Search results

  1. Bt Doctur

    Where is the fuel pump on my Bayliner 642 2015 Mercruser 4.3MPI?

    MPI would indicate a cool fuel module .Why not describe whats happening cause those pumps are quite robust.
  2. Bt Doctur

    Mercruiser Alpha One Gen I Winterization

    and the drive kept in the down position
  3. Bt Doctur

    Both my merc 5.0s won’t start

    carb, efi or mpi
  4. Bt Doctur

    1998 Mercruiser 5.0 Intake manifold gasket mismatch issues

    or this dual bolt pattern https://www.amazon.com/Small-Intake-Gasket-Vortec-Standard/dp/B076VK6RYF
  5. Bt Doctur

    1998 Mercruiser 5.0 Intake manifold gasket mismatch issues

    a pic of the head would help identify std or vortec type. Manifold looks to be a standard 12 bolt type not 8 bolt for vortec.
  6. Bt Doctur

    Ever see a twisted drive shaft?

    Have seen a prop shaft like that
  7. Bt Doctur

    Carburetor Issues, Dripping Carbs...

    I have a mechanical one in my v6 and it would put out 15 psi when it felt like it and flood the carb. An eaton pump took care of the problem
  8. Bt Doctur

    2002 Mastercraft 5.7 harmonic balancer moving in and out

    Its very hard to believe you can crack a crankshaft in half and still have it turn and have the motor run.
  9. Bt Doctur

    2002 Mastercraft 5.7 harmonic balancer moving in and out

    The one I had was quiet as a mouse, no rotating noise. Only when the bearing cap was removed did it fall from the block
  10. Bt Doctur

    2002 Mastercraft 5.7 harmonic balancer moving in and out

    right about here
  11. Bt Doctur

    4.3 TKS "Run On" fixed but Slight Loss in Performance

    a very lean mixture setting will do the same thing , get the special tool, or cut it off, grind it off, etc and open the mixture up
  12. Bt Doctur

    2002 Mastercraft 5.7 harmonic balancer moving in and out

    I think there still using the snout as a door stop, if its there i`ll get a pic.
  13. Bt Doctur

    New impeller and housings, no water..

    I would review your work making sure the base gaskets are correct. Never use grease on rubber impellers, K-Y is better.
  14. Bt Doctur

    2002 Mastercraft 5.7 harmonic balancer moving in and out

    Its what happened to one of my customers motors. Claimed the pully was moving and I said impossible . It has 3 bolts and a nose bolt. Pulled the motor and when #1 cap was removed the broken part fell out
  15. Bt Doctur

    4.3 TKS "Run On" fixed but Slight Loss in Performance

    Did you remove the cap on the idle mixture screw?
  16. Bt Doctur

    serpentine belt number

    None, went over everything when the motor was out,does have the SX Duo Prop
  17. Bt Doctur

    2002 Mastercraft 5.7 harmonic balancer moving in and out

    Would not be surprised to have a broken crankshaft on a running motor The snout will fall off when you remove #1` bearing cap.
  18. Bt Doctur

    Visible exhaust after starting

    Too much choke
  19. Bt Doctur

    serpentine belt number

    Customer has no paper work on this boat or engine, The belt is missing? customer is not totally honest on what took place either. Its a V6 Metric cast oil pan. PS low on the port side and alt high on the port side. Can anyone supply a number off their motor. Thanks
  20. Bt Doctur

    Gear Ratio?

    inline 4 cylinder use a 1.98-1 except for the FWC 470 type it uses a 1.84 V6 uses a 1. 65 or 1.84 smal block V8 use 1.50 in Alpha drives BB in Alpha uses 1.32 but have since shifted to Bravo drives
Top