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  1. Bt Doctur

    Do your electronics blink off when you start your motor?

    Easily solved by using a small AGM battery and a diode. With the diode in place TO the battery and a wire from the +12v side of the harness to the diode you will keep the battery charged when the engine is running and will not draw from it when starting the motor.
  2. Bt Doctur

    Pro Torque starter bolts from Mercruiser

    Customer bought the new Pro Torque starter but it didnt come with bolts, went to same dealer and asked for starter bolts for a ProTorque .Recieved Quicksilver 10-805343 2 . A tiny bit too long.Had to add a drive mounting washer to eack bolt to actually get the bolts tight otherwise loose bolts...
  3. Bt Doctur

    Mercruiser Manual has a error in torque V6 Vortec

    SM 25 lists the intake bolt torque as 35 Ft Lbs ,that is incorrect .Should be around 12-13 max.
  4. Bt Doctur

    A Unique problem I have never seen

    Have never run across this in my lifetime. Customer buys a boat from Georgia, 5.7 MPI BIII. no water test, no history just that it was winterized. Engine oil is clean and full , belt in good condition, overall appearance VG.bateries are good Now the only problem is the HX is filled with clean...
  5. Bt Doctur

    LED safety issue

    from the Coast Guard https://lightedmag.com/u-s-coast-guard-issues-warning-about-led-lights/
  6. Bt Doctur

    link or screenshot of cumming engine wiring

    Was left with an incomplete job to finish.6 cylinder
  7. Bt Doctur

    etec 150

    Had the opportunity to troubleshoot one of these . After a somewhat short run10 minutes it would go into guardian mode. Fuel filters looked good, block temps good. good flow from the pisser, Not fuel related. Found the ecm clogged shut with a white powdery substance. Could not even blow air thru...
  8. Bt Doctur

    The newest outboard from Mercury

    7.6L, V-12 ,600 Hp, 2 Speed Transmission, Lower Gear Case 45 Degree Turning Angle and a measly $77K...
  9. Bt Doctur

    tank dimentions

    Starting work on a leaker, anyone know the dimensions before I start cutting? 18 foot inline mercruiser 4 cylinder not the 470 type. deck is carpeted, is that factory? Is there a tank hatch?
  10. Bt Doctur

    Never underestimate the power of the mechanical fuel pump

    I was chasing a sometimes overflowing carb since last year. Rochester was original (89) so I figured it might need a rebuild. So in the meantime I replaced it with a Edelbrock that was used by a customer for 3 weeks until he got his back. No issues running . One day I could run the bay for 1-2...
  11. Bt Doctur

    Finding these on I/O`s but may apply to all installed tanks

    plagues by no pickup, stalling, and you have tried all the normal items, then you might also have this Today, 04:51 AM...
  12. Bt Doctur

    Mercruiser/Volvo plastic dist repair item

    https://www.amazon.com/Dorman-90449-Distribution-Repair-Plate/dp/B00BQAJNWO/ref=sr_1_1?dchild=1&keywords=4.3+distributor+repair+plate&qid=1627225916&sr=8-1
  13. Bt Doctur

    Figure this out , I`m confused

    This is from a 351C inboard motor . Needed rear main seal replaced and during reassembly this was found. All 6 flywheel bolts are exactly the same. Never seen anything like this .
  14. Bt Doctur

    poor performance, sluggish, no power above 3000 rpm

    Just to set the stage that was a few of the issues.End of last season customer forgot the fuel fill and we had a heavy rain, guess where it went.Motor started then stopped and would not run. Drained the tank, fuel sep, removed carb and turned it upside down , etc. Got the motor running with a...
  15. Bt Doctur

    whats this?

    You have insufficient privileges to reply here. freqently asked questions section
  16. Bt Doctur

    for "stang 32"

    check your email
  17. 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
  18. 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...
  19. 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...
  20. Bt Doctur

    electric outboard, 350 Hp

    https://hyperelectricmarine.com/ Something to see
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