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  1. Bt Doctur

    1995 OMC Cobra v-6 will not rev out under load

    firing order correct? 1,6,5,4,3,2
  2. Bt Doctur

    2009 Mercruiser 4.3l engine wiring diagram

    helpful if you describe the problem your having
  3. Bt Doctur

    Which coil to use?

    but if it did go bad, any gm coil for electronic ign will work. They have internal resisters
  4. Bt Doctur

    Alternator Overcharging

    disconnecting the battery cable lead can do it causing the alt to run wild. dirty connection ,fittings, corrosion,battery switch and connections neg cable at engine loose ,corroded, etc Also a open winding in the alt can do the same.
  5. Bt Doctur

    Wiped cam lobe mechanical fuel pump

    on the pressure switch ,wire it thru a cube relay,This will help preventing damage inside the switch
  6. Bt Doctur

    for discussion

    alpha Gen II housing that was taking on a lot of water. Suspected of using regular bottom paint instead of outdrive paint over the years. What do you think?
  7. Bt Doctur

    Alpha 1 Lower unit. Can’t turn shaft while reinstalling

    rusted up bearing or races in the driveshaft ,the usual culprit is the roller bearing above the pinion gear ,upper shaft bearing not so much
  8. Bt Doctur

    SEI preload and a stern jack

    If the gearset uses the inner spacer between the bearings you tighten to 85Ft/lbs ,if the gearset does NOT use the inner spacer and the gears are a press fit you use rolling torque
  9. Bt Doctur

    Alpha 1 Lower unit. Can’t turn shaft while reinstalling

    how tight did you tighten down the 3 nuts
  10. Bt Doctur

    1970 MC-1 gear oil blockage.

    depending on its age you may have 2 independent oil cavities to drain and fill
  11. Bt Doctur

    Mercruiser 305. Water in cylinder.

    culprits are riser, riser extention (if equipped) manifold . A miss like that iw definitely water intrusion
  12. Bt Doctur

    Mercruiser shifter

    sounds like English is not you native language. . The shift interrupt switch is on the stbd riser with the shift cables. If the arm is moving BUT not stumbling the motor it is not connected and that is the problem...
  13. Bt Doctur

    Ford 302 mechanical fuel pump

    looks like a pump for a Ford motor
  14. Bt Doctur

    Alpha gen 1 shift cable adjustment.. cannot get reverse.

    can you manually move the shift cable to get reverse? could be the shift slide has crud inside it preventing full travel
  15. Bt Doctur

    quick question on shift cable setting volvo sx

    got it done, was a long nite last nite
  16. Bt Doctur

    88 4.3 omc ignition switch

    usually Red is battery, Purple is IGN, Yellow/red stripe starter solenoid
  17. Bt Doctur

    quick question on shift cable setting volvo sx

    looking at the upper arm of the shift mechanism of the drive using a right hand prop rotation for fwd, the rod is attached to the stbd side of the arm ,witch way is fwd gear up or down ? installing a new box and motors not running yet.
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