Search results

  1. S

    how do you run an OMC TUFM-21C out of the water?

    there is no id on the engine so i looked up the year and HP. so if a TUFM-21C is a chevy engine then i guessed the wrong model however,what i know is it is a chrysler engine. it has chrysler emobosed right on top of it, maybe on the manifolds, i cant recall, and it is a stringer from...
  2. S

    how do you run an OMC TUFM-21C out of the water?

    this antique is all new to me. i have no idea how to run this on land. anyone remember ? i just googled it and apparently it is an OMC stringer i do not see anywhere to attach a hose to this thing. it is a chrysler motor, and it is a 1973 225 model
  3. S

    Mercruiser Trim Issue (not the usual issues)

    while you are activating the switch, have someone stand on the drive and bounce. if the drive frees up, it sounds like the cylinders are hanging up.
  4. S

    3.0 Mercruiser seems to hang or seize when starting

    it may take several oil changes to get all the water/milky oil out.
  5. S

    3.0 Mercruiser seems to hang or seize when starting

    when you cranked it with the starter, were the plugs in or out? you may have damage to the manifold or worse, the block due to freezing water however, if you were attempting to start it on muffs and let the water run for an extended period of time water may have made its way into the cylinders...
  6. S

    api scan tool opinions?

    techmate mostly does mercuser/mercury. no honda, yamaha, evinrude... the API is relatively cheap if you buy parts from SEI, which i do. they have different teirs depending on how much business you do with them. https://www.sterndrive.cc/product/marine_diagnostic_tool_mercury_yamaha_suzuki.html
  7. S

    3.0 Mercruiser seems to hang or seize when starting

    exactly, i am sitting here reading his post about i guess i will pull the drive tomorrow and i am Yelling at my computer " PULL THE F!@#ING SPARK PLUGS. lol
  8. S

    3.0 Mercruiser seems to hang or seize when starting

    ps, dont be in front of the plug holes when cranking. you could end up taking a bath
  9. S

    3.0 Mercruiser seems to hang or seize when starting

    asnoted above, pull the plugs and see if it cranks. if you are running it on muffs, you may have filled the cylinders with water due to cracked manifold. i wouldnt pull the drive until doing this 1st
  10. S

    api scan tool opinions?

    im a mobile marine technician, i work on multiple engines/manufacturers. i have the techmate pro
  11. S

    api scan tool opinions?

    hi all, i have a rinda techmate and think i need something more advanced. maybe im wrong. i am looking at the API scan tool 5000. id like to know if anyone has used or is using the API &/or rinda to compare them
  12. S

    troubleshoot no spark on a 60hp 4 stroke merc

    can anyone help me out on this ?
  13. S

    troubleshoot no spark on a 60hp 4 stroke merc

    looking for a diagnostic tests for no spark, i have a 60hp mecrc, not sure ofthe year serial # is a923404 i need info on testing the ignition system. the tests i found do not have the same colored wires as in the tests i found.
  14. S

    2014 MPI fault codes 321 & 322

    well, this engine is a catalytic converter engine, 4 sensors, all a pain in the ass to get to, shields and such. the sensor were not cheap, customer wanted OEM and thats what he got. the 02's are new and i am hard to believe that they are bad already. and just an FYI. this is a lake boat.
  15. S

    2014 MPI fault codes 321 & 322

    hi all, i wrote about this issue last year and after tuning the engine, the customer was pleased to inform me it never ran better, then a week later he called saying the DTC light was on again. i have this boat that is throwing 2 hard codes, 321 starboard cylinder bank fuel trim too rich &...
  16. S

    seriously need some experts help on this one, no water exits manifolds

    quick update, all parts installed as it came from the factory and the boat is running nice at 158 degrees. thanks for the input guys,
  17. S

    noise coming from gimbal/coupler area after taking on water

    wuick update, changed out the u joints and nice and quiet now. thanks for the input guys,
  18. S

    89 omc with cobra drive, fights me to shift into neutral

    ok, so this boat has a new cable, fully adjusted with factory tools, the shift interupt switch is operating as designed, the micro switches as well, when in reverse and going into neutral the shift assist kicks in, the shift linkage arm(for lack of better words) lifts up, activating the shift...
  19. S

    noise coming from gimbal/coupler area after taking on water

    the sad part was the bellows job was done less than 12 hrs of use. problem with blckage caused a hose to blow off and the boat was run for about 2 hrs with water being pumped into the engine bay. the alignment is spot on, checked when the new gimbal bearing was installed. it almost felt like the...
Top