This is a continuation of a topic I started on Feb 16. I have an '86 115 6cyl with one low cylinder. Received a couple recommendations for a decarb.<br /> Did the decarb (poured Sea Foam into a nearly vertical cylinder a couple times followed up with a dose of Quicksilver Power Tune). Took the...
Just bought an '86 mercury 115hp. Wasn't running when I bought it ("just needs a new control box - everything else is perfect")<br />Post-purchase examination of the engine revealed a cylinder with a botched helicoil job and a nonfunctional spark plug. I retapped the plug hole for an 18mm...
