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  1. H

    Bilge pump wiring

    So i have a shoreline 850 gpm with built in float. So 3 wires(black=negative,red=auto float switch, brown=manual). I have power through a perko switch to a fuse block. I have power from fuse block to a 2 pin rocker switch and the brown wire to the other pin on switch. I ran the red to the...
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    Whats this hole for???

    The manual mentioned an idle exhaust relief but didn't say where just that it needed to be out of the water. So I think your right sir. The tell tale is up further. I noticed it when doing the 20 hour maintenance on it so figured I'd ask. Thanks for the response sir.
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    Whats this hole for???

    Is this exhaust hole above the oil drain?? And is it normal for the splatter around it. It's my 2020 yamaha 15 hp. Here's a picture. Thanks in advance
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    Boat Ramp Disaster

    I'm a idiot. Never crossed my mind being a manual.
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    Boat Ramp Disaster

    So you leave your vehicle in gear and parking brake when launching?? I've always put it in park with parking brake but I hope to never have this occur.
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    Prop and trim

    Pretty sure it was when I was looking into stainless steel props when I found about turning point hustler and used their prop wizard and got the 9x10. My tp hustler don't have the holes tho. Thinking it was maybe too choppy that day cause I was able to tilt it all the way up and stayed under 6k...
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    Prop and trim

    Pretty sure I'm a lil under propped after messing with motor height. I have a yamaha 15 hp 4 stroke and was hitting about 5900 rpms trimmed all the way up before moving motor up but now with it trimmed to the second hole from all the way down im maxing 5900 where as before moving it up it was...
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    Yamaha 15 mounted too high

    I was by myself but I have two batteries deck and bow mount trolling motor up front and the prop is 9.25x10.
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    Yamaha 15 mounted too high

    F15SEHA 6AGK
  10. H

    Yamaha 15 mounted too high

    The motor is a 4 stroke. And its bolted to transom at 1 1/8" above transom so if I dropped it down it'd be deeper than pic. Full throttle operating range is 5-6k according to owners manual. And playing with the trim setting it was 5500-5600 all the way down and all way up was 5880-5900. That...
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    Yamaha 15 mounted too high

    I had planned today to un bolt it and sit it flush with the transom if the issue persisted but everything seemed good. I may give it a run anyway with it sitting flush before re sealing the bolt holes. The wot rpm range is 5-6k on the motor. I appreciate your response and I'll let ya know how it...
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    Yamaha 15 mounted too high

    Had it out today and pretty sure my issues were from being up so high. I couldn't get it to do what it was doing the last time out. I got a video I'm gonna try and get a picture with it running wot and how the top plate was running. At wot I was at about 5880-5900 rpm at about 26 mph. Its...
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    Yamaha 15 mounted too high

    Ya I understand that but I had it bolted to transom with the bottom holes so i dropped it to the top holes which its sitting 1 1/8" above the top of transom now.
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    Yamaha 15 mounted too high

    Ended up dropping it to the top hole. With the bottom hole the top of bracket was 1 7/8" from top of transom. Gonna run it again this weekend before taking it down to the dealer. Thanks and appreciate the responses
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    Yamaha 15 mounted too high

    I peaked at on plane and my top plate was definitely out of water unlike your picture. It was flowing off both sides and cascading off the bottom like a fountain. And that picture was all the trimmed up I believe. I tried all trim settings and there's was really no difference in bow lift and the...
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    Yamaha 15 mounted too high

    I planned on it but didnt want to make the hour and half trip if it was from being mounted too high. During the second hour easing into plane it didnt do it... it wasnt til the third hour when i noticed it. But I was giving more throttle. It was like the bumps when your lower goes but it would...
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    Yamaha 15 mounted too high

    The motor was never taken back. I purchased it new back in September I haven't taken it out til today. I did the first hour of upto 2000 rpms and second hour of break in where you get boat on plane and back off throttle while still on plane. It wasnt til the third hour when I noticed the hiccups...
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    Yamaha 15 mounted too high

    I bought the motor back in September and the dealer fired it up and I took it home... it sat close to two months and finally had boat ready so when I tried firing it up it took a while before it started... I had to give more throttle before it started. Not sure I'd call it a surge but maybe the...
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    Yamaha 15 mounted too high

  20. H

    Yamaha 15 mounted too high

    Was just out today with my 2020 yamaha 15 for the break in period... I got the first two hours done and running into what feels like surging when I throttle up quickly. It wasn't everytime and didnt notice it till the beginning of third hour... would having it mounted too high cause it or a carb...
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