Search results

  1. Bt Doctur

    alpha 1 gen 1 shift interupt switch

    just remember that switch applies a ground to the ign system that may blow the ign fuse. If that happens you need to wire the coils + lead thru the switch and the other switch wire to switched 12V
  2. Bt Doctur

    No Water Draining From Port Exhaust Manifold

    remove the hose at the therm housing , add water, verify it runs out the drain plug
  3. Bt Doctur

    Need Help Installing Distributor in 4.3MPI

  4. Bt Doctur

    Test stand running 70's 350 water hook up

    My idea is to connect a garden hose with a Y to both hoses at the back of the exaust manifolds. Will that be too much pressure? Thats where the water comes out not in.Connect a hose to the water INLET connection
  5. Bt Doctur

    Can't mate upper and lower gear housing 1979 Mercruiser 140 3.0L

    only thing would be something inside the upper gear like a O ring?
  6. Bt Doctur

    1994 OMC 5.0 EFI no start

    I warmed up motor to operating temp shut it off and decided to degrease motor before winterizing.Being I sprayed degreaser and water (hose) (not pressure) raising steam, did I create my own problem? YES Totally un-nessary to wash a motor. If you got the computer wet, its probably finished
  7. Bt Doctur

    Need Help Installing Distributor in 4.3MPI

    Yep, to have a dist install correctly you need to "back up" the rotor a bit, align the oil pump shaft to the dist using a long flat blade, slip the dist down until seated and have the rotor at the arrow
  8. Bt Doctur

    4.3l mercruiser sterndrive

    only hose that low is the exaust bellow
  9. Bt Doctur

    NPT or NPS

    I would venture a guess it`s NPT
  10. Bt Doctur

    5.0GL - No Power at Coil

    https://www.manualslib.com/products/Volvo-Penta-5-0-Gl-9226208.html
  11. Bt Doctur

    5.0GL - No Power at Coil

    you wont see any numbers on the balancer, your looking for a line/groove cut in the balancer. That is TDC for #1 piston. Also TDC for #1 on the exaust stroke
  12. Bt Doctur

    etec 150

    Had the opportunity to troubleshoot one of these . After a somewhat short run10 minutes it would go into guardian mode. Fuel filters looked good, block temps good. good flow from the pisser, Not fuel related. Found the ecm clogged shut with a white powdery substance. Could not even blow air thru...
  13. Bt Doctur

    Prop spins easily, but not freely

    some are dog clutch gears that will spin freely, some are cone clutch upper gears that turn with the prop and may have a little bind
  14. Bt Doctur

    1987, 454 Help!

    +2 check the pumps pressure
  15. Bt Doctur

    '84 Lund 3.0L IO engine runs, locks up, runs, locks up

    what about the oil level in the drive?
  16. Bt Doctur

    2004 5.0 MPI Mercruiser

    fuel water/sep filter , clogged tank vent, hi pressure fuel pump going bad, injectors clogged.
  17. Bt Doctur

    Alpha One lower unit assembly

    also lubricate the impeller dish soap, KY liquid, etc because you may have to thru the shaft backwards to line up the driveshaft splines. Once raised install the forward nut by a few threads to hold the unit. install the side nuts next. Rotate upper shift shoe to be in a straight line and slide...
  18. Bt Doctur

    Finding the right starter for my 7.4 mercruiser

  19. 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...
  20. 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
Top