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  1. Scott06

    Need Help with 8.2 Mercruiser

    Yes it could be. Basically will be down on power. What warning comes on? one thing that normally inhibits is the gearshift indicator seeing neutral. there is zero compression in end cylinders? would think exhaust is leaking water and hanging up valves @alldodge may have some thoughts too
  2. Scott06

    Transom ski hook to ski rope

    I usually wrap it around (from where you have it) twice. Push the end of the rope through the loop and around the hook, wont come of when it gets slack picking up the skiier/boarder. I also have used the same for towing tubes for years no issues
  3. Scott06

    Water in Oil

    check the power steering cooler if PS fluid is milky. Does it by chance have a combination PS and engine oil cooler that may have cracked? Would answer both water in oil /PS fluid
  4. Scott06

    Thunderbolt IV

    The low oil pressure switch will either be on top of block by distributor or down by the filter. The sender is for the gauge , the switch makes an audible alarm when oil pressure is low. Depending on the year the alarm system for merc sounds for low oil pressure, high engine temp, and low drive...
  5. Scott06

    Gear oil leak from stern drive

    92 would probably be a gen 2 , cut over year was 91 When merc started making them. had a 1991 sea ray that had by serial number one of the last gen one drives made, serial was just below the cutoff …unless a builder had a bunch laying around
  6. Scott06

    1989 Mastercraft prostar 190

    Depends on how you want to use it. The low deadrise hulls that give smooth wakes can be rough riding in some chop. If you are into skiing then go for it.
  7. Scott06

    Gear oil leak from stern drive

    pictures are not working on this site at moment. likely the seal under the water pump or shift shaft seal. take drive off drain oil and pressure test the drive use soapy water on seals to diagnose.
  8. Scott06

    Delco est shunt tool

    So you are not getting enough total advance? without the shunt what do you get at idle and what do you get at 3000 rpm? Do you have an advance timing light
  9. Scott06

    Wiped cam lobe mechanical fuel pump

    How much metal came out of the oil pan? would keep changing and cutting filters open
  10. Scott06

    1984 Mercruiser 470 Starting Issue

    because if you can fix it you can save some money. Have bought both project cars and boats over the years, and houses too... but you have to enjoy the project and have to have the skills to get it done. My current boat I bought with a known cracked engine block. repowered and saved a bunch of...
  11. Scott06

    MerCruiser 4.3L V6 engine block part identification needed

    if it is in the exhaust cross over like for the choke stove you will have to post pictures elsewhere and drop a link
  12. Scott06

    Wiped cam lobe mechanical fuel pump

    1 &2 should be normally closed at rest, 1&3 will be normally open at rest. hook wire from starter to 1 , supply from ignition hot to 3 , wire to coil to 2. will will supply 2 when cranking , 3 will supply 2 when ignition is on Of course test this out on the bench Ohm meter plus compressed air...
  13. Scott06

    Wiped cam lobe mechanical fuel pump

    Yes you can T the switch and sender to same port . Will likely be 1/8” npt On later engines like mine this is exactly how mercruiser does it.
  14. Scott06

    Mercruiser 3.0 LX spark plug failure

    I had a center electrode come out of an NGK plug on a Toyota was rattling around in combustion chamber intermittently tapping. Like u I thought engine was really messed up, took valve cover off saw nothing amiss, for lack of any other thought took a plug out and saw the center electrode is...
  15. Scott06

    Which coil to use?

    Electronic ignition coils like used on HEI have an internal resistor, points type coils use an external resistor. Will have a resistance wire in Barnes or ballast resistor to lower voltage to not burn up Points
  16. Scott06

    1989 Sea Ray thunderbolt no spark

    Test the sensor in the protocol that BT posted u can verify if it is sensor or module then make intelligent decisions. Google Delco est for 4.3 to see current costs as that is what I would do to tell u …
  17. Scott06

    1989 Sea Ray thunderbolt no spark

    Google thunderbolt troubleshooting there is a guide in the manual that u should follow including tapping the white green wire to ground You replaced the distributor did u also replace the sensor in it ? The TB ignition is one of the best systems out there . Only issue is if the module dies...
  18. Scott06

    Online parts supplier recommendations

    I order from OSD in Ohio They have been pretty good over the years helped keep our 04 GTI RFI LE Also used the following Leaders rpm Seadoo parts warehouse
  19. Scott06

    mercuiser 888 wont idle below 1000 rpm

    Yes it should open them slightly, set the screw whee it will remain idling about 650-700 rpm. Iif completely closed it wont idle . As outlined you need to do this while setting the timing and idle mixture
  20. Scott06

    mercuiser 888 wont idle below 1000 rpm

    there should be a idle speed adjust screw that sets idle speed. if this is missing or miss adjusted yes it will die. shown in second pic in article...
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