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    Howling noise in drive

    I just had the u joints replaced on my 1989 5.7 cobra. And yesterday after getting the boat back in the water after the u joint replacement I now have a howl coming from what sounds like the drive. This howl starts abruptly at 850 rpm and seems to fade at around 1100 rpm. I didn't have this howl...
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    Prop shaft thread specs

    Can anybody tell me what the prop shaft thread specs are for a 1989 Cobra drive for 5.7 liter ? I need to run a die on the threads as I have a burr at the hole for the cotter pin. Thanks
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    Trim sender bolt broke

    I was adjusting the trim sender on my 1989 5.7 Cobra drive today. The lower bolt broke off so we drill it out OK and in the process of running the tap in the hole the tap also broke off also. So now I have a broken tap in the hole and no way to get it out as the tap is too hard to drill. I have...
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    Stern Drive trim rooster tail

    I just noticed that with my Donzi Gt250 with OMC Cobra 350 and Cobra drive that when I am running at cruise at about 3400 rpm with the drive trimmed in I get a small rooster tail that comes up on the port side of the prop. If I trim the engine out I get a flatter and more symmetrical rooster...
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    Cobra drive question

    Other than not being advisable and obviously not good for the ujoints. What kind of issues could be caused by starting the engine (5.7 cobra) in neutral with the drive in the up position for a few moments ( 10 secs) as long as there is a water supply to the water intakes on the drive? Could...
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    1989 OMC 5.7 Cobra WOT rpm

    The manual for my boat and OMC 5.7 Cobra call for a WOT rpm of 4200 to 4600 rpm. The max WOT rpm I can get is in the 4300 rpm range at about 37 mph gps. This is after I trim the drive to get max wot rpm without going too far and causing the prop to start slipping. This is a Donzi GT250 25 ft...
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    Garmin 546s alarm volume

    I have noticed that the alarm volume (off course alarm etc.) on my new Garmin 546s is very faint and the only way I can hear it is when the engine is not running. In fact the other day while anchored I have the anchor alarm set and when the anchor alarm went off I didn't hear it and I was...
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    After attending 4th of July celebration on the river.

    I am now even more convinced that operators permits SHOULD be required for people who operate boats. The level of ignorance was a sight to behold. The basics like anchoring and proper use of lights where just too much for some of these idiots to figure out. Also the proper operation of a...
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    Single sterndrive pivot point

    I was told today by a seasoned boater that a single sterndrive boat such as mine has a pivot point around the stern of the boat in forward when turning and docking. I had to disagree as my boat sure does seem to pivot more around the bow than the stern when moving forward turning and docking...
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    OMC Cobra trim sender question

    Which trim position (up or down) would my trim gauge indicate when the trim sender is in the spring relaxed position?
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    Garmin 546s stuck connector

    I know this sounds crazy but today I was trying to disconnect the main power data connector on my Garmin 546s and for the life of me I can't get it to unplug. I have had this connector unplugged previously so I understand how the twist lock works. This time the twist lock will only turn about a...
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    Has anybody made or received a DSC emergency radio call?

    If so tell me how it worked out?
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    Correct oil pressure for 5.7 cobra

    My OMC Cobra 5.7 is showing a oil pressure between 40 psi and 60 psi according to the gauge. The engine is warm and the 60 psi reading is during higher rpm's. Is it normal to have this much fluctuation and is 60 psi too high?
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    Rule mercury float switch installation

    I have a new/old style Rule mercury float switch for my bilge pump. The question I have is what would the proper orientation of the mercury float switch should be. It would seem that it would be best to install the switch so that the switch is perpendicular to the center line of the boat so that...
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    Garmin 546s with g2 vision card question

    I have a Garmin 546s with a g2 vision card installed. I also have the latest version 4.00 software upgrade on my unit. I have the navigation chart setting to show the land satellite maps overlay. When I zoom in and out I noticed that some of the land satellite sections are missing while others...
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    2007 Sea Ray 260 Sundancer

    I am looking a a 2007 Sea Ray 260 Sundancer. This boat has only 60 hours on her and looks extremely clean. My only concern is that I have heard through the grapevine that Sea Ray had some hull design issues with this model year 260 Sundancer. Anybody have any further information on this possible...
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    Need info. to adjust throttle cable 1989 omc 5.7 cobra

    Can anybody direct me to a link for the throttle cable adjustment procedure for my 1989 OMC 5.7 cobra with 4 barrel quadra jet? I just adjusted my in gear idle to 575 rpm's with the fast idle screw but now I would like to make sure the throttle cable is properly adjusted to the new idle setting...
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    Water circulation pump for OMC 5.7 Cobra

    My water circulation pump on my 1989 OMC 5.7 Cobra is making noise and I am going to replace it. I have a choice between the OEM volvo penta pump for $175.00 or the sierra aftermaket replacement pump for $88.00. My question should I go with the sierra pump or should I go with the OEM volvo penta...
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    1989 5.7 Cobra worbling noise below 900 rpm

    My 1989 5.7 Cobra engine is making as best as I can discribe a worbling noise not really a whine but like i said a worbling noise from the front of the engine. Above 900 rpm the noise goes away. The PS pump is full, the fuel pump was new last fall, the alt is charging good and I don't see the...
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    120VAC neon polarity indicatior light.

    I was checking the shore power panel on my boat tonight and I wanted to see if the reverse polarity warning light was working. It is a 120VAC neon light that is used for the warning light like this one http://www.radioshack.com/product/index.jsp?productId=2062374 My question is. Should I be able...
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