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2007 Tige 22VE Throttle Curve is not smooth (fly by wire)

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    2007 Tige 22VE Throttle Curve is not smooth (fly by wire)

    Boat shifts into gear perfectly, then as you go to pull up your rider up you keep increasing the throttle but nothing happens until suddenly it kicks in hard and takes off. The boat is new to me so I don't know how long it's been like that but it seems like it isn't registering the throttle movement until about 1/4 of the way through the throw. When it finally does register it seems to jump to 25% or more throttle.

    My first thought was maybe a cylinder or 2 wasn't coming to life until 20% throttle but after some practice I can control it with very small, precise movements. I've read a little on throttle position sensors, which I'm somewhat familiar with, but also I'm finding posts about pots but those posts usually involve limp mode, which mine isn't going into (thankfully!). The boat has over 800 hours on it, I'm thinking something is worn out I'm just not sure where to start. I do have a multi-meter but I'm no pro at using it. Any ideas would be greatly appreciated, I believe the issue might be why my Tige set is so unstable.

    #2
    Can you duplicate this with the neutral lockout engaged? Curious if once the throttle begins to respond, do the rpm slowly increase as normal, or do the RPM just jump up as if they are catching up to the throttle levers position?
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      #3
      That's a great idea, I'm embarrassed I didn't check it first. I'll watch the RPM's under load and in Neutral and report back. Thanks!

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        #4
        It does happen in neutral as well. The most noticeable jump is around 1500 rpms...it jumps to 2500 quickly, so 1800 would be difficult to achieve. I tried to take a video, will see if I can get it to post. https://youtu.be/Tf1VofQ78D8

        Is there a servo in the throttle body that could be wearing out? I took the throttle off the side of the boat to watch it move, I can't find any play in the mechanism but wonder if some maybe there are contact points that could be cleaned.

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          #5
          Curious, did you get it figured out? I may be having a similar problem with my 06 24ve. Thanks

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            #6
            Originally posted by crzylgs View Post
            Curious, did you get it figured out? I may be having a similar problem with my 06 24ve. Thanks
            Does yours do the same thing in neutral?
            Oh Yeah!

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              #7
              Just signed in for the first time in a while & saw crzylgs post...I did not get it figured out. Sean from Marine Power sent me instructions for recalibrating the throttle, I'm happy to send them if you give me an e-mail. It's 5 attachments. I did not try them because the throttle seemed to work perfectly the first time out, I thought maybe removing and reinstalling the batteries fixed it, however it came back quickly. I read the calibration instructions quickly, it won't be super easy for me. I might give it a shot later in the season, right now we're just dealing with it. This is prime season for us!

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                #8
                Thanks for the responses, I apologize for not checking back on this sooner.
                My boat is doing something similar...
                When I apply the throttle on my boat it immediately engages the drive, however I need to engage the lever 1/3 of the way through its swing before it provides any power. When the power does appear it is strong, I am guessing because it is catching up to where the lever is set.
                There is a lot of motion in the lever both sides of neutral before power is applied. Somethings if I engage the throttle to far without letting the motor catch up it will die. Once the motor has caught up with the throttle on the initial jump out of the hole it’s reaction is very immediate and consistent.
                I took the boat into Germaine Marine in Utah and they said my throttle wiring was worn out, they re-wired the system and sent me on my way $$$. On my first trip back out I immediately noticed there was absolutely no difference in the performance of the throttle after they re-wired it. I do not really have any confidence in taking it back to the dealer and am hoping I can find a DIY test to find the source of the problem.
                I see new wires were installed so I assume I can eliminate the wire from throttle to motor however I am not sure if there are sensors on either end I should be looking at or maybe something to do with the throttle body itself.
                We used the boat through the end of the season, but now that it is winter I would like to get this fixed before next season.
                Any insight would be appreciated.
                Thanks


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                  #9
                  Rider, I just messaged you my email address. Thanks


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