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  1. K

    1989 3.7L 224/165H

    Have had the heat exchanger pressure tested?
  2. K

    Engine won’t turn over

    Remove the 2 socket head screws from the steering helmet. With a 1/4” 20 bolt about 2” long screw the bolt into one of the threaded holes in the helmet to back it out. Flip the helmet forward and remove the worm clamp on the bellows and the front clamp also then work the bellows forward...
  3. K

    Overhauling my 1988 MerCruiser 4.3 ltr. engine

    I always used Permatex #2 black for the head bolts. The main thing as Lou said run a tap through the bolt holes.
  4. K

    Mercruiser 6.2L MPI overheating

    At this point you have 2 options. Use heat in the area of the screw and with some vise grips gently try to get the screw to move back and forth while using some penetrating oil which might work. Shear off the screw and drill and tap new 10/32 threads to remount the sender which I have done in...
  5. K

    Gasket..Glue or no Glue

    I do not ever remember using sealer on that gasket. I have even used them over .
  6. K

    Engine won’t turn over

    What does the drive shaft bellows look like? If it is torn then the only other thing could be the bearing in the housing that connects the engine to the drive.
  7. K

    Engine won’t turn over

    2xs on Scott. Before you pull the drive remove the drain plug and watch what drains out.
  8. K

    1994 Mercruiser 3.0 high idle off plane

    The idle mixture screw/s should be 1.5 from lightly seated or 1/4 either way. Something else to check is the centrifugal advance linkage in the distributor. Remove the breaker point plate and lightly oil the pins that mount the counter weights. The pins should not be loose either. When you...
  9. K

    Mercruiser 6.2L MPI overheating

    According to the consensus on the Donzi site the best thing to do with a Bravo is to add a pickup through the bottom with a sea chest and a valve. You can hook up the line from the drive with a “Y” connection which is also a suggestion in the Mercruiser service manual, that way you can still...
  10. K

    Mercruiser 6.2L MPI overheating

    It will be interesting to find out what is causing the blockage.
  11. K

    Alpha 1 Gen2 - Gimbal ring tabs cut off

    All that had to be done was to shave off 1/8” off of each side to fit the drive on instead of butchering the gimbal ring. There is a large boat and drive part salvage yard in Marrero,la. The Boat Yard. It is located on the West Bank across from New Orleans. I have been there many times and...
  12. K

    Intermittent oil pressure readings

  13. K

    Intermittent oil pressure readings

    A good chance the sender has a ruptured membrane. This happened to me several years ago. The inside of the sender fills with oil and the pressure equalizes on both sides of the membrane. Be sure to specify that you have dual gauges when ordering. Still a good idea to verify the pressure with...
  14. K

    Starter issues

    It appears that the starter needs replacing. According to the local starter/alternator/generator shop when the field circuit fails that is how a starter will act. If the starter spins but does not engage then the armature shaft is rusted and preventing the solenoid from engaging the drive into...
  15. K

    1960 4 CYL Volvo Penta Parts

    With the model & serial # s those parts are probably still available . Other than the marine specific parts engine parts are basic automotive. The electronic ignition may be the same kit as a Volkswagen. People in Sweden keep their cars/boats forever so Volvo should still have the parts.
  16. K

    Dual solex carbs

    You need to get a Volvo service manual and Be sure that the carburetor is assembled correctly. There is supposed to be a plate under the carburetor with a tab that protrudes into the air stream which helps atomize the idle mixture, if that plate is missing that could be your problem By adding...
  17. K

    Engine oil pan leak

    It also goes by the design of the boat. I think some boat builders lay the engine on the floor and see how tight they can get the engine surrounded. Most time I was able to pull the engine from the bellhousing.
  18. K

    Engine oil pan leak

    While you are at it plan on replacing the timing cover as it never was painted from the factory because the circulating pump was mounted. I must beg to differ with All dodge in reference to removing the out drive. It is easier to separate the engine at the flywheel housing. Hopefully the...
  19. K

    1974 140/1R outdrive tilt/trim

    You can get a empty ram tube and swap the internals. Sierra has them #18-2148 is a empty ram tube. #18-2291 is the seal/ O ring kit #18-2142 is a complete ram. Good luck.
  20. K

    1974 140/1R outdrive tilt/trim

    The reverse lock valve which keeps the drive from raising in reverse was either not adjusted or the drive was shifted in reverse is the cause. Later model Mercruisers incorporated a check ball in the pump which eliminated the shift linkage valve. You said you “hacked” the hydraulic system does...
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