Recent content by markle

  1. M

    Starter solenoid

    So ... refusing to believe my battery was dead I took the starter motor out and removed the solenoid to clean up all connections. AQ151 in an old princess 25 boat. Turns out the alternator was seized but as least I got to see how the starter and solenoid join ... only trouble was I didn't...
  2. M

    aq151 or 250a timing!

    after a long day and a dead battery trying to start my motor I have looked up some info on timing and have found two answers ... hopefully someone can tel me which is correct! I am trying to set intermediate shaft timing and one book says to line up with the mark to fire no 1, the other says to...
  3. M

    a thermostats a thermostat right??

    aq151 motor thermostat 33 euro volvo 740 thermostat < 5 euro to my mind they do the same job, my question is ... is this another case of adding the word Penta and bumping the price! As cash rich as I am I do not want to waste the 5 euro on a car thermostat if it doesn't work :)
  4. M

    aq151 manifold help :)

    Re: aq151 manifold help :) For what it is worth here is the after pic it now has some holes for the raw water to exit, but would still appreciate it if anyone has a decent picture of this when it is clean and tidy, I have already taken a chunk of the outer off (should be below the jubilee clip...
  5. M

    aq151 manifold help :)

    Re: aq151 manifold help :) as requested one mega lump of orange metal :)
  6. M

    aq151 manifold help :)

    Random question but to save be wrecking my exhaust manifold does anyway have a picture to show where raw water drainage channels are? Mine is fused in to one mega lump of orange metal and before I try to drill through years of cast metal I am trying to identify where I should be opening! I am...
  7. M

    290 drive engine pull

    Hi gang Just a quick one, I know my way around an engine (just) but have never had an inboard before. I would like to pull the block out but do I need to take the drive off? The boat is sitting on a tidal mooring and I can only imagine the doom when I try to take the drive off at low tide and...
  8. M

    aq151 help :)

    Hi All, I joined up an age ago but now have a new boat, a very old princess 25 :) It is an aq151 engine which is in parts which I am gradually putting together and have hit a problem! I can only turn the cam thru maybe 150 degrees (using the nut on the pulley) or so (the head is on the block...
  9. M

    Splashwell (in the UK!)

    Hi all I have long used this site for research and now have a question of my own! I am rebuilding my shetland 460 which suffered from waterlogged foam thanks to several areas of water ingress. I have cut out the old deck and foam and have laid a new 18mm deck and am foaming underneath...
  10. M

    5cmh - stuck!

    Hi All Just joined up, as I have a problem and hpoing someone can help :) I have a 5hp cmh, and it is seized. I have a feeling it is not the piston as there is a strange squeel if I turn the motor with a long bar on the flywheel nut (flywheel is off). It is very difficult to turn however...
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