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  1. M

    2004 Mercruiser 3.0 Aplha One won’t start

    Do you still have the old ignition parts? Put the old parts back in to see if it will run. You may have a bad part. Cap or rotor incorrect or damaged. Just because it is new, does not mean it is good.
  2. M

    2004 Mercruiser 3.0 Aplha One won’t start

    It sounds like something electrical was not reconnected properly. Check everything that you touched during the maintenance. Is the coil wire connected properly, resistance in coil wire? Check for broken coil wire. Use a spark detector to check spark coming from the coil.
  3. M

    Fuel system problem on 13 yo storage boat

    I took apart the anti-siphon valve and dip tube. The ball in the valve was stuck in a partially open but mostly closed position. A hard push with a paperclip, carb cleaner, and compressed air, it was functioning normal. Everything was put back together and tested on the lake. The engine runs...
  4. M

    Fuel system problem on 13 yo storage boat

    I will be removing the fuel pick up tube and anti-siphon valve for inspection and replacement if necessary. Is there supposed to be a screen or something similar in the end of the pickup tube as a strainer? When I put it back together, what should I use as thread sealant? I have some...
  5. M

    Fuel system problem on 13 yo storage boat

    The sender was pulled to siphon the old gas. Not much in there. It was drained down to close to empty when it was put up. What there was had what looked like some kind of algae growing in it and it stunk bad. It was siphoned and suctioned a bit. I will re-inspect the tank and anti siphon valve...
  6. M

    Fuel system problem on 13 yo storage boat

    The fuel tank was drained as much as a siphon could drain it. Fresh fuel added. Where, and what is the anti-siphon valve? The fuel pump is a mechanical pump, not electric. It will only pump in pulses when the engine turns to fill the float bowl. I would think there is a spec on volume/time fuel...
  7. M

    Fuel system problem on 13 yo storage boat

    Resurrecting the 2000 3L 135hp engine. The boat was in storage for 13 years. The engine is running. Took it out for a test. When attempting to get on plane, or succesful plane run, after 30 to 90 seconds the engine looses power. It acts just like the throttle was pulled back. It usually keeps...
  8. M

    In storage 13 years, oil turned to jelly

    I got the gunk out by washing with 1 qt diesel and top up with 10W-40 car oil then idle the engine for 5 minutes then removed the oil. Did this about 4 times then finally got out 4 quarts. I tried to drain the gel from the original filter and it would not come out so I doubt it would have passed...
  9. M

    In storage 13 years, oil turned to jelly

    R u from Maine? Howdy neighbor.
  10. M

    In storage 13 years, oil turned to jelly

    Resurrecting a 2000 mercruiser 3L 135hp, been sitting for 13 years. Started to change oil, only about 2.5 quarts came out. Acting like it is empty, but I know there is more in there than that. Changed the oil filter, found the oil turned to a jelly like substance. Clear, like loose jello. Does...
  11. M

    Intermittent engine alarm with RPM blip

    Engine: 1998 Mercruiser MCM 5.7L EFI (gen 1) TBI fuel injection serial # OL 089037 Drive: Mercruiser Bravo 3 serial # OL 188880 transom mount # OL 284722 Problem: Intermittent engine alarm accompanied with a jump in RPM to about 1000, dropping off to 800 until the alarm shuts off, then...
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