Replace Part Number: EJ5Z-19G490-A(EJ5Z19G490A), GJ5T-19G490-AB, GJ5T19G490AD, CJ5Z19G490A, 590-419. Users may also refer to online installation tutorials for self-installation. Carburetor Pilot Jet For Mikuni Carb 34 HS40 HSR VM28/486 TM40 #15-25 #30 -40.
