Suzuki DF9,9 Service Manual page 99

4-12 FUEL SYSTEM
CHECKING FLOAT HEIGHT
Measure the float height.
NOTE:
Make sure that float weight is not applied to needle valve.
 09900-20101: Vernier calipers
Float height H: 13.5 ± 2 mm
ACCELERATION PUMP
Check that the acceleration pump plunger operates smoothly
and together with the throttle lever when turned.