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  1. Bt Doctur

    Finding the right starter for my 7.4 mercruiser

  2. Bt Doctur

    Finding the right starter for my 7.4 mercruiser

    The starter does bolt up and does work on the motor just not with the key. I alligator clip jumped it right at the starter and everything spun fine but doesn't shut off unless i unhook the battery cable. Main lug has Red,system power, Orange, alt feed, and main battery cable. Yellow/red to...
  3. Bt Doctur

    MC-1 shift cable threading stripped

    Correct ,its a tight fit and the Red Loc-Tite keeps it in place This repair has been on for over a year in alt water with no issues of loosening.Threaded rod with some nuts and washers to draw it in
  4. Bt Doctur

    Twin 5.0 alphas,2 power steering pumps?

    Yes, you need PS fluid in both of them, the stbd is active and the port in in by-pass, connected together at the rear of the motor
  5. Bt Doctur

    Swapping out ujoint splines?

    what is the length of the inputshaft? You should take the shortshaft . about 8 inches , not the long one 9 inches
  6. Bt Doctur

    MC-1 shift cable threading stripped

    https://forums.iboats.com/threads/gimbal-housing-shift-cable-thread-repair.723575/
  7. Bt Doctur

    MC-1 shift cable threading stripped

    theres an easier way, stand by a few
  8. Bt Doctur

    New guy - starter wire question

    Key on start sends 12v from the ign switch, thru the control box neutral safety. then to the slave solenoid that sends 12v to the mail solenoid to activate the starter
  9. Bt Doctur

    Flooding...

    bring the hose up to the front of the engine and hook your oil pump directly to it
  10. Bt Doctur

    how to change a prop on mercruiser alpha one outdrive 4.3L 2010 bayliner BR 195

    release the locktab, unscrew nut, R/R prop
  11. 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...
  12. Bt Doctur

    Need Mercruiser 165 Service Manual

    https://www.onesearch.com/yhs/search?intl=us&fr=yhs-ono-ext&hspart=ono&hsimp=yhs-ext&p=wCNGTKQ1YdrAr6lK%2B6s6o4RWxo4AhEPhlgH1XYEVnNLRK%2FrdQq5pHm1Lp1wIdqxRb6WSYtSRY6d6ZEgoIPTWI0t7%2BsVKSVd8rsiD7AfwkDqZdla1wZ1J1f2tAcM7S1TnslbnLbZWSCp37eSg7%2FL%2BLurjlVQyhvi3FV6Jlh4ISb4%3D%2CYGkkdlEYpxZL6c3rlsLGPy9...
  13. Bt Doctur

    302 valve seal and gasket replacement

    Reading the manual Following the manual Having a working knowledge of an engine That said, if your valves STUDS are adjustable and or not positive stop studs tighten the nut until you cant spin the pushrod and go 1 additional turn If they are positive stop, torque the nut down and your done
  14. Bt Doctur

    Replacement Switch for Mercruiser Trim

    Red is power from the buss bar at the pump, Green is down, at the relay, Blue is up at the relay. Do you have the old 3 button type or seperate trailer...
  15. Bt Doctur

    Removing Upper Steering Pin Bushing

    Now install that missing grease fitting
  16. Bt Doctur

    Which gasket is better for impeller install, metal or fiber?

    not knowing the drive cant answer that because we dont know where the impeller is. Could be normal , timing, lean carb, clogged manifold and/or elbow, weak impeller and ??????????????????????????????????????????
  17. Bt Doctur

    Which gasket is better for impeller install, metal or fiber?

  18. Bt Doctur

    Which gasket is better for impeller install, metal or fiber?

    If you would look at how the pump functions you would see that you need a gasket below and above the ss wear plate to prevent it from sucking air. Look at where the pump lives. At planing speed the pump is above the water line in a cavity full of hot exaust and water exiting the elbows. IT IS...
  19. Bt Doctur

    Bravo Shift Cable Adjjustment

    thats how the guide rod is installed. screwed all the way in and jam nut tightened
  20. Bt Doctur

    Alpha one Gen II upper steering bushing

    let me find the pics
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