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  1. M

    Help with raw water hose ID 2006 VP 5.7 Gi-F

    I've been experiencing slow cranking when starting the boat and started to look for issues in hard to reach and hard to see areas. I finally wedged my head between the rear of the motor and the rear transom to see the bolt that has the negative cable on it coming from the battery. It was ugly...
  2. M

    5.7Gi-F Updates with some lessons learned.

    Many of you have been very helpful giving advice about my cooling system and tune up pointers. Thank you all! I didnt have time for a proper sea trial but did drive around the harbor for an hour with the engine hatch open just to look for any issues. Temps still holding at 165 and the risers...
  3. M

    Red engine motor year mystery

    The Parker I have is a 2520 built in 1997. It has a Volvo Penta 5.7 Gi-F . The receipts going back to 2015 and the hour meter state 650 hours and it seems accurate. The engine is painted red and has a vortex intake manifold and ( I think ) a HVS ignition because of the "crab" shaped flat...
  4. M

    That paper gasket on raw water impeller housing.

    I pulled my impeller and cant remember if I saw the paper gasket on it. I see two o rings. One large one and one small one. The impeller kit the store sold me was the wrong one but I did see that it came with a paper gasket. These gasket are really thin and on a few videos online it appears that...
  5. M

    VP 5.7 Gi-F Riser &Manifold Gaskets / Spark Plug Questions

    I'm about to put my new exhaust manifolds and risers on and noticed that the Sierra gaskets for the riser are very different than the OEM Volvos. The Sierras are thick and look like they can deal with imperfections. The OEM Volvos are a thin meta gasket with a small rubber bump separating the...
  6. M

    I completely went down the rabbit hole with my cooling system Volvo Penta 5.7

    This all started with the boat running just a little bit on the warm side but nothing unusual. Being a new boat to me, but having two previous owners, I thought I would tiptoe into my investigation by just having a look at the gasket underneath the riser. That led to removing both risers and the...
  7. M

    First time pulling a riser with questions about condition w pics

    First time pulling a riser with questions. As a new boat owner, this is all new territory for me to pull a riser and assess if it is usable or not. Attached are some pictures that show some clogging in the passageways but most of it is easily removed with a flat blade screwdriver. The walls seem...
  8. M

    Neutra Salt System Solenoid and pully question VP 5.7 Gi-f

    The boat I purchased has a Neutra salt flushing system installed. I made a mark on the solution tank hoping to see how much solution was added to the rinse. I held it for 45 seconds and then checked the level to see that it had not moved. I'm suspecting the solenoid shown here. It looks similar...
  9. M

    Temp gauge vs. laser thermometer at thermostat housing

    I posted a question last week about my gauge reading 180 degrees at while cruising at 3200 rpm with a closed water system. Someone mentioned that it would be a good idea to get a laser thermometer and aim it at the thermostat housing. Went to Harbor Freight and got a $30 laser gun. So I took...
  10. M

    Volvo Penta 5.7Gi Closed Cooling Question

    Just purchased my first boat and trying to make is safe for the family. Did one test run of 60 miles total and the boat ran great. It stalled when I pulled back quickly on the throttle and it looks like my trouble might be the IAC valve since the fuel pump (oem Volvo) is new . The boat is a 25...
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