2003 Johnson ST 55 HP WRL 2 Stroke Commercial Service Manual, PN 5005483, Page 112Get this manual
FUEL SYSTEM
CARBURETOR4-
Float Valve Assembly Inspect the inlet needle and float valve seat: Check the inlet needle tip for grooves, nicks, scratches, or distortion Check the float valve seat for nicks, scratches, or distortion Check the float for signs of oil or gasoline saturation
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Drain plug or nipple, gasket, and high-speed orifice Intermediate air bleed orifice Float chamber and gasket Hinge pin and float Inlet valve assembly Nozzle well gasket Slow-speed needle and spring Carburetor body cover and gasket
DR4808A