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  1. J

    Volvo penta 5.0gxi 3869255

    Hello, I have a new long block but ran into issues last year. The boat was cruising at 3k on both engines when it suddenly reduced speed to about 1500 rpm’s. I went I. Checked the engine and it was backfiring we shut it down and I checked the oil which was low. I put more oil in and refired but...
  2. J

    Boat reverse polarity

    Hello all, When I put away my boat winterized and shrink wrapped, it was fine today I plugged it in with a short tie, and my main panel says reverse polarity. I was wondering where I should start.
  3. J

    2004 Larson 31 ft cabrio

    Hello all, Bought this boat used but have the owners manual. I can not find where the holding tank and macerator are. Any advice would be great
  4. J

    Volvo penta 3849409

    Hello all, I have these controls and the buttons are missing that release the throttle. I cannot find any part numbers for just the button and rubber cover. Not sure if I will have to buy all new throttle shift setup or if there is a way to find the parts
  5. J

    Banging

    Hi all, So lots going on here. I have twin Volvo gxi which has ran twice since extensive yard period to replace y pipe and steering seal among other smaller issues. I was out today and everything looked fine but while coming up on plane the starboard engine reduced in rpm’s and I can hear a loud...
  6. J

    New Y pipe

    the marina said I have a leak in my exhaust horn.. I assume that is the Y pipe. The engine obviously has to come out. Any idea of a price tag associated with that. It is a Volvo 5.0 gxi twin. Engine is pretty accessible.
  7. J

    Leak continues

    So I have a 31 fy Larson with twin 5.0 gxi and penta dp outdrives. I have had a trickle leak high in the outdrive where the raw water connects. 2 days ago I had the bellows and all outdrive seals and bearings replaced. The yard said everything looked great including the transom but it continues...
  8. J

    Housing

    Hello question, what would you consider the outdrive housing?
  9. J

    Fuel return

    Should Volvo gxi have a fuel return line to the tank and where would it connect to the engine
  10. J

    Help transom leaking

    I am ready to run for this thing. We launched the boat today and this is what’s happening.
  11. J

    Batteries

    I have 31 ft Larson cabrio with twin 5.0 gxi. I have two batteries that are wired parallel with a charger. My question is I have an extra battery should I wire it in a parallel with the other two to have three batteries or am I better off with two.
  12. J

    Trim sensor

    I am sure this is a simple question. I installed new trim sensors on my Volvo DPS outdrives. Starboard is working fine but the port is not. When I turn the sensor by hand it works but once I put it in and attempt to adjust it doesn’t work at all… no movement. The old unit was pretty seized on...
  13. J

    Thru hull

    Hi, I needed to drill a 7/8 hole thru hull to run a new transducer. There was a 1/2 hole already there so I just made it bigger. The old hole was filled with I assume 4200 and the hole is above the water line but not by more than 6 inches. Should I fill the new hole with 4200 or marinetex
  14. J

    Maxwell 500

    Hi, I have a Maxwell 500 that goes down but does nothing when trying to bring it up. I am not sure where to start
  15. J

    Wiring manual

    Hi all, As usual this forum is helpful with everything and I truly appreciate the assistance. I have a 2004 Larson cabrio with twin 5.0 gxi (3869255). I am look for a schematic of all the under the dash wiring to the gauges. Some work some don’t so I want to ensure the wires are in the correct...
  16. J

    High idle

    Hi all so my struggles continue but this forum has been instrumental and so far I have solved most problems. I have the 5.0gxi Volvo that I have poster about before. One engine was a new long block. When I start the engine in neutral it appears to run at max rpm’s even with the throttle...
  17. J

    Fuel

    This website has truly been a savior and it is amazing how knowledgeable everyone is. As you could tell from my other post I am kind of learning as I go with a used boat I bought last season. My latest problem is when I run my Volvo gxi 5.0 3869255 the engine starts right up then runs for 2-3...
  18. J

    Prime fuel tanks

    Hello, I have boat with twin fuel injected engines that are feeding off of independent 75 gallon tanks. I have been trying to get fuel to come out of the fuel tanks is there any tricks to it the boat is on blocks on a hill with the stern low maybe 7 gallons is not enough to get to the pick up?
  19. J

    2005 Volvo penta gxi-e

    Hello, I am hoping to find some advice. I bought a boat and tested it before the winter but now the ignition fuse burns out the second I turn on the key. I disconnected the fuel pumps which did not help and the kill switch seems to work correctly. Looking for advice any help would be greatly...
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