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    2006 Volvo out drive thumping

    I have a 06 chaparral boat with a 5.7l Volvo, dual prop outdrive. First time with a Volvo, and pretty novice with boats. All was good until recently, when I start the boat, there is what best I can describe a thump every second or so, coming from near the top of the outdrive, possibly where the...
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    Wiring question for 4.3l Merc

    Aloha, I have a 2005 4.3l Merc engine, yesterday randomly the fuel pump stopped getting voltage. I energized the pump and it works. I bridged the oil pressure sensor, that's not it. I traced it back to the starter wire that is purple and yellow. Now i know from before when i turn the key...
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    Replacing carb question

    2004 Merc 4.3l, started dying at idle, fine at throttle. I'm pretty sure it's the carb, just had the plugs and wires / cap replaced 6 months ago. I don't want to deal with rebuilding the carb, but I can't seem to figure out what my replacement is? A lot of listed carbs say it's for 4.3l Merc...
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    Metal coming out from around gimbal bearing

    I took my alpha one gen 2 drive off to do some work, and I noticed that metal that's ribbed that comes around the gimbal bearing is sticking out from the top of it. I tried to take a picture hopefully it's visible. What could have caused this, and how bad is this issue? I ordered a new one.
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    Drive oil container empty / sludge inside.

    4.3 Merc 2005 Alpha one g2 drive I had the boat in the shop to replace the u-joint (making knocking noise when turning hard left or right). So I put the boat in the water and drive it, come back a week later and find the drive oil container empty and brown sludge inside. What could be the...
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    4.3 dies after 5-10 sec running

    2004 4.3l mercruiser, rebuilt last year. I replaced the gimbal bearing a month ago, and didn't get a chance to use the boat until today, it sat. Today I put it in the water and start it and it died after 10 seconds. Every time I run it, it dies 5-10 seconds later, does not pop or sputter when...
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    Merc 4.3l timing question, BTDC mark

    This will probably be a dumb question, but in the image BTDC is on the side where the 6 is correct? I ask because I need to see the timing to 10 BTDC but why would there not be a mark for 10 on that side, but one on the other side?
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    Stupid Question: How do these seats work?

    We just restored our boat, and upon putting the two front seats back, we realized we don't know how the locking on these works. They are back to back seats made so you can extend them to lay down, move back and forth, and looks like they are supposed to go up into the notches to lock in, but...
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    Mercruiser 864309-c vs 864309T01 / T02

    My 864309-c elbow or riser looks to be bad. I'm trying to find a replacement, on mine it shows "864309-c" but when i give them that number nothing comes up. They tell me they pull up 864309T01, and 864309T02, but i don't know if this is the same thing? I'm in Hawaii, so nobody local has this...
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    Merc 4.3l Carb Plastic Spacer

    There's a spacer maybe 1" that goes between the intake and carb, for the life of me I can't find it after I set it down somewhere i was sure I would remember. Does anyone have the part number for it, and is there a chevy version of it that fits I can find used? I'm assuming it's going to be like...
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    Water in bellows of sitting boat, what do i check?

    My neverending project of a boat just gave me more fun stuff do deal with. I'm in the process of rebuilding the 4.3l engine and i removed the drive today to find this inside (picture). Looks like water has been in here for a while not sure how long, there's some heavy surface rust on the middle...
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    Cylinder pitting and part interchange question

    The project I'm working on had compression issues, and i opened up the top of the engine to find that there was some rust in the intake manifold, and one of the cylinders has pitting on the side where it looks like water got in the engine and sat. My question is has anyone dealth with this, if...
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    Metal in my A1G2 when i separated lower unit

    I just got the boat, its a project, today I took on the project of replacing the impeller, and when i tried to remove the lower unit and as per picture, there is a lot of metal on the inside. Where do I go with this now?
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    Concern about hairline cracks in boat

    Hello, I bought my first boat, and I got it for a crazy good deal, it was sitting for about 2 years. a 2004 Seaswirl open bow. While cleaning it out, I noticed 2 things that concern me, and I'm hoping to get some input with pictures that are attached. The first concern is some hairline cracks in...
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