Product Description - machined from 6061-T6 aluminum the fuel adjustment screw is a carburetor aftermarket upgrade. This item replaces the OEM fuel adjustment screw that comes with the Keihin carburetors found on Honda and Yamaha 4 strokes. The design of the screw allows for easy finger adjustments without the need for a screwdriver. grip lugs ease adjustments. there are notched indicators located at 90° intervals that aid in timing adjustments. The notches are consecutively placed on the outside diameter to indicate the quantity of turns out from bottom. there are four groups of notches from 1 to 4 This item is currently offered in gold anodize.

Isometric view of fuel screw                                                            Photo 1 - fuel screw installed on CRF450

Photo 2 - Alternate view of fuel screw installed