 Reed Valve Set - Yamaha V4145

    VFORCE/MOTO TASSINARI V-Force 4 Reed Valve Set - Yamaha V4145

    V-Force 4 Reed Valve Set - Yamaha Long reed stops added to progressively slow petal tip velocity, for increased petal durability, Reduced frontal area of central wing by 15.6%, combined with a more aerodynamic shape, Combined reed tip area increased by...
    $165.95
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  • VFORCE/MOTO TASSINARI V-Force 3 Reed Valve Set - Yamaha V302A

    VFORCE/MOTO TASSINARI V-Force 3 Reed Valve Set - Yamaha V302A

    V-Force 3 Reed Valve Set - Yamaha Snap-together cage uses symmetrical reed petals, eliminating the need for different "inner" and "outer" replacement petals, Reed tip shape accelerates air mixture, ensuring increased airflow for increased horsepower,...
    $165.95
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  • VFORCE/MOTO TASSINARI V-Force 3 Reed Valve Set - Yamaha V303-FM

    VFORCE/MOTO TASSINARI V-Force 3 Reed Valve Set - Yamaha V303-FM

    V-Force 3 Reed Valve Set - Yamaha Snap-together cage uses symmetrical reed petals, eliminating the need for different "inner" and "outer" replacement petals, Reed tip shape accelerates air mixture, ensuring increased airflow for increased horsepower,...
    $165.95
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  • VFORCE/MOTO TASSINARI V-Force 4 Reed Valve Set - Yamaha V4R04

    VFORCE/MOTO TASSINARI V-Force 4 Reed Valve Set - Yamaha V4R04

    V-Force 4 Reed Valve Set - Yamaha Long reed stops added to progressively slow petal tip velocity, for increased petal durability, Reduced frontal area of central wing by 15.6%, combined with a more aerodynamic shape, Combined reed tip area increased by...
    $175.95
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  • VFORCE/MOTO TASSINARI V-Force 4 Reed Valve Set - Yamaha V4R82B-I

    VFORCE/MOTO TASSINARI V-Force 4 Reed Valve Set - Yamaha V4R82B-I

    V-Force 4 Reed Valve Set - Yamaha Long reed stops added to progressively slow reed petal tip velocity for increased petal durability, Reduced frontal area of the central wing combined with a more aerodynamic shape, Airfoil shape added to cage tip to...
    $185.95
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  • VFORCE/MOTO TASSINARI V-Force 4 Reed Valve Set - Yamaha V4R82A-I

    VFORCE/MOTO TASSINARI V-Force 4 Reed Valve Set - Yamaha V4R82A-I

    V-Force 4 Reed Valve Set - Yamaha Long reed stops added to progressively slow reed petal tip velocity for increased petal durability, Reduced frontal area of the central wing combined with a more aerodynamic shape, Airfoil shape added to cage tip to...
    $185.95
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  • BOYESEN Power Reed Petal Set - Yamaha 6130

    BOYESEN Power Reed Petal Set - Yamaha 6130

    Power Reed Petal Set - Yamaha Allows replacement of stock reed stop with a Rev-Plate which permits the reeds to open freely and function efficiently, The top reed is lightweight and resilient for crisp throttle response at partial throttle or low RPMs,...
    $39.95
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  • BOYESEN Replacement Reed Set - RAD36/36A - Yamaha RL05

    BOYESEN Replacement Reed Set - RAD36/36A - Yamaha RL05

    Replacement Reed Set - RAD36/36A - Yamaha The latest carbon fiber technology with all the advantages of Boyesen's dual-stage reed design, Quickest acceleration any reed can offer, maximizing horsepower and torque
    $36.95
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  • BOYESEN Replacement Pro Series Reed Set - RAD-33D - Yamaha PSR118

    BOYESEN Replacement Pro Series Reed Set - RAD-33D - Yamaha PSR118

    Replacement Pro Series Reed Set - RAD-33D - Yamaha The latest carbon fiber technology with all the advantages of Boyesen's dual-stage reed design, Responds quickly and accurately to changes in piston speed for smooth, dependable throttle response, Offers...
    $64.95
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  • BOYESEN Replacement Pro Series Reed Set - RAD-34E - Yamaha PSR119

