Yamaha Qt50 Pw50 Boyesen Dual Stage Reeds
Boyesen Dual Stage reeds for Yamaha QT50, PW50, YT60, SG50, etc
Using two sets of reeds at different thicknesses, these are supposed to increase low-end power and top-end power. Boyesen reeds are an incredibly popular upgrade not just for PW50/QT50 but for any 2-stroke being used for racing.
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