OS Max OSM29081910

This is the optional Return Needle Set for the O.S. 60M carb (OSMG2470) that is used on the .91 SX-H C. Allows for the adjustment of the return fuel volume, which enables adjustment of the mixture around hovering One return needle holder (not available as a seperate item) One return needle (OSMG7105) One needle o-ring (OSMG7388) One ratchet spring (OSMG8172) One 2.6x5mm hex head screw (threads into the end of the needle and allows the adjustment of the needle with a hex-wrench) Removal of the return screw and installing the return needle following the included instruction sheet This needle-valve adjusts teh ruturn fuel volume. Therfore, closing the needle reduces the volume and the mixture becomes rich, and opening the needle increases the volume and the mixture becomes lean kpm11/29/2004 ir/jxs