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  1. M

    Dealing with bogging for too long and need help because I've done just about everything!

    1997 Parker 2520 with a Volvo Penta 5.7 Gi-f 750 hours. Block is from 2007 so maybe the heads and manifold and other parts were transferred over after the 1997 engine was replaced. Purchased the boat a few years ago and had a new VP fuel pump put in. I have never heard it whine. Bogging tends...
  2. M

    Grounding studs on bell housing

    I pulled my engine and put on a new bell housing. The two grounding studs were in bad shape and so were the nuts holding the wires. I found studs at the hardware store but they are black oxide and wanted to make sure those are ok to use. Also, I use stainless nuts but didnt use the star washers...
  3. M

    Question about work shop manuals

    I downloaded this manual and it really has a lot of great information about torque specifications and doing general repairs. It has been very useful with my oil pan replacement. I don’t see anywhere in this manual that talks about a torque specifications for the motor mounts that attached to the...
  4. M

    First time pulling an engine questions

    I found oil in my bilge and reached under to feel where it might be coming from. I had heard about the dreaded rust blisters that can form on the oil pan and found one. I'll do one more check to make sure the leak isn't from the dipstick gasket or nut or the bottom of the timing chain cover, but...
  5. M

    Stalling after reversing

    2007 5.7 with. Dp-s. Put the boat in reverse and bring the RPMS up to back up. Back to neutral and get a stall. Any idea where to start?
  6. M

    Bogging issue solved with spark arrestor and fuel pick up screen

    1997 Parker 2520 170 gallon gas tank all original. 2007 5.7 Volvo Penta Vortec intake fuel injected. For months now I've been having trouble with bogging above 3200 rpm. Did all the usual stuff like cap, rotor, spark plugs, anti siphon valve, wiped the carbon from the throttle body, check the...
  7. M

    Advice sought on tackling prop shaft seal on VP Duo Prop

    Looking for advice on attempting to change the prop shaft seal on a duo prop. About three weeks ago I learned how to pull my props and drain the gear oil. The gear oil looked great. Put in new gear oil and did a quick trip with the family to a local island. Total runtime about three hours. When...
  8. M

    Pics of my prop hubs and gear oil. First time questions.

    Last year I had my props serviced. They were balance and any blemishes were repaired at a reputable shop. They did note on the invoice that due to internal corrosion, they could not be re hubbed. I recently took the props off to change the gear oil and add grease to the prop shaft. I did find...
  9. M

    Duo prop propeller choice / RPM issue

    I've current got a Parker 2520 boat that has a weight around 6000 pounds. The current prop is a pair of F3's. I cant seem to get the RPM's above 3900 and wonder if I have the right props. The last person to inspect the props noted some corrosion and stated that I could not replace the hubs...
  10. M

    Anyone want to rent their prop puller?

    Ive watched all the videos for how to pull my Duoprop. The rear comes off easily but the front is tight. I dont have a puller and dont want to spend the $275 for the ones that are on Ebay. Anyone want to rent theirs. I will pay a full deposit until it is returned.
  11. M

    Duo prop hubs and service question

    My 1997 Duo prop outdrive was last serviced 14 months ago. Today I hired someone to pull it off after not finding the time to do it myself. Along with lubing the ujoint, I wanted the prop shaft greased and the first prop came off easy. The second one was stuck on but the mechanic only brought a...
  12. M

    About to do my first VP SX outdrive service and have a few questions

    I'm about to pull my outdrive and have a good understanding of how to do it. I have a few questions but will also post what I'm going to do if you have any advice. My plan is to change the gear oil, build a stand, and remove the drive. I've watched videos online and it seems straight forward. I...
  13. M

    Surge brakes not working. Where to start

    I have a 2018 aluminum dual axle trailer I use for a 25 Parker. I purchased it from Texas and it's very clean. It has surge brakes and I understand how they work. The tab on top that says " towing" or "locked" is in the right spot ( towing ). I've jammed on my brakes a few times in my Dodge...
  14. M

    Long cranking and turnover to start after warm. Questions about vapor lock and leaky Injectors

    My boat is a 2007 VP 5.7 Gi with the "crab" style Distributer. Recent work includes newly installed rebuilt injectors (cleaned and flow tested), new cap and rotor, newer ( about 40 hours) VP fuel pump, and new plugs. The boat start great first time whenever I take it out and the engine runs...
  15. M

    VP 5.7 WOT RPM question. Is 4100 RPM low?

    I've read that the WOT is anywhere from 4200 up to 5000. I have a 2007 5.7 Gi with fuel injection and trying to figure out what is normal. I have a VP duo prop but don't know the pitch. I'm getting 4100 rpm at full throttle on a Parker 2520 with 80 gallons of fuel on board.
  16. M

    What are the essential tools to keep on board?

    I’m working on putting together a tool kit that I always bring with me on trips and wondered what everyone considers the essentials. I also I’m trying to figure out if I should keep both metric and sae tools on board. Right now my kit would also include some items to fix anything in an...
  17. M

    Maintenance on garboard or brass plug that is leaking.

    I had my boat out recently and saw water entering the engine bay but did not know the source. I read about a technique where you fill the hull with some water and look for leaks under boat. Well, that worked really well! I found the leak at the brass plug. I see that it is threaded in with three...
  18. M

    Gathering Components for adding GPS to Older VHF

    First off hello! I'm normally over in the Volvo Penta I/O forum. I have a 25 foot Parker pilot house and I'm trying to make sure all my safety equipment is in order since my kids will be on board. First , I have very little understanding of electronics but can quickly understand concepts and...
  19. 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...
  20. 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...
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