Models Power Valve Válvula de escape Yamaha YZ 250 88/94 WR 250 90/97 8 33 0 Magneto Flywheel Yamaha WR250Z 1990-97 YZ250 1990-95 7 35 1 Head Cylinder Tapa de Cilindro Yamaha YZ 250 88/94 WR 250 90/97 7 62 0 Juntas Gasket Yamaha YZ 250 88/94 WR 250 90/97 14 72 0