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  1. Bt Doctur

    U-joint seized into gimbal bearing

    gimbal bearing is rusted too ,it will come out with the shaft. cable and come-along or chain hoist worst case, cut the shaft behind engine, pull engine ,drive out shaft and bearing
  2. Bt Doctur

    Alpha 1 Gen 2 Weak Link

    The weakest link is operator malfunction
  3. Bt Doctur

    350 mercruiser stalling when shifted into gear

    pull the drive and inspect everything, may just be some corrosion or worst case lower cable replacement
  4. Bt Doctur

    3.7 mercrusier 165 horse engine

    did you rep[lace the starter and what one did you use a 470 being a rear entry stater comes in both rotations. with rear entry starters a standard rotation engine uses a reverse rotation starter
  5. Bt Doctur

    Fuel Pump Diaphragm Rupture Hose Type?

    if thats a vac fitting on the lower left of the carb, its not marine
  6. Bt Doctur

    Need help removing mc-1 drive

    that only applies if taking the unit apart, not for removal. 2 things, very bad alignment or a rusted gimbal bearing DO NOT PRY ANYWHERE WITH ANYTHING reattach the cylinders, cut 4 or 5 pieces of 2 x 4 3,4,5,6 inches long place wood between the top of the housing and transom CAREFULLY hit...
  7. Bt Doctur

    Mercarb 2 barrel TKS jet sizes?

    would have been bettor off with a standard 2 barrel
  8. Bt Doctur

    Alpha One Gen 1 transom assembly seal

    adhesive and masking tape until it sets, nothing on the transom side , then carefully install the housing
  9. Bt Doctur

    2008 4.3 ltr. TKS diesels when turning off

    10 oz of plain water poured slowly into the carb will vaporize carbon deposits in the engine. Other than that check the timing and drop the idle some more and enrichen the idle mix. May have to get the tool or remove the anti-tamper device
  10. Bt Doctur

    3.0l oil drain hose leak

    or this
  11. Bt Doctur

    3.0l oil drain hose leak

    heres one type
  12. Bt Doctur

    MASSIVE oil leak mechanic can’t find

    Where is the dipstick? f thru the pan you may have an open hole in the block where a dipstick would go
  13. Bt Doctur

    89- 5.8l OMC with Holley 4160 flooding problem

    have a mechanical that worked fine one day and flooded the next. no rhyme or reason. After a carb rebuild it worked that day and flooded the next. Put a gauge on the pump and it was 14.5 psi . Abandoned it in place and installed the Carter type electric. No more problems.
  14. Bt Doctur

    tank dimentions

    a prelim update. 27 x 48 x 10. Cutting it monday.hope I donrt run into a hidden gas pocket.
  15. Bt Doctur

    tank dimentions

    Starting work on a leaker, anyone know the dimensions before I start cutting? 18 foot inline mercruiser 4 cylinder not the 470 type. deck is carpeted, is that factory? Is there a tank hatch?
  16. Bt Doctur

    88 sea ray with 3.0 mercruiser.

    under 30
  17. Bt Doctur

    Troubleshooting ignition coil 5.0 Mercruiser

    its the first fitting on the tank, looks just like a barb fitting but a bit longer
  18. Bt Doctur

    Troubleshooting ignition coil 5.0 Mercruiser

    need to verify it first, its inside the fuel pickup tube in the tank.
  19. Bt Doctur

    Troubleshooting ignition coil 5.0 Mercruiser

    https://forums.iboats.com/threads/finding-these-on-i-o-s-but-may-apply-to-all-installed-tanks.749555/
  20. Bt Doctur

    Troubleshooting ignition coil 5.0 Mercruiser

    Damm , dyslexkia sucks, cant type those numers correctly .your correct on the TKS 5.0 Try using a remote tank to eliminate the fuel system.If you run good on the remote and you have checked the anti-syphon There may be another filter to remove.
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