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    Hydrofoil or Trim Tabs??

    Your local boat shop can assist you.----Stop running this motor until you find out what is wrong.
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    Hydrofoil or Trim Tabs??

    No way that this boat needs trim tabs !!!
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    1956 Johnson 10 HP QD-17

    Well-----Nature does this.-----The spline in the crankshaft is carbon steel.-----Oxygen from atmosphere JOINS with the steel and forms RUST ( iron oxide ) or Feo3 I think.-----So over time this adds material ( oxygen ) and jams it up one molecule at a time.
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    Hydrofoil or Trim Tabs??

    Find out what is wrong with the boat set up or the motor.-----That boat with a 115 HP motor should take off like a rocket and go 40 miles / hour.
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    Winner boats

    I replaced the plywood in the transom of a " Winner " boat.------Surprised that it had wood in there.----Stringers were a glass structure. and no wood there.
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    Please help looking at a boat tomorrow

    Labels indicate Mercruiser.-----I believe the white paint ( first picture ) made this confusing.
  7. R

    Losing a cylinder

    Not interested in testing the parts first?
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    Bike tires

    I do not believe I would ride on a motorcycle with an 8 + year old tire.-----Well maybe just around town , not on the interstate.----Many years ago I worked at a tire factory ( quality control ) laboratory.-----I tell folks that tires are all black , but they are not all the same.
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    Emergency kill switch options on 1980 70hp Evinrude

    Find / install a kill switch from a newer control box.------Or find one from say a 9.9 / 15 HP.-------Or hurry to a boat shop and order a universal one.----Most boat shops will help you.-----You need a switch that closes to stop the motor.
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    Please help looking at a boat tomorrow

    For a few years the SEARAY folks did use Mercury / Mercruiser products and they were painted white.
  11. R

    Please help looking at a boat tomorrow

    --Volvo uses the GM blocks .----One picture is not really enough.----A few more pictures help.
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    New comer like to buy a boat!

    Lots of boats from USA have been shipped to places where folks have time and ambition , but little MONEY to fix them up.----Usually there is nothing wrong with the HULL material.------Just wood structure that needs the time input.-----But buyer BEWARE of hurricane damaged boats.
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    Bleed restrictors in line 6 cylinder.

    Inline 3 , 4 and 6 cylinder bleed restrictors.------I use 8-32 stainless set screws.------Drill a 0.040" hole in the setscrew .------Drill and tap the block.---Install and peen the thread.-----Never to fall out again.
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    1976 mercury 115 won't start

    Perhaps the trigger unit is no good.-------Go to ----cdielectronics.com----For some top trouble shooting tips.----Throwing parts at it get expensive in a hurry.
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    Force piston rings

    Perhaps I helped you by coaching on new rings in old pistons !!!-----Simply go to ----mercruiserparts.com----Click away and find the FORCE part # for your model # of engine.
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    Force piston rings

    Putting new rings into worn grooves on a 2 stroke is NOT a good idea.----Perhap E-bay with the part # will get you results for new pistons and rings.
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    Mercury 500 1971 50hp won't start

    Trouble shooting on YOUR motor needs to be done.----Good luck with it.----Bring it over as it won't take long to figure out what is wrong..
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    Please help looking at a boat tomorrow

    OMC sterndrives are not at the top of the hit parade.-----Many shops will not work on them.------But if you know tools and mechanical work it can work out for you.
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    1978 115 hp evinrude top end issue

    I think it would be easy to figure out what is wrong.----Time to do some real trouble shooting.
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    Mercury 500 1971 50hp won't start

    I say there is something wrong with your motor, yet you say that the starter works " perfectly "-----Maybe pull the motor apart to check the bearings.
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