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  1. K

    1996 maxum 1900 full throttle issue

    Try to hook it up to an 6 gallon outboard tank for a trial run. As already posted, there is a good chance either the rubber fuel is collapsing or the screen in the tank suction tube is plugged.
  2. K

    1976 Chris Craft Lancer 23 Control Arm Removal

    You just have to pry it off. There is a burr that the set screw caused on the spline. Be careful when reinstalling the set screw, it is possible to collapse the outer spline which will bind up the warm up pull out knob.
  3. K

    1984 MCM 140 - one or two piece rear main seal?

    It should be a 2 piece as long as the engine is original.
  4. K

    93 vp aq570 with 280 drive hydrolocked??

    The weakest section of a Chevy block is under the intake manifold, that is where you will find the crack.
  5. K

    3.0l glp volvo penta with yellow sludge under distributor cap

    Take the spark plugs out and try turning the engine with the starter.
  6. K

    3.0l glp volvo penta with yellow sludge under distributor cap

    Where is the boat stored? Inside or outside ? Have you checked the oil?
  7. K

    Still chasing hard warm starting, 7.4 carbed

    Is the timing set? There should be no dribbling at idle on any carburetor fueled engine. You need to start making sure the carburetor is clean with a rebuild kit. Also check that the throttle shaft is not twisted and the blades close tight in the body. 1to 1.5 turns on the idle stop screw...
  8. K

    Still chasing hard warm starting, 7.4 carbed

    Believe it or not but I have seen the symptom you are describing act that way. That was one of the first things I always checked on a tune up job.
  9. K

    Still chasing hard warm starting, 7.4 carbed

    Next time try adding a jumper wire from the + or bat on the coil to the + battery terminal before you try to start. If it starts better than the bypass circuit from the started solenoid is not active.
  10. K

    OMC 350 not starting (I need suggestions on why)

    It could be the boost solenoid. It will have a small yellow/red wire from the start side of the ignition switch with a #10 Y/R going to the main starter solenoid, #10 red wire should have 12 volts and possibly a small purple/black or black.
  11. K

    Volvo Penta AQ131D getting hot

    Since the engine heats up on plane 1of the 2 areas will probably be the cause. Especially if air bubbles show in the clear hose test. The hose connection nipple or the ”O”ring that seals the lower gear housing to the suspension fork. Both jobs are easy and just standard fractional socket head...
  12. K

    Volvo Penta AQ131D getting hot

    Post a side profile picture of the drive. There are 2 places where air can enter the incoming water and we can point them out.
  13. K

    AQ125 water leaking into bilge

    These are the Sierra Marine part #s for replacing the manifold. 18-1930-2. Manifold 18-2991-1. Gaskets 18-8539. Mounting kit 18-3889. Seals When you contact Sierra double check what is included with the manifold. Items ending in 91-39 may come with the manifold. Be sure to order the seals...
  14. K

    Alpha One Gen 2 - Trim will only go a few inches down

    2Xs on the piston check balls and springs. Be real careful and work over something that will contain anything that falls.
  15. K

    AQ125 water leaking into bilge

    The manifold has to come off, it may be possible that the inner bore for the core plug is eroded. If that is the original manifold it needs replacing. The inside of the manifold at the exhaust outlet by now will be also eroded.
  16. K

    Volvo penta 225d over heating problems

    The pump is on the front of the crankshaft. Most times the pump is not the problem but it must be checked first. It is held on with 3 bolts on the crankshaft pulley. Post a side profile of the drive unit as there are 2 other places that can cause an overheat condition.
  17. K

    Closed water cooling 5.0L Mercruiser

    Mercruiser recommends when a belt driven pump is used with fresh water cooling to connect the incoming water from the drive to the raw water through hull intake in a “Y” connection. This way the engine can be ran with the ear muff on the drive. I did the exact same thing on the Donzi I had.
  18. K

    I have a 1989 mercruser tops out at 3000 rpm

    Is this carburetor the original one that let the engine go to 4500 rpm?
  19. K

    1991 Ford 302 5.0 HO omc stern drive engine backfiring under load only not in neutral

    When you remove the filter dump it into a clean bucket. If there is water you will see it separating from the gas.
  20. K

    I have a 1989 mercruser tops out at 3000 rpm

    It appears that you have fuel injection. There is a switch on the shift linkage that prevents the engine from high RPM if the drive is not fully engaged. This switch needs to be checked.
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