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  1. T

    Yamaha C40 2 cycle, where's this spring from?

    Yeah your right its really not the motor work that's bothering me. The boat now is on a floating lift and will need to be towed to the marina dock and trailed home. I live about a half mile into the woods on a winding single lane road with no place to turn around a 24' trailered pontoon boat...
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    Yamaha C40 2 cycle, where's this spring from?

    I haven't checked. I believe it is a seal spring but wanted someone else to agree before tearing the outboard apart. Thx
  3. T

    Yamaha C40 2 cycle, where's this spring from?

    Guess it would be hard to imagine how a spring from that location would end up in the water path. It also doesn't appear to be similar in shape although it's hard to tell from the diagram. One thing for certain tho my spring is not a compression spring as indicated by the parts description...
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    Yamaha C40 2 cycle, where's this spring from?

    OK here's what I got, any ideas? Again it was just setting atop the plastic pressure valve when I pulled it out.
  5. T

    Yamaha C40 2 cycle, where's this spring from?

    I'm going to go down and check today but I'm pretty certain that my spring is longer than that. I'll post dimensions later today. Thx for your reply. By the way what is that spring from?
  6. T

    Yamaha C40 2 cycle, where's this spring from?

    Think it could be a spring from a shaft seal someplace in the water path prior ?
  7. T

    Yamaha C40 2 cycle, where's this spring from?

    Thats C40ELRQ
  8. T

    Yamaha C40 2 cycle, where's this spring from?

    Went down to the boat to get a pic of that spring, OK it is longer than 5/16". The pic is reconstructed to show exactly how I found it when I pulled the plastic valve from the head.
  9. T

    Yamaha C40 2 cycle, where's this spring from?

    I was looking into why Yamaha 40hp C40 would not idle the other day in cold water, 50F, when the last 2 summers it was running good. This was the first time I tried to run it in Dec. Thinking it was related to the water temp I was checking the thermostat and pressure relief valve. When I...
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