BOYESEN PRO-20BOYESEN REED PRO, Boyesen Pro Series Reeds - PRO Umbrella on the world’s toughest circuits

on the world’s toughest circuits

Reinforcements on key areas including the back yoke

VT250 FL (1988-1990)

MOTOCROSS MONSTER - The 420MX chain has the highest rating tensile strength in the D

BOYESEN PRO-20BOYESEN REED PRO, Boyesen Pro Series Reeds - PRO Umbrella on the world’s toughest circuitsBoyesen Pro Series Reeds for RL Rad Valves PSR 20 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 1997 Yamaha WR250Z 1996 Yamaha WR250Z 1995 Yamaha WR250Z 1994 Yamaha WR250Z 1993 Yamaha WR250Z 1992 Yamaha WR250Z 1991 Yamaha WR250Z 1995 Yamaha YZ250 1994 Yamaha YZ250 1993 Yamaha YZ250 1992 Yamaha YZ250 1991 Yamaha YZ250 1990 Yamaha