1977 Yamaha YZ100 Reed Valve Systems
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Boyesen® - Power ReedsYamaha YZ100 1977, Power Reeds by Boyesen®. Boyesen Power Reeds use a patented dual-stage fiberglass design for more airflow, more air velocity and more overall power. This top-grade product is expertly made in compliance with stringent...More overall powerTop reed opens at lower RPMs allowing for more air and fuel flow giving you better throttle response$37.61
