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  1. Bt Doctur

    94 omc cobra no spark

    sometimes the rotor is the cause. spark goes right thru the rotor to ground on the dist shaft
  2. Bt Doctur

    Oil, pressure safety switch

    the reason most fail is because the electric fuel pump starts drawing more current. this burns out the contacts in these and also the mercruiser ones. the trick is to run the fuel pump thru a cube relay and just use the pressure switch as a contact point for the low current internal cube relay
  3. Bt Doctur

    Name or part # for MC-1 Hook Thing?

    the trim/tilt rams should be doing that
  4. Bt Doctur

    Oil, pressure safety switch

    auto parts Standard , oil pressire/fuel pressure switch PS-64 or Carter A68301
  5. Bt Doctur

    Alpha one gen one trim won't go all the way down

    there is no "stop" adjustment on the way down
  6. Bt Doctur

    Is this fuel pump oil switch NO, and 1/8" NPT thread?

    https://www.ebay.com/itm/157154886712?_trkparms=amclksrc%3DITM%26aid%3D1110006%26algo%3DHOMESPLICE.SIM%26ao%3D1%26asc%3D289600%2C290047%2C289624%26meid%3D371b5d6c07454cbfa7dd77224259bef4%26pid%3D101875%26rk%3D1%26rkt%3D4%26sd%3D272865081986%26itm%3D157154886712%26pmt%3D1%26noa%3D0%26pg%3D2332490%...
  7. Bt Doctur

    should more water be coming out of prop

    in the video is appears its coming from the exaust reliefs and what appears to be a cracked/torn exaust boot
  8. Bt Doctur

    Keep blowing my starter solenoid up.

    Whats a 2.5???????????????????????
  9. Bt Doctur

    Timing tab deteriorated

    any autoparts store will carry a replacement timing tab
  10. Bt Doctur

    2006 5.7L Mag Overheating

    hose might be part of the quick-crack drain system
  11. Bt Doctur

    New Winch or Winch Strap?

    some are, others are just Hi- Tensile
  12. Bt Doctur

    Mercruiser trim up and trailer up non functional.

  13. Bt Doctur

    Lost All Steering on Bravo 3 Outdrive

    be smart to add a grease fitting too
  14. Bt Doctur

    New Winch or Winch Strap?

    aircraft cable is safer yet IF you maintain it Never let it drop in the water Engine store on the new cable and drum Keep winch covered And it will last almost forever!
  15. Bt Doctur

    Mercruiser Neutral Safety Switch?

    poss shorted alt will do the same thing
  16. Bt Doctur

    Mercruiser trim up and trailer up non functional.

    disconnect the plug at the pump,take a jumper from the pos battery and insert into one of the openings. almost certain the vertical one is a positive and the horiz ones are blue and green insert the jumper in all 3. power to power ,noting will happen, blue will raise the drive ,green will lower...
  17. Bt Doctur

    Mercruiser trim up and trailer up non functional.

    check the 3 wire plug at the pump ,might be some corrosion there
  18. Bt Doctur

    Question about Bravo 3 conical clutches

    How the cone clutch works both f and r have the mating recess in the gears.there is a spiral shaft that the cone clutch rides on, the instant is connects with the gear and has resistance the spiral shaft drives it into the gear causing complete engagement. what actually goes bad are the thin...
  19. Bt Doctur

    Hub weight rating

    but why did it fail in the first place?
  20. Bt Doctur

    1972 Mercruiser 165.

    any GM inline 6 cylinder that has the 2 threaded holes to the left of the timing chain cover for the front motor mount. poss replacements the in line 4 FWC mercruiser ,shorter than the 6, would need to fab up a new front stringer then a v6 ,would need to fab up new front stringer motor mounts...
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