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    Pressure Testing Specs

    I am pressure testing my drive and am confused by how long the drive should hold its pressure. Some people say 15 psi for 2-3 minutes. Other people say 10 psi for 12 hours. In my case I pumped it up to 12 psi and it held for 1 hour. I left it for 12 hours and it dropped from 12 to 10. Since...
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    Engine Alignment Almost There

    I have an alignment question on my 4.3L with Alpha 1 Gen 2 Outdrive. But first some background. The boat is a 2000 Sea Ray with the original Transom and Outdrive. The engine was replaced before I bought the boat with a complete 2009 4.3L. Since I have owned the boat I could never do a...
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    Driveshaft Gear Rotational Torque

    Alpha 1 Gen 2 Sterndrive. I am replacing the driveshaft seal and when reinstalling the nut on the U-Joint assembly, I tightened it to 6.5 rotational inch pounds. The manual calls for 5.25 inch pounds for used bearings and 8 IP for new bearings and warns that if you go over you need to...
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    Thread Locker Choice

    I am replacing the seals in the upper unit and can't determine which thread locker to use. Red, Blue or Green. I think it should be blue so they can be removed in the future, but want to make sure. I cannot find a reference to it in the service manual. Also, I noticed on the Quicksilver seals...
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    Oil in Bellows

    I have a multipart question that I would appreciate help on. Basically, I have a gear oil leak into the bellows. The outdrive is a MercCruiser Alpha1 Gen II. Some background first. I had a vibration in my drive both at idle and at speed. It was noticeable for a while during the summer but had...
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    Mercruiser 4.3 Thermostat Sealant

    I have a 4.3 Mercrusier. I am getting an occasional warning alarm that I have traced to the thermostat sensor. The manual says to install the gasket (with the rivets) using perfect seal. Which I did. I am pretty sure that it is the perfect seal that is compromising the conductivity of those...
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    SeaRay Carpet

    I have a 2000 SeaRay 185 and I need to replace the carpet. I have been looking at what is available but I am stumped on the carpet weight. Does anyone know what the weight of the carpet that came with the boat from the factory? I have a sample but no one has been able to tell me definitively...
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    False Audible Alarm

    I have a 2000 Sea Ray with a 2007 4.3 Merc I/O. Recently the audible alarm would randomly come on while cruising. Just for a few seconds then go off. Gear oil level is fine, oil pressure is fine and water temperature is all to specs. Sounds like a false alarm signal to me but I don't know where...
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    Trim Cylinder won't move

    I have an 2000 Alpha 1 Gen II outdrive. I installed the drive yesterday and when I was trying to align the trim cylinders to the install the rear pin, only the port side cylinder would move. I could not get the strb side to push out. I then installed just the port side and eventually forced the...
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    Antifreeze Question

    I read as many winterizing posts that I can find but I still am not clear on two points. 1) Do you remove the thermostat when you poor the antifreeze into the 6 hoses that are attached to the top of the block? 2) Are the 5 plugs still out when you poor the antifreeze or do they get replaced...
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    Winterizing 4.3 Thermostat Question

    I have a 2007 merc 4.3 with raw water system. Last year (my first year of winterizing) I used Muffs to circulate antifreeze after first draining water from the 5 plugs. This year I want to take Dons advice and drain water then pour antifreeze in through the hoses. The steps I plan to follow are...
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    Fuel Filter Part Number

    Can someone please tell me what the difference is in the Fuel filter with a part number 35-802893T versus 35-802893Q01. The filter I took off ended in "T" but all the ones I find in stores end with "Q01". Are they the same filter? Just a different number?
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    Trim Pump Fluid

    I had to repair the trim pump on my alpha I Gen II. I poured out the old fluid from the reservoir and replaced it with Power Trim & Steering fluid per Mercruiser recommendations. Merc service manual says you can use engine oil if the trim fluid is not available. Two questions: Can I mix the two...
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    Another Alignment Question

    On my 4.3 Mercruiser, I adjusted the alignment but I am not quite there. I never could get the tool to slip in with no effort like I saw in Dons video. It goes in relatively easily but I need to push it in with my palm. Dons video shows it going in with a push of his pinky. When I tested the...
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    Mercruiser 4.3 Alingment Question

    I recently purchased a 2000 Sea Ray. A new 4.3 was installed by a marina last winter by the previous owner. I am in the process of changing out the bellows, shift cable and other maintenance items and decided to check the alignment. Using the Merc alignment tool, I can only insert this...
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