Suzuki LT-Z250 Service Manual page 149

Remove the following parts.
7 Jet needle holder
8 O-ring
9 Spring
0 Washer (t=0.5 mm, 0.02 in)
A Jet needle
B Washer (t=1.0 mm, 0.04 in)
Remove the diaphragm by removing the ring C.
Remove the coasting enrichment valve cover D and spring.
Remove the coasting enrichment valve E.
Remove the pilot air jet F.
FUEL SYSTEM 5-9