For: Yamaha PW80 all models;Power reeds use a patented dual stage fiberglass design for more air flow, more air velocity and more power;The top reed is lightweight and resilient for crisp throttle response at partial throttle or low RPMs; the stiffer, bottom reed is ported to provide maximum flow and horsepower at higher RPMs;Longer overall life: Boyesen power reeds outlast all other aftermarket reed petals;Minor change gives major horsepower improvements and fuel economy

• Boyesen 673 Power Reed
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Boyesen 673 Power ReedBoyesen