Boyesen Engineering

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Search results for 'rl 18'

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RAD VALVE REPLACEMENT REEDS
$49.95
Replacement Power Reeds for Boyesen RAD Valves. Includes petals, rev-plates and extra screws. Learn More

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Supercooler - WPK-31AB
$199.95
HEAT is killing your Yamaha. These machines runs HARD and runs HOT – Boyesen's SuperCooler™ kit for the YZ125 uses a patented impeller design to protect vulnerable engine components. A 20% flow increase over stock lets you run cooler, run faster and moto longer. More flow means supercooled engine protection and maximum horsepower! Learn More

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Supercooler - WPK-31AM (Magnesium)
$199.95
HEAT is killing your Yamaha. These machines runs HARD and runs HOT – Boyesen's SuperCooler™ kit for the YZ125 uses a patented impeller design to protect vulnerable engine components. A 20% flow increase over stock lets you run cooler, run faster and moto longer. More flow means supercooled engine protection and maximum horsepower! Learn More

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SUPERCOOLER KITS WPK-18AB (Black)
$189.95
Boyesen SuperCooler Water Pump Cover and Impeller Kits are specifically designed to enhance the performance of your machine’s cooling system. These high-flow, hydrodynamic water pump kits have been tested and designed to flow more coolant. By increasing the flow, the engine will run cooler at a more constant temperature. Boyesen's SuperCooler™ kit uses a patented impeller design to protect vulnerable engine components. A 26% flow increase over stock lets you run cooler, run faster and moto longer. More flow means supercooled engine protection and maximum horsepower! Learn More

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SUPERCOOLER KITS WPK-18AM (Magnesium)
$189.95
Boyesen SuperCooler Water Pump Cover and Impeller Kits are specifically designed to enhance the performance of your machine’s cooling system. These high-flow, hydrodynamic water pump kits have been tested and designed to flow more coolant. By increasing the flow, the engine will run cooler at a more constant temperature. Boyesen's SuperCooler™ kit uses a patented impeller design to protect vulnerable engine components. A 26% flow increase over stock lets you run cooler, run faster and moto longer. More flow means supercooled engine protection and maximum horsepower! Learn More

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SPECTRA SUPERCOOLER KITS WPK-18AL (Race Blue)
$195.95
Boyesen SuperCooler Water Pump Cover and Impeller Kits are specifically designed to enhance the performance of your machine’s cooling system. These high-flow, hydrodynamic water pump kits have been tested and designed to flow more coolant. By increasing the flow, the engine will run cooler at a more constant temperature. Boyesen's SuperCooler™ kit uses a patented impeller design to protect vulnerable engine components. A 26% flow increase over stock lets you run cooler, run faster and moto longer. More flow means supercooled engine protection and maximum horsepower! Learn More

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