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  1. Bt Doctur

    high voltage to just one battery but not the other (from alternator)

    All battery neg`s should be connected together,Pos should be #1 and #2 on the battery switch. The charging system is showing a fault because its the engine is not connected to the battery neg.
  2. Bt Doctur

    alpha 1 gen 2 lower unit repaint

    Black Appliance epoxy
  3. Bt Doctur

    Water leak to the bilge from transom please help

    could be: bottom of exaust Y pipe hyd manifold gasket corroded hole
  4. Bt Doctur

    Replacing Starter Motor on 1989 Four Winns 180 Horizon with 5.0 OMC Cobra Ford 302 Engine

    May have to remove the exaust manifold for better access
  5. Bt Doctur

    Leaking from...weepholes???

    If its oil you have a leak and the res bottle would be showing low. Your drive is a alpha gen ii type
  6. Bt Doctur

    1992 5.0 stalling

    But it fires right back up with starting fluid Not the best to use but that is showing lack of fuel. Test with a remote tank first. If its now ok you have a fuel delivery issue. the anti-syphon may be causing this or you have a screen INSIDE the fuel pickup tube. Unscrew the pickup tube...
  7. Bt Doctur

    Shifting very difficult

    If its hard in and out of gear check for the shift mechanism damage. If only difficult coming out of gear in the water then check the shift interupter for correct operation
  8. Bt Doctur

    Volvo Penta AQ125/270 overheating raw water not pumping

    Some morors have a fresh water flushout that MUST be capped. otherwise your just sucking air
  9. Bt Doctur

    89 centry palimino with a 3.7 mercruser charging issue.

    I think the yellow stator wires are around 28-35 Volts AC
  10. Bt Doctur

    Serpentine conversion

    the pully either serpentine or V belt will fit the water pump
  11. Bt Doctur

    Spark plugs for 3.0

    think its closer to 2000 using that serial number
  12. Bt Doctur

    Drive stuck in forward position

    http://www.sterndrive.info/sterndriveparts/identify_my_outdrive.html
  13. Bt Doctur

    Drive stuck in forward position

    MC1 drives usually hac=ve a rounded cavitation plate and have a top cap with a hole on top, R,MR have a squared cav plate and have a flat cap
  14. Bt Doctur

    Drive stuck in forward position

    If the prop shaft does not lock CCW with the shoe turned fully CW you have a additional issue. No matter how the shoe is on the splined shaft it can shift into fwd with the prop locked CCW. but to install the drive the shoe must be in a straight line
  15. Bt Doctur

    Drive stuck in forward position

    All alpha series use the same one, the Alpha GEN II use a different one. What is different is the water pump base. There is MC1 ,R and MR. You drive does shift into fwd but just not in the right spot. The brass shoe MUST point straight forward when the prop is locked CCW
  16. Bt Doctur

    Drive stuck in forward position

    Easiest way it to build a stand from 2 x 4 to set the drive on. Will post a pic tomorrow. Remove the trim tab and underneath is another bolt or allen ,remove it. remove the 2 bottom nuts using a 5/8ths deep socket. Remove the front nut, then using a 5/8th open end loosen the 2 side nuts as...
  17. Bt Doctur

    Drive stuck in forward position

    see post 5 yes or no
  18. Bt Doctur

    Drive stuck in forward position

    search the web for "mercruiser manual 6 in pdf form"
  19. Bt Doctur

    Drive stuck in forward position

    You need to do the test in my post. If the shoe moves to the right CW ,that needs to be fixed first. To install : control box full fwd drive in fwd ,shoe straight ,prop locked CCW use wood to adjust the height to slide in shaft and while slightly turning the prop CCW to turn the inputshaft...
  20. Bt Doctur

    1992 Luhrs Motor yacht Drive Shaft Issue

    Worst case is the shaft will part right behind the coupler flange , the shaft will move rearward to bend the prop blades and maybe the strut and rudder post.
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