Float Level Inspection; Vacuum Chamber Assembly - KYMCO Grand Dink 250 Service Manual

13
. FUEL SYSTEM/CARBURETOR/
FUEL PUMP/ FUEL TANK

FLOAT LEVEL INSPECTION

Measure the float level at the location of the
main jet (just contacting the float valve).
Float Level: 18.5±1.0mm
Replace the float if the level is incorrect.
Check the operation of the float and then
reinstall the float chamber.

VACUUM CHAMBER ASSEMBLY

First install the jet needle and spring into the
vacuum chamber and then install the needle
holder.
Install the vacuum piston into the carburetor
body.
Install the spring.
Install the vacuum chamber cover and tighten
it with the two screws.
＊
• Be careful not to let the diaphragm slip.
• If the diaphragm cannot be positioned
correctly because of expansion, dry the
diaphragm before installation.
Float
Vacuum Piston
Needle Holder Jet Needle
Vacuum Piston
Spring
GRAND DINK 250
Diaphragm
13-16