Replaces:
ZAMA RB-85
Fits Model:Zama C1Q-S41B; C1Q-S42B; C1Q-S47; C1Q-S53, A; C1Q-S56; C1Q-S60 carburetors; Stihl FS4137 S.T., HS75, HS80, HS85, BG4227, FS46,FS55, HL45 and 25cc ST/Brazil
Specifications: Not compatible with greater than 10% ethanol fuel
