1985 Mercury Outboard V-300 V-3.4L Shop Service Manual, Page 48Get this manual

1985 Mercury Outboard V-300 V-3.4L Shop Service Manual, Page 48

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8 Synchronize carburetors as follows: aRemove bolts and remove fuel line con nect or from mount, then remove sound box cover from engineThi is necessary to be su re that all carbu ret or throttle utte