Okay..... mine is fix by Ramly,since i fix FICD the idle is stable even with AC kick in.... suction power (vacuum) is adjustable.For me,I adjust to suck more air untill when AC kick in the idle even a little bit higher than no AC kick in(can adjust untill same level).....purpose to do so is when switch on headlamp at night the idle is 'super smooth' ......:proud:
I'm not pro on this but anyone want to fix FICD on 4G15/4G13 carb can refer this....
(a) I connection just refer to picture 1 (using T-join)
(b) F just use hose to connect to some where can suck in cool & clean air....or add a small air filter also can....
(c) Wiring just follow the diagram..... hope this info could help...... thanks
Picture 1
Picture 2