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    OEM fuel hose versus bulk USCG type A1 fuel hose

    On a typical 1990 OMC 85 to 115 hp outboard setup, are the OEM fuel lines in the parts diagram inside the motor housing that can be ordered better quality and easier to work with than bulk USCG type A1/A15 fuel hose? Just trying to decide if it's worth buying them or just add the amount to the...
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    Question involving options/limitations of aluminum deck coating/waterproofing.

    I was looking for a floor/decking covering/coating forum sticky topic that directly addressed the waterproofing methods of the top of a new wood floor on an aluminum boat, but couldn't find one or a topic that explained why. Right now I am asking for knowledge/understanding of the matter...
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    Need to Verify items listed for replacement on 1990 Johnson 90 HP VRO outboard.

    Just acquired an aluminum fish & ski boat in good condition for a good price, knowing certain important items need to be replaced on the 1990 Johnson 90 HP VRO outboard. Model #: VJ90TLASB It came with a service facility inspection report invoice from a local service shop that has a good...
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    Boat Inspection - Drive/Engine system

    I am currently planning an inspection of a 1997 Sea Ray 190 with a mercrusier 4.3L V6 engine consider as a project boat to purchase. I've already created a thread involving the fiberglass hull/structure inspection items for checking. However, I'm needing in this forum topic to focus on the items...
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    Possible project boat - Structure inspection

    Needing to verify the items that I will need to check for boat inspection for a possible purchase to be intended as project boat focused on mechanical restoration. I'm wanting to get back into boating with a less fiberglass repair filled drama boat. It might happen, but goal is to minimize the...
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    Power Steering Pump Noise - Alpha One Gen 2 3.0L

    1993 manufacture date Alpha One Gen 2 3.0L I am fairly certain that I have a bearing/pump issue with my Power Steering pump. The fluid level was checked per Mercruiser specs on the fluid level with the power steering pump dipstick. It was within specs. Description of issue: The noise is...
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    Normal Operating temperature range question - Alpha One Gen II 3.0L

    I have a question involving whether this is normal or a warning sign of future engine water pump failure. First off, here's the equipment details: 1993 Alpha One Gen 2, 3.0L. Lower unit impeller change in Sept 2010, never been ran dry. (3 seasons including this one with this impeller). At...
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    Mercruiser 3.0L EST ignition, won't exit base timing mode.

    I have a 1993 Mercruiser 3.0L with EST ignition and I either cannot seem to get it to enter base time mode, or I can't get it out of base time mode. I did an initial lake test run yesterday and noticed after it warmed up, it was acting rough at idle. I ruled out fuel initially since it was...
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    3.0L Mercarb rough idle

    The first lake test after de-winterizing my boat 1.5 months ago, my idle is mostly crap at load. It gets worse as the longer you stay at idle under load, which is making me suspect flooding at idle. Also, I believe after a run at speed, it seems to idle slightly better at load until you get...
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    tubing how fast is to fast?

    Re: tubing how fast is to fast? 25 mph is about as fast as I'd pull anyone, the specifics depends on water conditions, the person, and the stomach they have for rough waters and heavy wakes. Everyone worth their salt knows the inner tube is the boater's favorite and perfect instrument of...
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    Random Hard start, suspecting electrical or ignition

    Re: Random Hard start, suspecting electrical or ignition It's a confirmed issue that most of the Master Mercruiser techs worth their salt know about quite well. The IL4's require a thicker cork based gasket to provide the proper clearance distance for the fuel pump rocker arm. The wrong...
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    Random Hard start, suspecting electrical or ignition

    I have a 1993 Mercruiser 3.0L that I've been fighting for off an on for a while involving a hard start and at idle sometime dies systematically. Info update: Fuel pump failed: Replaced in April Ran rough at idle all the time and was difficult to start: Carb rebuilt. When it would idle, it...
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    1993 3.0L Mercarb idle fine tune adjustment

    After a correctly rebuilt Mercarb, I believe I've gotten the idle speed about as low as reasonably possible now without it acting like it stumbles. My question is the following: 1. What do you adjust to make warm starting easier? Before I had carb issues, it was easy to start warm or cold...
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    3.0L rough idle issues

    Brief summary: 1993 Mercruiser GM 3.0L engine. Boat ran great last year, winterized and I believe the fuel was stabilized. No carb issues whatsoever. New spark plugs were installed before de-winterization. De-winterization attempted, fuel pump failed on me. No start, primed intake with...
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