Sym Joyride125 Service Manual page 48

Installation
Install needle, spring and needle seat to vacuum
piston.
Install vacuum piston to carburetor body and
align the indent on the diaphragm.
Install compress spring.
Install vacuum chamber cover and tighten 2
screws.
Caution
˙Do not damage vacuum diaphragm.
˙When tightening the vacuum chamber screw,
hold down vacuum piston.
Piston
Needle
To this chapter contents
4. FUEL SYSTEM
Needle seat Spring
Screw ×2
4-7