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  1. K

    Your take on Transom Thickness

    Another reason for the 2” minimum transom thickness is needed to make sure the inner and outer transom parts do not “bottom out” against each other causing the inner plate to crack which will spread out the 2 vertical rear mounting holes. When that happens it is impossible to mount the engine.
  2. K

    Trim motor for old DP290

    Try Arco marine supply for a new motor. Your trim motor might only a set of brushes. Sierra Marine has several so try to google them.
  3. K

    Your take on Transom Thickness

    When Yamaha was in the stern drive business I saw a 25 Bertram that someone butchered in a pair of V6 packages. The inside was cut up pretty bad. One look and I told the owner not to call me under any circumstances. As what Chris said a 400 hp engine combination would work better than a pair...
  4. K

    1972 glas_ply need help with power tilt lines

    I think I may have hit one with my 24‘ Campbell Daycruiser. The La. Wildlife and Fisheries just trapped 2 of them in the New Orleans Municipal Yacht Harbor. Any gator under 7’ gets relocated and anything larger gets a bullet. Every so often they are spotted in the local drainage canals...
  5. K

    How to launch stern drive safely?

    The ball gears are always turning when the engine is running. Yes, the propeller does not spin in neutral. Your throttle /shift is working as it was designed.
  6. K

    Penta 270 Outdrive U-Joint Options

    I used the joints from a 1982 Dodge pickup. A good independent “if you can find one” auto store who still uses books and does not need to know what color the truck is they are for.
  7. K

    1972 glas_ply need help with power tilt lines

    Tools needed. 7/16” socket and ratchet, 3/8” flare nut wrench. When you pull the block down you will be able to remove the 2 lines. Just be sure to mark which one is front and rear and to be safe replace them 1 at a time. The gasket may tear and also the aluminum that the block is made from...
  8. K

    How to launch stern drive safely?

    Just as SD said it is safe to idle in forward or reverse gear with the drive raised enough so as not to grind up the propeller or break a gear. Just be sure to put it down when you are clear of the shallows.
  9. K

    Trim pump problem

    Check under the pump where the 4 bolts hold the valve body to see if any are loose and if there is fluid leaking from the bottom. If the body has to come off disconnect the lines and remove the bolts. There are 4 “O” rings under the valve body which can be matched up at any auto store. Quite...
  10. K

    Stingray mercruiser 3.0 engine problem

    I checked with Michigan Motors who sell rebuilt engines, however they are out of stock at this time. Marine Power has new ones but @ $4500.00 plus freight is a lot of $. Your engine probably can rebuilt locally by a good rebuilder. From your description the timing gears or the crankshaft key...
  11. K

    Tuneup question

    The spark plug wires are longer on a marine engine because of the manifolds.
  12. K

    Firing order

    If no one has removed the distributor the #1 will be at the 2 o’clock position and going in a counter clockwise rotation. 13726548
  13. K

    Starting a jet boat out of water

    I always like to turn the water on first. I was a Berkeley, Jacuzzi dealer. Which jet drive do you have?
  14. K

    Push/pull vs Tru course steering

    Both systems provide the same turning radius. Does the upper gearcase you will use have the 2 bolts against the upper starboard side of the gearcase retaining the plug for the worm gear? If so then the True course will be safe to install. If not I would stay with the push pull system. Are...
  15. K

    Starting a jet boat out of water

    Look to see if there is a “T” fitting in the hose between the pump to the front of the engine. If not then add one that has a female garden hose connection with a male plug to close it when running in the water. You want water going back through the pump and water going through the engine...
  16. K

    Engine backfired and now won’t start

    Remove the spark plugs to check if there is water getting into the engine. Try turning it over next.
  17. K

    1990 5.7. 260 Overcooling at idle.

    I see 2 things that could be the cause. #1 your intake manifold has no heat passage and stays cool. #2 just for kicks move the temperature sender to the port side of the manifold away from the in coming water supply. Where the water exits the thermostat housing does it have the 2 plastic balls...
  18. K

    Solenoid wiring digram

    The yellow/red from the ignition/safety switch must be grounded to cause the fuse to burn, the fuse in question also supplies voltage to the instrument panel. Look at the back side of the panel to be sure the Y/R is not grounded also. The diagram that you have is for a GM engine as the slave...
  19. K

    HELP - trying to drive in inner bearing race... NEED TRICKS

    Try laying a large punch across the bearing cup then be sure to hit the punch in the center to get it started. Even better if you have a thick piece of steel handy. Use eye protection also.
  20. K

    Solenoid wiring digram

    The large black wire that is connected to the where the red fuse wire is looks like a ground wire. That may be what is causing the fuse to burn out.
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