    BOYESEN Replacement Pro Series Reed Set - RAD-34E - Yamaha PSR119

    Replacement Pro Series Reed Set - RAD-34E - Yamaha The latest carbon fiber technology with all the advantages of Boyesen's dual-stage reed design, Responds quickly and accurately to changes in piston speed for smooth, dependable throttle response, Offers...
    $64.95
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  • BOYESEN Pro Series Reed Set - Yamaha PRO141

    BOYESEN Pro Series Reed Set - Yamaha PRO141

    Pro Series Reed Set - Yamaha Respond quickly and accurately to piston speed changes for smooth, dependable throttle response, High-tech carbon fiber with all the advantages of Boyesen's exclusive dual-stage reed design, Offers the quickest acceleration...
    $62.95
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  • BOYESEN Replacement Pro Series Reed Set - RAD30C - Yamaha PSR-173

    BOYESEN Replacement Pro Series Reed Set - RAD30C - Yamaha PSR-173

    Replacement Pro Series Reed Set - RAD30C - Yamaha The latest carbon fiber technology with all the advantages of Boyesen's dual-stage reed design, Responds quickly and accurately to changes in piston speed for smooth, dependable throttle response, Offers...
    $56.95
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  • BOYESEN Pro Series Reed Set - Yamaha PRO-53

    BOYESEN Pro Series Reed Set - Yamaha PRO-53

    Pro Series Reed Set - Yamaha Respond quickly and accurately to piston speed changes for smooth, dependable throttle response, High-tech carbon fiber with all the advantages of Boyesen's exclusive dual-stage reed design, Offers the quickest acceleration...
    $62.95
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  • BOYESEN Pro Series Reeds Set - Yamaha PRO-58

    BOYESEN Pro Series Reeds Set - Yamaha PRO-58

    Pro Series Reeds Set - Yamaha Respond quickly and accurately to piston speed changes for smooth, dependable throttle response, High-tech carbon fiber with all the advantages of Boyesen's exclusive dual-stage reed design, Offers the quickest acceleration...
    $57.95
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  • BOYESEN Power Reed Set - Yamaha 609

    BOYESEN Power Reed Set - Yamaha 609

    Power Reed Set - Yamaha Laboratory flow analysis proves Boyesen® dual-stage reeds out-perform standard reeds, They permit greater flow velocity over the entire range of operating pressures, Increased performance from start-up to top acceleration
    $39.95
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  • BOYESEN Power Reed Set - Kawasaki/Yamaha 620

    BOYESEN Power Reed Set - Kawasaki/Yamaha 620

    Power Reed Set - Kawasaki/Yamaha Laboratory flow analysis proves Boyesen® dual-stage reeds out-perform standard reeds, They permit greater flow velocity over the entire range of operating pressures, Increased performance from start-up to top acceleration
    $28.95
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  • BOYESEN Power Reed Set - Yamaha 627

    BOYESEN Power Reed Set - Yamaha 627

    Power Reed Set - Yamaha Laboratory flow analysis proves Boyesen® dual-stage reeds out-perform standard reeds, They permit greater flow velocity over the entire range of operating pressures, Increased performance from start-up to top acceleration
    $34.95
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  • BOYESEN Power Reed Set - Yamaha 645

    BOYESEN Power Reed Set - Yamaha 645

    Power Reed Set - Yamaha Laboratory flow analysis proves Boyesen® dual-stage reeds out-perform standard reeds, They permit greater flow velocity over the entire range of operating pressures, Increased performance from start-up to top acceleration
    $34.95
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  • BOYESEN Rad Valve Reed Cage Assembly - Yamaha RAD33C

    BOYESEN Rad Valve Reed Cage Assembly - Yamaha RAD33C

    Rad Valve Reed Cage Assembly - Yamaha Maintain flow velocity through the valve and redirect intake charge for more even distribution to intake ports, Made of one-piece aluminum castings and bolts in easily; no modifications necessary, Provide quicker,...
    $179.95
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  • BOYESEN Rad Valve Reed Cage Assembly - Yamaha RAD34XA

    BOYESEN Rad Valve Reed Cage Assembly - Yamaha RAD34XA

    Rad Valve Reed Cage Assembly - Yamaha Maintain flow velocity through the valve and redirect intake charge for more even distribution to intake ports, Made of one-piece aluminum castings and bolts in easily; no modifications necessary, Provide quicker,...
    $179.95
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  • BOYESEN Rad Valve Reed Cage Assembly - Yamaha RAD-36A

