4-7 FUEL AND LUBRICA TION SYSTEM
● Disconnect throttle stop screw ⑤.
● Clean the jets with non-flammable cleaning solvent.
● Check following items for damage or clogging.
∙ Main jet
∙ Pilot jet
∙ Pilot air screw
∙ Needle jet
● Clean the jets and body passage with compressed air.
REASSEMBLY AND REMOUNTING
● Install neddle jet, main jet and pilot jet.
● Install throttle stop screw and pilot screw.
NOTE:
Install pilot screw as revolutions to a case of disas-
semble.
● Adjust the pilot screw, when use a new pilot screw.
● Install the needle valve ①, float ② float arm pin ③.
⑤
Main jet
Pilot jet
Pilot screw
①
③
Needle jet
②