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    Why not mount transducer well below waterline?

    So all the install videos for transducers say you have to have it just barely below the boat hull, like 3/8". I get that having it too high would mean the transducer ends up out of the water once you're on plane. But what's wrong with having it too deep?? I mean, when the boat is moving slowly...
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    Where to put fuel and battery (weight distribution on RIB)

    18ft alu RIB with 50hp Yamaha. Current have the fuel tank and battery jammed right in the back by the transom. Looking to clean up my wiring and add a proper fuse box and stuff, so wanted to move the battery somewhere else with more room - curious if anyone has any advice! I've heard that...
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    Possible to get Yamaha speedometer output to show up on Garmin chartplotter?

    I understand that my 2014 Yamaha F50LB has a speedometer output that you can connect to one of those overpriced Yamaha gauges. But is it possible to connect this to a Garmin chartplotter (ECHOMAP Ultra 106sv)? I tried to search online but didn't come across anything obvious, thanks so much for...
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    2nd battery needed if installing prawn puller??

    18ft RIB zodiac with 50hp Yamaha outboard, currently have just one battery used for starting + electronics. Just got a prawn puller which has a 3.4-30amp load range. I definitely don't want to drain my only battery and be stranded, wondering if I should be wiring up a secondary battery? Space...
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    On-water toolkit for 50hp Yamaha?

    Doing lots of remote multi-day exploratory trips in fairly remote areas, not a lot of other boats around. Sometimes landing/launching in surf and sometimes in shallow inter-tidal (i.e. breaking a prop is kinda likely 😬). I've had a basic set of tools onboard but thinking I should give what I...
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    YDS cable + software?

    Trying to read engine hours and codes for my 2014 Yamaha F50LB (50hp outboard) Looking for an 'aftermarket' cable compatible with YDIS 2.0 (that's what the service manual seems to state if needed). I saw a few on Amazon but some state they only work with older YDIS 1.0 engines, while others...
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    Rusted spark plug well/mating surface - is this a concern?

    While changing the spark plugs on a new to me 2014 50hp Yamaha outboard I noticed that 3 of the 4 wells have a fair bit of corrosion in them. This corrosion isn't just in the 'outer' surface of the well but extends to the machined mating surface against which the spark plug metal washer would...
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    Salt from outboard ruined my tools!!

    Oh man, first time working on an outboard. Pulled the lower unit and it was full of crystalized salt. Used a drill with some wire brushes to clean it up, which blew salt all over my workbench and tools. Ended up leaving the project half finished in the garage to leave for vacation, got back to...
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    Rydlyme flush questions

    Trying to get a new to me motor up to snuff with maintenance. Got a sense that the previous owner might not have been doing much in the way of post-use water flushes so wanted to get the cooling system cleaned up. Got some Rydlyme and set up a flush cycle using a sump pump. 1:1 mix of water and...
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    Deformed water pump housing, sign of overheat?

    Doing a 100hr service on a new to me Yamaha F50 outboard. I noticed that the inside of the water pump housing (which is plastic) looked like it had melted a little bit! :oops: Outboards and boat engines are new to me, so curious about others' opinions. This is how the inside of the housing is...
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