    BOYESEN Rad Valve Reed Cage Assembly - Yamaha RAD-36A

    Rad Valve Reed Cage Assembly - Yamaha Maintain flow velocity through the valve and redirect intake charge for more even distribution to intake ports, Made of one-piece aluminum castings and bolts in easily; no modifications necessary, Provide quicker,...
    $272.95
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  • BOYESEN Power Reed Set - Yamaha 697

    BOYESEN Power Reed Set - Yamaha 697

    Power Reed Set - Yamaha Laboratory flow analysis proves Boyesen® dual-stage reeds out-perform standard reeds, They permit greater flow velocity over the entire range of operating pressures, Increased performance from start-up to top acceleration
    $39.95
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  • BOYESEN Rad Valve Reed Cage Assembly - Yamaha RAD33E

    BOYESEN Rad Valve Reed Cage Assembly - Yamaha RAD33E

    Rad Valve Reed Cage Assembly - Yamaha Maintain flow velocity through the valve and redirect intake charge for more even distribution to intake ports, Made of one-piece aluminum castings and bolts in easily; no modifications necessary, Provide quicker,...
    $179.95
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  • BOYESEN Rad Valve Reed Cage Assembly - Yamaha RAD-33G

    BOYESEN Rad Valve Reed Cage Assembly - Yamaha RAD-33G

    Rad Valve Reed Cage Assembly - Yamaha Maintain flow velocity through the valve and redirect intake charge for more even distribution to intake ports, Made of one-piece aluminum castings and bolts in easily; no modifications necessary, Provide quicker,...
    $179.95
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  • BOYESEN Rad Valve Reed Cage Assembly - Yamaha RAD35A

    BOYESEN Rad Valve Reed Cage Assembly - Yamaha RAD35A

    Rad Valve Reed Cage Assembly - Yamaha Maintain flow velocity through the valve and redirect intake charge for more even distribution to intake ports, Made of one-piece aluminum castings and bolts in easily; no modifications necessary, Provide quicker,...
    $179.95
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  • BOYESEN Pro Series Reed Set - Yamaha PRO08

    BOYESEN Pro Series Reed Set - Yamaha PRO08

    Pro Series Reed Set - Yamaha Respond quickly and accurately to piston speed changes for smooth, dependable throttle response, High-tech carbon fiber with all the advantages of Boyesen's exclusive dual-stage reed design, Offers the quickest acceleration...
    $62.95
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  • BOYESEN Pro Series Reed Set - Yamaha PRO-157

    BOYESEN Pro Series Reed Set - Yamaha PRO-157

    Pro Series Reed Set - Yamaha Respond quickly and accurately to piston speed changes for smooth, dependable throttle response, High-tech carbon fiber with all the advantages of Boyesen's exclusive dual-stage reed design, Offers the quickest acceleration...
    $62.95
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Filters & Intake

Powersports Intake Systems & Filters

Shield your engine from destructive trail debris while unlocking maximum combustion efficiency with premium powersports intake systems and filters from Mad Lads Moto. Internal combustion engines are essentially massive air pumps; the volume of clean, cold oxygen they can draw directly dictates your power output. However, off-road silt, track dust, and fuel system contaminants are constantly working to compromise your piston rings and cylinder walls. Our comprehensive catalog features high-flow street air filters, dual-stage foam off-road filters, high-micron efficiency oil filters, and inline fuel strainers engineered to provide maximum flow and elite filtration security.

What is the performance difference between pleated cotton and foam air filters?

Pleated cotton filters use layered, oil-treated cotton gauze to offer exceptionally high airflow with low restriction, making them ideal for high-RPM asphalt street and track applications. Foam air filters utilize thick, porous polyurethane open-cell structures soaked in high-tack filter oil. This multi-layered design traps immense quantities of fine silt, sand, and dust without choking airflow, making foam the absolute standard for dirt bikes, ATVs, and off-road environments.

Why is it critical to use specialized air filter oil rather than standard motor oil?

Standard motor oil is engineered to flow when warm, meaning it will eventually migrate out of an air filter element and pool at the bottom of your airbox, leaving the upper portion dry. Dedicated air filter oil contains specialized solvents that evaporate after application, leaving behind an incredibly sticky, tacky web of polymers that actively snags microscopic dust particles as they pass through the filter media.
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