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  1. Bt Doctur

    tech tip for TBI

    If you have lost fuel to the injectors and have also lost spark the culprit is the dist ign module
  2. Bt Doctur

    closed sections on iboats

    Have contacted them twice with no response about this, even the section for web issues is out. Hoping this gets to iboats Multiple section are closed off , the gold rings are not shown. When trying to access them you get "you have insufficient privilidges or closed to discussion. Can the Mods...
  3. Bt Doctur

    Single point drain tech tip

    We all know it looked good in design but sucked in application leading to cracked block or manifolds. Unless you collect and measure the water leaving the drain and make sure it adds up to atleast 4 gallons something did not drain. The most likely culprit is the block drains being plugged up...
  4. Bt Doctur

    electric outboard, 350 Hp

    https://hyperelectricmarine.com/ Something to see
  5. Bt Doctur

    outboard bleed fitting 22-15133 at bottom of crankcase

    This fitting is leaking thru a very tiny pin hole in the fitting itself. Pictures do not show threads on the new part. How to remove and install the new one? Thanks
  6. Bt Doctur

    For discussion, mercruiser v6 , rochester, edelbrock

    This is my personal boat and have been working on it for about 2 years. 4.3 ,mechanical fuel pump, rochester 4 bbl. Needed to do a haul so I needed to get off my trailer. Motor would not idle so I did a quick and dirty quick cleaning and had a stable idle. Put the boat in the slip , did the haul...
  7. Bt Doctur

    intermittans spark, poor spark Delco EST coil

    Just repaired a volvo v8 with a no run condition. The coil laminations got corroded and rusted and expanded to destroy the coil. The plugs would not fit correctly. Standard products make a replacement coil for $26 or there abouts. Grind and remove the rivets and attach the bracket to the new...
  8. Bt Doctur

    poor spark from coil,not running, intermittant spark

    Just repaired a volvo v8 with a no run condition. The coil laminations got corroded and rusted and expanded to destroy the coil. The plugs would not fit correctly. Standard products make a replacement coil for $26 or there abouts. Grind and remove the rivets and attach the bracket to the new...
  9. Bt Doctur

    manual link

    By PM , link for Johnson 2000 90hp Or why there is a port just below the fuel inlet screen pouring out fuel. Mt first attempt at replacing the fuel pump side . Have no loose hoses left over. Did I mis-alighn something when I had it apart?
  10. Bt Doctur

    A unique locking system for a variety of applications

    I make the female portion from SS and knurled it for grip.,.620 in dia. Installed using a 1/2 bit first then dremel or filing for a tight press fit and installed with 5 min epoxy.. Pin is called an "Avi-Pin" and is the 5/16 size and available from most boat stores. Mc Master Carr/ Graingers, etc
  11. Bt Doctur

    water housing

    for mike 2000 , can send the button for draining
  12. Bt Doctur

    Alpha shift cable repair sleeve

    Cannot find my post about the brass insert to repair the threads in the Alpha housing and someomne on this site was asking about it. Having trouble with the messages to respond here
  13. Bt Doctur

    Firing Orders For The Flat V6 and V8 Caps!

  14. Bt Doctur

    not working right

    Still not right, now its not working with Firefox or IE, only Chrome The programmers just cant stop screwing up this site
  15. Bt Doctur

    There still something screwy about this site

    When going to the message area to dismiss/delete the screen flashes ,with multiple browsers Using Firefox you cannot even start a post ,or go to a 2nd page . Edit and delete dont work with firefox,will work somewhat with Chrome Or Bravo. This site always worked and now it does not And get rid...
  16. Bt Doctur

    Heres an oldie a very early Mercruiser I have nver seen

  17. Bt Doctur

    test post

    testing , pics
  18. Bt Doctur

    2 more things needed on the forums

    New members/posters continually bring up an old post from years ago and add their problem to it. Is there a way to direct a new poster/post count under 5 to have the response directed to an area that lists rules for using a old , dead , post and clue them in so that they start their own message.
  19. Bt Doctur

    how to repair threaded shift cable threads if destroyd removing the cable

    Here you go 39/64 drill bit ..6094 , 1/4 inch pipe coupling, 1/4 x 18 NPSF tap , Red Loc-Tite. With 1 hex machined off, the O.D of the sleeve is .619 leaving a .010 press fit. Once installed tap it thru if preferred but only a 5/8ths depth is needed for the shift cable threads If needed PM me if...
  20. Bt Doctur

    trying to backtrack this , a reverse gear

    Mercruiser reverse gear 48-18577T .Where used? No luck with any mercruiser sites Thanks
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