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  1. 7

    1972 mercury 1150 low rpm?

    Looking for some opinions on my rpm issues. Took the boat out today for the first time this season, finished the link and sync and the boat runs great no issues other than only being able to reach 4000 rpm and about 35 mph. I’ve read they should spin at least 5000 rpm. I redid the compression...
  2. 7

    1972 mercury 1150 carb leak?

    just started the mercury on muffs today everything seems to be good expect I have a intermittent carb leak? Upon first start the primer went hard and engine started up great, I let it run for a bit then shut it off to go grab a drink. I came back 10 minutes later and it kept cranking no start, I...
  3. 7

    1972 mercury 1150 timing belt

    Back story: my 1972 mercury 1150 wouldn’t rev up past 3500-3800 rpm, just bought the boat last season went out a few times and started a full restoration on the boat this winter. Just about done everything and I’m trying to install the belt and I’ve been reading my different answers on the...
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