BOYESEN PRO-21 BOYESEN REED PSR, Boyesen Pro Series Reeds - PRO, PSR-21 kids Suitable for Yamaha YZ 450

Suitable for Yamaha YZ 450 F applications

Available in 6 anodised colours to personalise your setup

Special low melt point wax replenishes drive train by drip-feeding clean lube from the inside layers outward

Barcode: 4717784509389

This compound delivers super-enhanced wet grip and durability

BOYESEN PRO-21 BOYESEN REED PSR, Boyesen Pro Series Reeds - PRO, PSR-21 kids Suitable for Yamaha YZ 450Boyesen 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 (oro2u. com)