| Brand | Boyesen |
|---|---|
| Manufacturer Part Number | 640 |
| Warranty Details | See Manufacturer |
Check the listing for details. Boyesen Power Reeds #640 for Yamaha. Condition: New. Listed at 37.02 USD. 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. More valves equals more power by creating.
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