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  1. Scott Danforth

    1987 Beretta SS

    from the only authorized place for OMC manuals. https://outboardbooks.com/ please note that OMC was operating as a JV for outdrives between 1994 and 1999 which was primarily volvo stuff with OMC stickers, and they went out of business in 1999 parts for your 2.3 are mostly NLA the 2.3 was...
  2. Scott Danforth

    Mercruiser 7.4 from 1999 will not start (starter not turning), sometimes

    so basically the troubleshooting in post #3
  3. Scott Danforth

    Mercruiser 3.0 probleem with start and popping

    pull the starter and have it serviced. the starter distance to the ring gear is standard across all GM motors. what you are getting isnt slipping. its improper bendix travel from the stater. if the mechanic is pulling the motor, expect the bill to be about $1500 - $2k
  4. Scott Danforth

    Aq271c Engine wont rev past 2000rpm

    your mechanical weights may not be not fully traveling. you should be at 28 degrees at 2800-3000 RPM (sticker stating this is on top the vanity cover on the spark arestor). you can bump your base timing to 8 degrees. already covered the fact that the carb is smaller than the Holley 715 CFM...
  5. Scott Danforth

    Need help with my 3.7l mcm 180

    step 1 pull the out drive (information and videos in the stickies in the mercruiser section) step 2, try the motor, if it is not seized, then work on the typical 470 issues and fix the out drive. if the motor is seized, find another because if it sat for any length of time, it will require a...
  6. Scott Danforth

    Mercruiser 7.4 from 1999 will not start (starter not turning), sometimes

    Intermittent connection
  7. Scott Danforth

    Mercruiser 7.4 from 1999 will not start (starter not turning), sometimes

    start with cleaning all the battery cable connections between the battery and the motor. alsocheck the quality of the slave solenoid. if that doesnt fix it, then pull the starter and have it tested
  8. Scott Danforth

    Need help with my 3.7l mcm 180

    if your outdrive is siezed, your motor wont ever turn over as the outdrive is splined to the engine (all the shifting of an alpha drive is done in the foot with dog clutches) step one, pull the drive. regarding the water pump. no way that the cam driven impeller can hold the motor back, even...
  9. Scott Danforth

    Boat submarining question

    the videos you see are usually inexperienced boaters following too close to another boat. then again, while anchored, the bow wave of a freighter hit us, first wake wave raised the bow, which then came down due to gravity and plunged into the second wake wave filling the boat with about 200...
  10. Scott Danforth

    1973 starcraft 4cyl inboard

    stop service your points, or pay someone to service your points pull your carb apart and service your carb, or pay someone to service your carb. turning the screws does nothing if the needle and seat are stuck open. also, if the clear tygon tube has fuel in it, you need a new fuel pump.
  11. Scott Danforth

    Replacing mercruiser 485

    you have a boat that is over 15 years old. its part of boat ownership. do some test drills down below. compared to most transoms, that is in good shape. I have repaired transoms with mushrooms growing out of them in the past.
  12. Scott Danforth

    4.3 swap

    you will want to verify. if its a 1985, the crank shaft and block are different than 1986-1987 you will want to verify engine casting numbers here is some short reading on the 4.3 https://forums.iboats.com/threads/complete-history-of-the-4-3-liter-with-casting-numbers.693935/
  13. Scott Danforth

    Oil Pressure Below Mercruiser Limits Per Manual

    how did you overhaul your motor? be very very very specific did you plastigage the bearings? did you replace the cam bearings? did you get a new oil pump? did you go to thread-in oil galley plugs or did you use welsh plugs? did you braze the oil pickup to the oil pump body? why are you running...
  14. Scott Danforth

    4.3 swap

    1984 will not be a 4.3. 4.3 did not exist until 1985 at best, the 1984 is a 3.8
  15. Scott Danforth

    Power steering fluid leak

    once you get it out, pressure test it. you will most likely find that it is a hose. these can easily be repaired
  16. Scott Danforth

    Tow Rope in 120XR Sportjet

    yes, get the rope pieces out
  17. Scott Danforth

    Need help with my 3.7l mcm 180

    No
  18. Scott Danforth

    Are Adhesive Keel Guards Effective?

    Yes
  19. Scott Danforth

    1973 starcraft 4cyl inboard

    What is your compression? Did you service the points? Did you service the fuel system?
  20. Scott Danforth

    1993 MerCruiser 4.3L V6 RAN OUT OF OIL

    If your oil pressure was 300 psi, still wouldnt push RTV out from under the manifold
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