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  1. J

    Volvo 8.1 nightmare

    My 2007 Chaparral 256ssi (8.1) has been a nightmare. Last summer i had to replace the engine due to what i believe was a lean fuel ignition causing a broken piston. I had the entire engine rebuilt and put it back in. I got it all together and running and put the boat in the water. I had it...
  2. J

    Hull filling with water only while underway.

    I posted about this last year and i am still having an issue. My 2007 Chaparral 256ssi is getting a lot of water in the hull while underway. I noticed this last year because i saw the bilge outlet running all of the time. The boat has been in storage in NY since October. I just got here to...
  3. J

    Back in the water but still concerned

    2007 Chaparral 256ssi . 8.1Gi-H . DPS-A 1.78 drive I have had many issues with my boat recently. Rebuild long block, installed it and the new starter damaged the flywheel. Replaced the flywheel, put the boat in the water and it ran beautifully until the outdrive seized (20 minutes later)...
  4. J

    Seized outdrive

    This has been a nightmare. I have been fixing everything mechanical and electronic for the last 30 years of my life and this whole engine issue just wont give me a break. I replaced the lower seals in my outdrive, put it all back together and mounted it on the boat. I filled it with oil and...
  5. J

    Flywheel questions

    I have a chaparral with a 496 (8.1) . 375 hp. It is a 2007. I bought this boat back in Feb in Fla and brought it home to NY with me. I put 25 hours on it while i was in Fla, then when i put it in the water here in NY, i took it out once and had to be towed back due to a bad ground on the...
  6. J

    DPS-a Prop shaft

    I am getting water in my sterndrive oil. I pressurized the unit and found it is leaking where the inner shaft going into the outer shaft. I am trying to disassemble the lower gear unit but i cant get the bearing housing and outer shaft out. I removed the two screws on the top and bottom. I...
  7. J

    Volvo 8.1 GI, diagnostic protocol

    Would anyone happen to know what protocol a 2007 Volvo 8.1gi uses for the diagnostics? I would like to buy some electronics that i can use to monitor some of the engine functions. As i understand i can do this with a NEMA2000 chart plotter with some other accessories. Anyone?
  8. J

    Wiring and hose routing

    I had to remove my engine to have it rebuilt. It is a 2007 Volvo 8.1 gi. Does anyone know where i can find a diagram for the routing of the wiring harness and the vacuum/cooling hoses? Im sure i can work it out without one but it would be much easier if i had a diagram.
  9. J

    Volvo 8.1 GI, Broken spark plug, what now?

    I asked a question in another post but im reposting because I have a new issue. I have a 2007 Chaparral with an 8,1gi engine. The other day i was coming back to the dock and running the boat quite fast. About half way the boat seemed to loose power and the speed dropped considerably. Then it...
  10. J

    Engine Diagnostics

    I have a 2007 Chaparral with an 8,1gi engine. The other day i was coming back to the dock and running the boat quite fast. About half way the boat seemed to loose power and the speed dropped considerably. Then it just went back up close to normal speed but didnt seem to be running as...
  11. J

    Stern drive concerns

    I am getting ready to launch for the season here in NY. I drained the oil in my outdrive and it was cloudy milky. Clearly water. I put the oil in a clear container to see how much. Although there is some cloudyness in the bottom of the container (2 inches) . There is no actual separation of...
  12. J

    volvo 8.1gi taking water and starting problem.

    I just bought a 07 Chaparral with a Volvo 8.1 and sx stern drive. I am very happy with the boat but i have a couple of issues. The first is when i start the boat, weather it is cold or warm, at first it sounds like it has a dead battery. It turns once or twice extremely slowly and then turns...
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