2003 Suzuki LT-Z400 Factory Service Manual, Page 118Get this manual
FUEL SYSTEM
VALVE SEAT Install ttle valve seat Tto the car-t)uretor ttle screw
and then
fl1ake sure that the cniar
sere!1 ') holds the
valve seat
DIAPliRAGfvl Instali the
thp WIlen rnake sure the seatecl at tliB concave section of tlie carburetor
CAUTION
the removed