mercury 1150 timing

Discussion in 'Outboards' started by Cory247, Sep 27, 2013.

  1. Cory247
    Joined: Sep 2013
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    Location: wynnum

    Cory247 Junior Member

    Hey guys so I checked my timing last night and it's like 180 degrees out its ridiculous and I have no idea how to change it! Does anyone know how I fix this?
     
  2. Mr Efficiency
    Joined: Oct 2010
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    Mr Efficiency Senior Member

    Manuel was Basil Fawlty's waiter, manual is a book used to find instructions. :D
     
  3. Cory247
    Joined: Sep 2013
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    Cory247 Junior Member

    I cant find anything on how to adjust the timing in it that's why im asking here
     
  4. Mr Efficiency
    Joined: Oct 2010
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    Mr Efficiency Senior Member

    Sounds like a useless manual. You really need to adjust timing under load conditions, commonly this was done with a 'work wheel' installed in place of a propellor and run in a test tank. Your timing may be OK the way it is, I would run through the check list of other possible problems you can actually do yourself.
     
  5. powerabout
    Joined: Nov 2007
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    powerabout Senior Member

    engine got a distributor or is it ADI?
     
  6. Cory247
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    Cory247 Junior Member

    Yeah has a distributor but it's the one without points
     
  7. powerabout
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    powerabout Senior Member

    you dont need a timing light but you will need a dial indicator to set the timing pointer
     
  8. Cory247
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    Cory247 Junior Member

    So if I get my hands on a dial indicator and set the timing pointer what do I do from there to adjust the timing itself?
     
  9. powerabout
    Joined: Nov 2007
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    powerabout Senior Member

    not easy to explain but easy to show ( havent done this for 25 years)
    you need a spark checker on plug 1 lead, turn the key on and you rotate the distributor by hand and it will fire therefore,
    you move the flywheel to the correct position hopefully the timing sticker is on the flywheel or you will need the dial indicator to set the flywheel to the correct place then you turn adjust the primary pickup screw and the max timing by turning the distrib you will hear the spark and then set the screw to set the distrib movement.
    Still need a manual to get the timing speck or the piston travel equivalent for the dial indicator.
     
  10. PAR
    Joined: Nov 2003
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    PAR Yacht Designer/Builder

    Pull the distributor and check the split pin on the drive gear. It can break and the gear will spin 180 degrees and bind up on the broken stub of the split pin, causing a 180 out situation.
     

  11. powerabout
    Joined: Nov 2007
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    powerabout Senior Member

    I thought the top pulley was on a parallel key?
     
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