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  1. Bt Doctur

    Lower unit not going in gear?? Mercruiser alpha1 gen2

    the shaft cannot be removed until you unscrew the cover
  2. Bt Doctur

    Mercruiser 409 engine severe vibration issue

    https://www.onallcylinders.com/2020/08/21/ask-away-with-jeff-smith-out-of-balance/
  3. Bt Doctur

    Lower unit oil leak through weep hole after impeller replacement

    remove the keyway and base plate and pressure test the lower again
  4. Bt Doctur

    Pre Alpha Mercruiser lower shift shaft removal?

    If you mean the carrier the shift shaft comes out the top. you simply unscrew it and slide it off the shaft
  5. Bt Doctur

    4.3 diesling

    I tun 87 with a touch of octane boost, all readings normal ,temp is constant at 145 and after long continuous running I slow to idle speed and let the motor get rid of all that hot water by letting it idle for about 10 min. never any dieseling at shutoff
  6. Bt Doctur

    Shift cable bellows.

    https://forums.iboats.com/threads/lower-shift-cable-routing-alpha-one-gen-2-v8.673206/
  7. Bt Doctur

    Fuel Pressure Regulator 885174 - Repair/Replace

    14 to 15 on Amazon
  8. Bt Doctur

    Lower unit not going in gear?? Mercruiser alpha1 gen2

    unless you also removed the shift shaft itself it will lock when turned clockwise in a straight line and the prop turned CCW
  9. Bt Doctur

    spacer location

    Really have to give us more info ,Didi you replace the rear motor mounts? Did you loosen and free up the front adjusters? Bondo, wasnt there a post by the late Don S about first timers posting something
  10. Bt Doctur

    Knocking when turning

  11. Bt Doctur

    Lower unit not going in gear?? Mercruiser alpha1 gen2

    if you look at the receiver part, it must be in a straight line in full fwd gear. The drive when in fwd gear locked .the top arm in in a straight line
  12. Bt Doctur

    Knocking when turning

    not fully n seating the gimbal will make the same sound even with new U joints Can you elaborate this We used the alignment tool when getting the gimbal bearing back in.
  13. Bt Doctur

    Lower unit not going in gear?? Mercruiser alpha1 gen2

    its almost impossible to not get a GEN II to slip up normally, Did the prop lock CCW ? Was the control box actually in fwd gear ? Meaning the receivers opening was in a straight line? If yes then you put it together correctly and the problem is elsewhere
  14. 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
  15. 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
  16. Bt Doctur

    Name or part # for MC-1 Hook Thing?

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

    Oil, pressure safety switch

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

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

    there is no "stop" adjustment on the way down
  19. 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%...
  20. 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
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