BOYESEN Power Reeds - 612 True Functional Ventilation (TFV)-When in

True Functional Ventilation (TFV)-When in motion

and rear yoke panels to maximize unimpeded airflow

Double stitches and contrasting bands

Knurled grip area to help prevent grips slipping & twisting

work at a higher rate for longer periods of time

BOYESEN Power Reeds - 612 True Functional Ventilation (TFV)-When inPower Reeds A POWERFUL SOLUTION TO A SIMPLE PROBLEM One reed petal is NOT enough! The reed petals in all 2 stroke engines take an incredible amount of abuse! At peak RPM, reed petals are opening and closing hundreds of times per second. Over time, a single reed loses its ability to regulate flow rates in proper proportions. This causes a loss of reed petal reaction and reduces the consistency of peak horsepower. Boyesen's revolutionary dual stage reed