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  1. Bt Doctur

    bellows house leaking

    If this is a GEN ii drive cut the oil transfer hose before removing the gimal
  2. Bt Doctur

    Changing upper oil seal in Mercruiser alpha one

    I believe the manual is trying to say #24 is the small ring and #25 is the large ring. #25 indicates 2 but the second one may refer to the new type with "rolling torque" that only uses the large ring
  3. Bt Doctur

    Changing upper oil seal in Mercruiser alpha one

  4. Bt Doctur

    Mercruiser Alpha One Gen 2 Leaking Gear Lube from Intake + Not engaging in gear fully after lower shift cable replaced.

    19/21 is correct. unless you damaged the seal during installation it should not leak from there. plug the oil hole with a golf tee and retest the lower unit
  5. Bt Doctur

    Mercruiser Alpha One Gen 2 Leaking Gear Lube from Intake + Not engaging in gear fully after lower shift cable replaced.

    It is a seal under the impeller not a bushing "shift cable adjustment as per the manual I cannot get the prop to lock fully when the shifter is in neutral and lower shift cable is pushed in all the way. " Shifter in full fwd, prop should lock CCW
  6. Bt Doctur

    Changing upper oil seal in Mercruiser alpha one

    If the bearing pack slides off the gear, you have the 70Ft/Lb type and will find the small ring and large ring between the bearings
  7. Bt Doctur

    Is This Normal? Merc 3.0 alpha one gen two 2009

    Do you have the res bottle for the drive? Green oil in the bellow may be the inputshaft seal leaking from intake holes usually is the driveshaft lower seal leaking from the front of the lower usually is the shift shaft seal or plastic housing
  8. Bt Doctur

    How can I remove the three cables on the top when I try to remove engine from boat?

    Sierra 16-2323 or Quicksilver QSL18643A5 slightly north of 125 USD
  9. Bt Doctur

    Trim Down but NOT Up

    jumper to the blue motor wire, motor runs Y or N
  10. Bt Doctur

    Can the base of engine work? Two to bolts under engine are rusted and can

    The rear of the engine is bolted to the rear housing, there is nothing to adjust,pic 3 shows the location of the rear bolts. where the bolts go in are the rear motor mounts. When they go bad the motor lowers and wipes the coupler. So first replace the rear rubber bushings. pic 1 shows the front...
  11. Bt Doctur

    Shift interrupter operation and adjustment after restoration

    achris, the older points motors did ground the neg side of the coil
  12. Bt Doctur

    Mercruiser 470 harmonic balancer installation

    go to a GOOD hardware store or bolt speciality shop ,but a 5 inch bolt of the same thread,a bunch of washer/socket spacers and a couple of nuts
  13. Bt Doctur

    Shift interrupter operation and adjustment after restoration

    You need to understand how the shift system and interlock work together. Properly adjusted on land, you should be able to shift into F gear with full throttle and into R gear with full throttle.. Engine NOT RUNNING If you activate the shift interupt switch shifting, the cables are misadjusted...
  14. Bt Doctur

    How can I remove the three cables on the top when I try to remove engine from boat?

    remove the nuts holding the cables in place, move cables to a safe location, remove fuel line, electrical cables, remove front and rear mounts, remove the outdrive, remove the engine
  15. Bt Doctur

    Engine stalls when put in gearMy boat is a 1979 27 ft Carver Monterey Mercruiser 228 305 4barrel - Alpha Drive The engine stalls when shifting gear

    Some people never learn untill they break something and then complain. Shift cables are wear items. When the start to go bad the shift interrupt will activate stalling the motor. You dont compensate ,increase idle or anything else that stupid, you replace the shift cable.. The shift interrupt...
  16. Bt Doctur

    Ticking or chirping noise coming through exhaust

    could be exaust shutters
  17. Bt Doctur

    2005 Crownline Fuel System Charge/Prime on key turn

    Pretty sure its J6 that supplies a ground to the relay
  18. Bt Doctur

    Mercruiser 200HP 305 CID V-8 Normal Operating Temperature

    Always verify your temp with a laser temp to confirm accuracy of your gauge
  19. Bt Doctur

    3.0 2bbl carb adjustment after rebuild

    Adjust mixture for the best rpm, then adjust idle speed screw to adjust rpm
  20. Bt Doctur

    Won't idle

    leaking carb
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