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    Changing fuel water separator on Merc 6.2L MPI 300HP

    I've looked thru at least 10-12 youtube videos, and all of them are for different type fuel/water separators than what I have. Also I have the service manual and it does not explain the process at all. It's on the maintenance checklist but the manual doesn't have any step by step process for...
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    Does this oil look bad to you? (white smoke coming out of breather tube)

    Some very bad smelling white smoke started coming out of the ventilation tube that runs from the valve cover to the flame arrestor approx 10 mins after engine start. Engine temp climbs up to 180 before I shut it down. Oil compartment is slightly overfilled but not by very much. I checked the...
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    Need help identifying stringers for though hull location

    2017 Chap 246 SSI I'm putting in a through hull water inlet for engine cooling purposes because the Bravo 3 water inlet system stinks. Anyways, I cut a hole in the floor and removing the foam. After removing the foam the hull of the boat looks like the pic below. However the floor of the...
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    Mercruiser 6.2L Bravo 3 I/O alignment problems

    Boat is 246 SSI Chaparral 2017 with 50 hours on engine. No prior issues. I pulled the drive for routine maintenance a week ago. I didn't touch or change the gimbal bearing, I just changed the bellows and removed the water inlet tube. The gimbal bearing spins very easily no resistance or...
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    Replacing gear lube hose between transom and bell housing

    This is a 2017 Bravo 3. When removing the stern drive, all of the videos I've seen tell you to cut the gear lube hose. Seems pretty stupid that you have to destroy something in order to remove the sterndrive but all the sources I checked said to do that so that's what I did. Now the problem...
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    Mercruiser 6.2L MPI overheating

    Boat is freshwater, 2017 with 35 hours on engine; raw water cooled. My engine temp goes from 60 to 200 within 60 seconds after starting the engine and leaving it at idle. It overheats both when connected to water hose as well as when on the water. I checked the sterndrive water inlets for...
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    Can't get serpentine belt back on

    I took off the belt to service the impeller pump a few days ago when it was 70 degrees out. Now that the temp has dropped to the 50s, I cant get it back on. I checked the belt diagram multiple times so I know I'm putting on the right way. The idle/tension pulley is way too tight. So I...
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    My serpentine belt tensioner doesn't seem to work right

    I tried to turn the bolt counterclockwise, per the manual instructions, and the pulley didn't do anything, it just stayed stuck in one place and the belt is still tight. Even after I unscrewed the bolt, the pulley is still tight. What am I doing wrong?
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    How to connect remote fuel tank to Mercruiser 6.2L 300HP MPI IO

    The service manual suggests that there are 2 ways to connect a remote fuel tank -- thru the fuel inlet on the fuel/water separator filter or directly into the fuel rail. However the manual doesn't really give details or pictures on how to hook it up. I assume connecting to the fuel separator...
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    Testing engine out of water

    I know this sounds crazy, but a guy at the marina who has been boating for 50 years says that before heading to the launch ramp he would start the engine for a second while out of water just to make sure it starts OK. I thought that was crazy and he was going to burn his engine up. But I will...
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