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  1. alldodge

    Idle speed, Mercruiser 2.8 165hp D-tronic

    Was listening/looking for the same change in rpm with the loosening of each injector. If they were all the same change then there should be no issue
  2. alldodge

    Idle speed, Mercruiser 2.8 165hp D-tronic

    Have you tried this yet?
  3. alldodge

    2003 Volvo Penta 5.7Gi-C No start

    Run through the test procedure
  4. alldodge

    Mercruiser Pinout Lists/Diagram

    Your new motor needs a 10 pin harness connector which has 9 wires in it. Pick up a 10 pin pig tail, cut the connector off yours https://www.hardin-marine.com/p-13226-mercruiser-style-wiring-pigtail-mercury-plug-instrument-side-12.aspx
  5. alldodge

    Mercruiser Pinout Lists/Diagram

    Need to wire according to the motor installed and not the helm A 1976 used an ampmeter and not a voltmeter. Suggest wiring using current configurations Have the manual for a 76 Merc but none show wire listing you have. All show 1-Black 2-Brown 3-Green
  6. alldodge

    Mercruiser Pinout Lists/Diagram

    No idea what motor and year
  7. alldodge

    Mercruiser Pinout Lists/Diagram

    Its actually a 10 pin and 8 pin. The 10 pin has 9 wires and the 8 has 8 8 Pin This is with relay and reg This is old BIA10 pin This is new 10 pin
  8. alldodge

    Mercruiser 3.0 135hp. Crank and rods

    With compression that high there is liquid in the cylinder. Head is warped so gasket is not sealing or cylinder is cracked and water is leaking in. When the motor diesels, that's when motor runs in reverse just before it dies and sucks in water. The water can bend rods and break things The...
  9. alldodge

    Mercruiser 3.0 135hp. Crank and rods

    The older rods are part number 3817T, the newer are 8164T Tells me there is something different
  10. alldodge

    Mercruiser 3.0 135hp. Crank and rods

    Find a good machine shop and let them inspect the crank and rods. They will be able to advise
  11. alldodge

    Mercruiser 3.0 135hp. Crank and rods

    Once its fixed it should last you a long time Some times cheap its really cheap
  12. alldodge

    Mercruiser 3.0 135hp. Crank and rods

    You need a real machine shop, that guy just has a sign up If its not to far gone, find a machine shop that will turn it. Also have block cleaned to make sure there are no filings in the channels. Also look at the oil pump, may need replacing
  13. alldodge

    Mercruiser 3.0 135hp. Crank and rods

    The crank and rods are NLA, and I would not try to put an old crank/rods in a newer block Unless you know what caused the second set of bearings to get eaten, I would look for the cause first before going further Do you know?
  14. alldodge

    Key switch / Ignition issue

    There is no fuse on the wire and the neutral safety switch is inside the throttle control. Look for 12V on the Yel/Red wire at the key when turned to start
  15. alldodge

    Idle speed, Mercruiser 2.8 165hp D-tronic

    With the Racor having a lot of crud, the first thing I would do is replace the secondary filter https://www.mercruiserparts.com/bam/subassembly/31205/2673/170
  16. alldodge

    Idle speed, Mercruiser 2.8 165hp D-tronic

    The ECM adjust to keep idle within spec, but can only adjust so far. If one or more injectors are not getting the correct amount of fuel then there may not be enough room for the ECM to adjust. There should be a code thrown and the MIL light would be illuminated. You didn't mention the light...
  17. alldodge

    Idle speed, Mercruiser 2.8 165hp D-tronic

    I would start with the basics. Air cleaner Fuel filter (is it clean and full, if not full check antisiphon valve) Exhaust system (manifold, turbo, pipe) I would lean toward the fuel system since this just happened and was doing fine. If a piece of crud got into one of the injectors it would...
  18. alldodge

    Key switch / Ignition issue

    Turn the key to start and hold, then pull the shifter back n forth a bit to see if it will start to crank. If it does its the neutral switch If it doesn't connect voltmeter probe to Yellow/Red wire on the key switch and turn to start, should see 12V. If 12V is found then put probe on the...
  19. alldodge

    Key switch / Ignition issue

    Power goes to the key switch on the red/purple wire, which also has a 20 fuse. The fuse is probably a inline type. It will be behind the helm. Follow the wire to find it
  20. alldodge

    Thermostat Housing Check Balls

    Could check the circulating water pump to see if the vanes inside the pump have come loose from the shaft. Normally when this happens the motor just over heats. If a head gasket was the issue, then the heat/water still comes together in the thermostat housing and splits almost even.
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