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    4.3LX 4 barrel conversion throttle linkage question

    I am converting my 4.3L to a 4 barrel carb. I have a marine quadrajet I am using and got a throttle bracket with it, but it is different from my two barrel bracket in that it isn't as long and my circuit breaker and other relay that are mounted to the two barrel bracket cannot mount to the 4...
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    4.3 out of boat. What do do while it's out?

    I am pulling the 1996 4.3L Vortec, balance-shaft engine from my boat because of a leak in the transom I cannot find, and the ring gear may be damaged due to a loose starter. I am trying to figure out what I should do to it while it's out and on a stand. Engine bottom end is original, as far as I...
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    Trim Switch Info for Merc 90?

    I am trying to troubleshoot a trim switch problem for my friend's pontoon boat. She has a Merc 90hp, SN: 0T318029. This is the trim switch in the shifter handle. I need to get the handle apart but the screws go in at an upward angle from the bottom, inside. The bottom screw looks impossible to...
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    Verifying Regulator/Charging System on Merc 90, 4 Stroke

    I have a 2001 merc 90, 4 stroke in which the voltage regulator caught fire, burning up several pieces under the hood including the CDI module. 1400 bucks later I have reassembling the engine and fired it up. It runs fine on muffs and is putting out 14.72v to the battery at idle. Service manual...
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    Tming Belt Maintenance on a 2001 Mercury 90, 4 stroke?

    My friend has a 2001 90hp, 4 stroke and has no idea the last time the timing belt was changed. She has not changed it since she bought it. As the voltage regulator caught fire and messed up stuff at the front of the engine, and I'll be working on it anyway, I was wondering if replacing the...
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    Part Number/Supercession Verification

    A friend had her 2001 Merc 90, ELPT, 4-stroke's voltage regulator catch fire. Fortunately for her the engine cover snuffed it out, but not before melting a bunch of stuff in there. Apparently the is a common thing for Mercs and Yamahas. I had no idea. I am hunting down the parts needed for the...
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    Leak At Bottom Of Transom

    I have a leak at the bottom of my transom, into the boat. This leak was happening last year but I didn't realize it was a transom leak, and it still leaks at about the same rate this year, after I have replaced all bellows in April. I used my snake inspection camera to try to see where its...
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    Believe I'm over-propped.

    When I bought the boat it had engine issues so I could not figure out anything regarding the prop last season. Now that I have fixed the leaky intake valve and changed the exhaust from one-piece manifolds to brand new two-piece, I'm ready to examine the prop.I also put in new spark plugs and set...
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    Need Trim and Tilt Mechanism Expert For 1995 Evinrude 25hp

    I have 1995 Evinrude 25hp on my jon boat, with elec start and remote. Model E25ELEOA. I did not receive an owners manual for the outboard when I bought the boat. I am trying to figure out how the trim/tilt mechanism is supposed to operate on this outboard. I will explain what I have and what it...
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    Gen II U-joint Bellows Question

    My trim switches and wiring are toast so I have to yank it apart to replace those. While in there I'll be doing all of the bellows and see in the new switch instructions that the bell housing side of the u-joint bellows is held in place by an aluminum sleeve. Am I going to need special tools to...
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    Filling the holes from the old ladder?

    The boarding ladder on my deck boat is mounting to the floor of the swim platform. On this design boat it is fiberglass and a straight shot down into the engine compartment. I got a new ladder that mounts a bit narrower so when I install the new ladder I will have 4 holes (3/8") from the old...
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    Shutter Replacement

    Quick question, well a couple of them. My starboard shutter moves freely but does not block the pipe. 1. Do I need to replace my entire shutter or is there a spring I can replace (see pic below)? 2. What is the part number, for whatever I need to replace? I looked in the catalog and I think it's...
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    Remove Bottom Paint?

    The Rinker I bought in June has bottom paint on it. My understanding was this was owned by someone in NC originally and was traded in to another fellow to kept it in the James river about 100 miles from the coast, in VA. I do not know what kind of bottom paint is on the boat, but I am guessing...
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    Aluminum or Cast Iron Two Piece Manifolds?

    I have a 4.3 with the old one-piece manifolds. Trying to decide if there is an advantage to going with the aluminum manifolds from here: MercruiserV6conversionkit I run in mostly fresh water. Every now and then I see brackish water (once or twice a year) and even less do I see salt water, and...
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    Tracking down the right head gasket set for a 4.3 Vortec

    I have a 1996 Merc 4.3, Engine SN: 0F821477. I believe I have a balance shaft, according to the Mercruiser parts web site. http://www.mercruiserparts.com/Show_Pictures3.asp?dnbr=809969%2096&ivar=images/COMMON/14293.png&inbr=1937&bnbr=160&bdesc=CYLINDER+BLOCK+AND+CAMSHAFT I am trying to find the...
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    1996 4.3 Wiring Diagram?

    I'm looking for a wiring diagram for the engine on a 1996 4.3., SN: 0F821477. My fuel pump suddenly doesn't work. I am in the process of doing a compression leakage test and I pulled the valve covers. To do this I had to pull the shift bracket and disconnect shift interrupter switch, as well as...
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    Part Numbers and Compatibility for Power Steering

    I need some assistance on my 96 4.3 setup. Engine SN: 0F821477 Stern Unit PN: 5010181JP Stern Model No: 6010000JS SN: 0F678198 My PS is not working. In my attempt at troubleshooting I broke off the pressure hose fitting at the actuator, and will likely break off the return hose when I try to...
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    How to plug hole above water line?

    I had to drill a 1" hole in my transom for the transducer plug. I hated to do it but it was the only way. Now I need to figure out how to plug the hole, in a semi-permanent way, in case I need to change out the transducer at some point. I tried to fill it with 5200 and cover it with duct tape...
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    At the ramp in Hopewell, Va.

    It is always entertaining at the ramp in Hopewell, Va. A couple of years ago I saw a man hit another boat and break a bunk boar off his trailer as he insisted on power loading his boat, even though he did not have the necessary skills to do so, and a friend already in the water to hook up the...
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    Troubleshooting Power Steering

    This is a 1996 Mercruiser 4.3LX. The PS does not work. The pump is full and when I turn the wheel I hear no strain from the engine trying to run the PS pump, ever, even at the locks. I tried wiggling the wheel back and forth and when I do that I can feel faint assistance, but not for long, maybe...
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