Schmetz Needles - 65/9 - DBxK5 - Sharp (SPI) | Sit n' Sew West Bend 820 flow testing | Fillman Machining Boyesen Power Reeds use a patented dual-stage fiberglass design for more airflow, more air velocity and more overall power. Boyesen Dual Stage Power Reeds | MotoSport Longer overall life: Boyesen power reeds outlast all other aftermarket reed petals This item fits the following applications: 1990-1995 Yamaha RT100, 1988-1990 Yamaha DT50, 1980-1982 Yamaha MX80, 1980 Yamaha YZ50, 1975-1979 Yamaha TY175, 1974-1975 Yamaha TY80, 1974 Yamaha YZ80. For: Kawasaki AR50 and AR80 all models; Yamaha DT50 all models, Yamaha MT80 all models, Yamaha MX80 all models, Yamaha RT100 1990-1995, Yamaha TY175 all models, Yamaha TY50 all models, Yamaha TY80 all models, Yamaha YZ50 all models, Yamaha YZ80 1974 Minor change gives major horsepower improvements and fuel economy Boyesen 620 Power Reed Set Boyesen Power Reeds - 600 - Dennis Kirk Boyesen 620 Power Reed Valve
