PRO-21 BOYESEN REED PSR, Boyesen Pro Series Reeds - PRO, PSR-21

Boyesen Pro Series Reeds for RL Rad Valves - PSR-21

Direct replacement reed for Rad Valve

To determine if you have an RL or RR Rad Valve, look for an RL stamp in the casting; the RR Rad Valve does not have a stamp

Yamaha

1996 Yamaha YZ250

Part No. 05-P21 (phoenixmotos.com)