1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 344Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 344

MODEL 4GC CARBURETOR DESCRIPTION ,' .Iodel 4GC arburetor is 4-bore down-draft pe which provi es the advantage wo _-bore carb
bead bolts are tigbt (to prevent air leaks) Warm up ngine to operali ng temperaturelea 15 min utes), or carburetor mi salignment
will occur TROUBLESHOOTI NG Refer to tr oub le hooti ng chart in "8" and "8C" ction, preceding NOTE: Refer to ificalionsspec
i[ications 8 for CUrre:1l REMOVAL I Remov flame arrestor2Disconnect fu ine and cilOk heat tube Disconn ec hro ttl rod carburetor
and th rott le return sprin remove 4Remov nuL and 'as hers which atta carburetor to manifold ift rburetor off man if old
Remove an di card rburetor to manifold gasket DISASSEMBL Y CH OKE ASS EM BL Y 1ylount carbur tor on suitahle holding fixture2
Dis con nect intermediate choke rod at upper end3Remov choke cover tachin screws an retai ners, lhen remove cho ke ove rga
ket and co il sembl (rom carb ure tor (F igure 4) 4Caref) lIy lift ba ffle plate from chok housi ng hok ho in attaching ser