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    83' 115 hp Mariner 6cyl. No power under load, SOLVED!!!

    Background: OK, for a background for future searchers. I have a 83' Mariner that was stored for a few years. When I took it out of storage it started and idled fine, reved up with no load, but in the water under load it would almost die, not getting the boat past 5 mph. What I did: I...
  2. M

    83' 115 hp Mariner 6cyl. No power under load, Electrics?

    OK, the water jacket cover and baffle plate looked fine. Carbs are rebuilt. Compression is 125 +-3 psi on all six cyl. I just started the electrical diagnostics and may have found something. Stator test one of the readings was 5300 (ok range is 5400-6200 ohms). I also found two corroded...
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    83' 115 hp Mariner 6cyl. No power under load, Water Jacket Cover?

    I have an 83' 115 hp Mariner 6 cyl outboard. It ran perfectly 5 years ago when i stored it. Now it starts one first crank revs up on land, but in the water it bogs and can't rev up (no power). I drained and replaced the gas, rebuilt the fuel pump and carbs, good spark, good compression...
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