Sym FIDDLE 125 Service Manual page 51

4. FUEL SYSTEM
AIR CUT-OFF VALVE
Removal
Remove the vacuum hose clamp and then
the vacuum hose.
Remove the screws (screw x 2) of the air
cut-off valve and its cover.
Remove the spring and vacuum diaphragm.
Check if the vacuum diaphragm for
deterioration or crack.
Installation
Install the valve as reverse order of removal.
Cautions
Do not damage the vacuum diaphragm
or in opposite installation direction.
4-6
Screws ×2
vacuum diaphragm
SYM
screws