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DUE TO COVID-19 MEASURES SOME DELIVERIES MAY TAKE LONGER THAN NORMAL.

GT 550 J/K year '72-'73

Item No.: KS-0028
24,90

☑ Check always the jet size.
☑ Clean always the total fuel system and fuel tank.
☑ Replace always the complete float valve and seat, not only the float valve.

For original Mikuni carburetor, made by Keyster.
  • chamber gasket
    - Keyster = YFCG-1 
    - OEM = 13251-11010 
     
  • float valve set 
    - Keyster = KYV-03025 
    - OEM = 13370-18111 
     
  • mixture screw set 
    - OEM = 13269-31010 
     
  • jet needle #Y49 = 5DH21 
    - Keyster = KYJ-0049 
     
  • main jet #98 
    - Keyster = KYM-020098 
     
  • slow jet #25 
    - Keyster = KYS-00B025 
     
  • various O-Rings (behold image)

    Specifications GT550J/K 
    with original Mikuni-carburetor, default
     
    • - Jet needle 3th noth
      - please compare your jetting
  • chamber gasket
    - Keyster = YFCG-27 
    - OEM = 13251-43010 
     
  • top gasket 
    - Keyster = M-43 
    - OEM = 13266-43010 
     
  • float valve set 
    - Keyster = KYV-03023 
    - OEM = 13370-18111 
     
  • mixture screw set 
    - Keyster = K-839SS 
    - OEM = 13269-49020 
     
  • air adjust screw 
    - Keyster = K-643 
     
  • jet needle #Y64 = 5DL36 
    - Keyster = KYJ-0064 
    - OEM = 13383-45030 
     
  • main jet #80 
    - Keyster = KYM-020080 
     
  • slow jet #??? 
    - Keyster = KYS-060015 
    - OEM = 09492-15007 
     
  • various O-Rings (behold image)

    Specifications GS550 
    with original Mikuni-carburetor, default
     
    • - Jet needle 3th noth
      - please compare your jetting