Laboratory flow analysis proves Boyesen dual-stage reeds out-perform standard reeds They permit greater flow velocity over the entire range of operating pressures Increased performance from start-up to top acceleration Top racers and knowledgeable riders coast to coast make Boyesen Racing Reeds their first step in getting more power, more performance and more pleasure from their high-performance bikes Specificatii produs COD PRODUCATOR 639 GREUTATE 0.0280 Kg IMPACHETARE Bucata MATERIAL Fiberglass MODEL 639 NOTA Sold each - order one per cylinder (not one per machine) STIL Dual Stage TIP Power Reed KAWASAKI KX 125 J KX125J ALL 39 PS/ 29 KW 1993 KAWASAKI KX 125 J KX125J ALL 39 PS/ 29 KW 1992 KAWASAKI KX 125 H KX125H ALL 33 PS/ 24 KW 1991 KAWASAKI KX 125 H KX125H ALL 33 PS/ 24 KW 1990 KAWASAKI KX 125 G KX125G ALL 33 PS/ 24 KW 1989