Genuine Keihin spring, washer, and oring for the fuel screw of FCR and FCR MX carbs.
Just the parts…
Fuel screw spring, washer, o-ring (fuel screw not included)
Carburetors, Jet Kits, Air Filters, Fuel Filters, EFI Control Modules
Basic Carburetors Tech Talk: https://youtu.be/KGR6-RsXVKg
Sub-Category
Model
Carburetor Repair Kit