1968 Evinrude Big Twin, Lark 40 HP Outboards Service Repair Manual P/N 4483, Page 22Get this manual
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fRemove needle valve packing and wasl1ers, being careful to avoid damaging tl1readsSee Figure 3-10 gRemove four screws attacl1ing floa chamber to carburetor bodyRemove float cl1amber and gasketRemove