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GS 400 year '77

Item No.: KS-0223

☑ 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-16B
  • float valve set 
    - Keyster = KYV-20020
  • mixture screw
  • jet needle #Y60 = 4F23-3 
  • main jet #113 
    - Keyster = KMM-010113
  • slow jet #22,5 

    specifications GS400 year 77 
    with original Mikuni-carburetor, default
    • - float level 26,3 mm