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  1. 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
  2. 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...
  3. 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...
  4. 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
  5. 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...
  6. Bt Doctur

    Removing Upper Steering Pin Bushing

    Now install that missing grease fitting
  7. 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 ??????????????????????????????????????????
  8. Bt Doctur

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

  9. 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...
  10. Bt Doctur

    Bravo Shift Cable Adjjustment

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

    Alpha one Gen II upper steering bushing

    let me find the pics
  12. Bt Doctur

    Alpha one Gen II upper steering bushing

    those fittings can be installed without disassembly too. I have a write up and pics in one of my posts and directions
  13. Bt Doctur

    Seal orientation

    The lower seal helps keep water out of the shaft splines ,most are spring upwards. THe upper oil seal must face the gear spring side up
  14. Bt Doctur

    Mercury Inboard taking on water and splashing on engine

    Not knowing what your working on make an answer vert difficult
  15. Bt Doctur

    prop remove to replace seal kit mercury 402 40hp

    maybe in this manual https://www.manualslib.com/manual/1198862/Mercury-40.html
  16. Bt Doctur

    1987 Mercruiser 350 wiring question

    goes to the trim gauge and the trim sender wires go there
  17. Bt Doctur

    Small drain plug?

    if you tell us whats its for
  18. Bt Doctur

    Bought this boat from Auction need help!

    I`d be leery about all those plastic thru hulls
  19. Bt Doctur

    engine pinging and backfires and stalls

    Some type of intake leak causing a over lean condition?
  20. Bt Doctur

    Noob question: where does the sea water enter the engine?

    At what point in the system does the water enter the water circulating pump? And does it exit the pump via the big rubber hose into the T-stat housing? Google gm v8 cooling systems
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