Carburetor air fuel mixture screw designed for VM22 carburetors used in off-road ATVs and motorcycles.Compatible with models such as YBR 125 from 2005 to 2010, 2012, and 2014.This air mixing screw helps regulate the air-fuel ratio for proper engine performance.-machined to fit standard VM22 carburetor configurations.Suitable for use in motorcycle and ATV applications requiring accurate fuel mixture adjustment. Compatibility Statement: This is a third-party replacement.Brand/model references serve only as compatibility indicators.