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  1. K

    My boat run slowly. 120HP,2.5L,1989

    How much slop does the rotor shaft in the distributor have?
  2. K

    Inspection hatch

    I googled the engine model # and from what I saw it looks like the rear of the pumps un bolt for service. It looks like the steering and reverse controls have to be disconnected. With Volvo’s reputation for ease of maintenance it should be no problem to clean out he barnacles even with the...
  3. K

    1969 Mercruiser 120 shift interrupt issues

    Post a picture of the throttle/shift unit.
  4. K

    1969 Mercruiser 120 shift interrupt issues

    If my memory is correct a bolt was threaded in the hole hole to keep the switch from engaging during the shift cable adjustment then was to be removed. So if the switch is stopping the engine then the drive needs to be removed and the cable replaced.
  5. K

    1996 Four Winns Sundowner with 5.0 Cobra engine and drive

    Hopefully your engine has a roller cam which will rule out a worn cam lobe. With the rocker arms off #2 you can put compressed air into the cylinder. Most likely the exhaust valve face is rusted. You may just have to pull that head for a valve resurface.
  6. K

    I salvaged this 100’ jet drive houseboat and I need help!

    There should be an inspection cover on top of the pumps for the removal of whatever gets drawn into the impeller. Is there a nameplate on the jet pumps?
  7. K

    Ford 460 starter

    2 sources, Hardin Marine and Arco will have what you need. The main thing is to convert to a PMGR version which uses less amperage but provides more torque. The main thing that kills jet drive starters is bilge water because the engine is mounted low in the boat and the flywheel spins it into...
  8. K

    1996 Four Winns Sundowner with 5.0 Cobra engine and drive

    The oil pump drive rod on 351s is larger than the 302. It just might be a loose rocker arm with a pulled stud on #2 cylinder. No need to to remove the intake to inspect for a bent pushrod, you just need to remove the valve cover to replace them. If your engine has a flat tappet cam it could...
  9. K

    1996 Four Winns Sundowner with 5.0 Cobra engine and drive

    2XS with SD on a complete manifold set. I still think a rocker arm stud has pulled up due to a stuck valve. I have in the past freed up stuck valves without taking off the head. I have used a brass drift and hammer to drive the valve down against the spring then tried prying up which worked...
  10. K

    1978 Doral 255B. Penta V8

    There is also a drain hole at the very bottom of the drive, try to plug it when using the muffs to run the engine. This way there will be an ample amount of water to the pump.
  11. K

    1996 Four Winns Sundowner with 5.0 Cobra engine and drive

    That rust leak is from the pieces of the exhaust manifold that have collected in the front of the drive. You can try digging out the pieces. That area is open to the exhaust and the drain hole is to completely remove any standing water when the drive is tilted. Being careful with a drill...
  12. K

    Nola Mike is in Fl

    No matter where you go, you are still a NOLA yat!
  13. K

    1996 Four Winns Sundowner with 5.0 Cobra engine and drive

    If you do change to a 351 the distributors do not interchange. Also while the repairs are being made have every pulley that you can remove sand blasted and powder coated. Or at least try to remove the rust where the belts ride and paint them with some epoxy paint. Rusty pulleys eat up...
  14. K

    carburetor suspect problems

    In addition to the carburetor suggestions. Something else to consider, if your distributor is a breaker point style check that the centrifugal advance is not sticking. Also check that the +or bat side of the coil is getting a full 12 volts in cranking mode.
  15. K

    Water in Oil (Again) Head Scratcher

    It appears that one of manifolds or a riser is the source of the water. The reason that water is on both sides is the exhaust passage under the intake will cause water to be on both sides. Blow out the water by spinning it over then spray oil in each spark plug hole. I do not think the engine...
  16. K

    I may need to shim the upper sterndrive questions.

    The lower bearing cup shim is what sets the lower gear. Upper shim just sets the preload which is around 6-8 in“ lbs of rolling torque. If the recess in the cover is still good and the upper bearing cup fits snug then you just need to install the upper shims until the preload is set. Then...
  17. K

    Mercury Scorpion 350 Will not start

    Is your boat a stern drive or straight inboard?
  18. K

    Need Ideas/Advice/Removal of Broken Upper Vertical Shaft Bearing.

    I also have a Harbor Freight 20 ton press and it is quite handy as I still like to keep my hands dirty. When I had my shop I had a 80 ton press and this much I can pass on. If the parts have friction welded themselves together it takes a cutting torch or a right angle grinder to separate the parts.
  19. K

    Carburetor question

    You are probably right about the carburetor being re cycled and it has the wrong parts in it. Maybe someone on the site has a extra correct one to sell that is rebuildable.
  20. K

    Need Ideas/Advice/Removal of Broken Upper Vertical Shaft Bearing.

    Go to Home Depot or Harbor freight obtain a 4“ or a 4.5” right angle grinder with the abrasive wheels. Start cutting across the bearing, eventually you will be able to peel it off even if it was friction welded. Depending on how bad the shaft surface is you should be able to dress it enough to...
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