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  1. K

    Boat starts in driveway and on water but not on ramp

    Just to be sure do the voltage check. That will narrow down the problem. A low or no voltage by pass circuit is real intermittent. Remove the flame arrestor, hold the choke open and have someone pump the throttle a few times look into the air horn to see if the accelerator pump is squirting fuel.
  2. K

    Boat starts in driveway and on water but not on ramp

    If there was water in the carburetor it would not go wot. Get a volt meter, check the voltage at the +or bat side of the coil while the engine is cranking. There has to be 12 volts when the engine is turning over. If below that or no voltage then the ignition by pass circuit is the cause. The...
  3. K

    Trim goes up but not down

    2Xs withe Dubs283. You overloaded the circuit jumping from the + on the coil to the pump. The color is easy to remember of the wires In the trim circuit. Green grass down and blue sky up.
  4. K

    Seriously stuck gimbal bearing

    If you cannot remove it with a slide hammer as Chris said then un bolt the bell housing and bellows. With a good punch hit the bearing so that it rotates 180* in the carrier then you will be able to drill through the aluminum outer carrier which should weaken it enough. Then with the slide...
  5. 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.
  6. 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.
  7. 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...
  8. 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...
  9. 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.
  10. 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.
  11. 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...
  12. 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.
  13. 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...
  14. 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...
  15. K

    Tuneup question

    The spark plug wires are longer on a marine engine because of the manifolds.
  16. 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
  17. 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?
  18. 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...
  19. 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...
  20. 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.
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