Attex St400 T20 problem

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Thread: Attex St400 T20 problem

  1. #1
    Join Date
    Nov 2016
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    quincy illinois
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    Attex St400 T20 problem

    Hey everyone, Got an issue with this T20 I can not figure out. So here goes. With the T20 Shifted into forward, shifters facing front, Push the sticks forward, no result. Pull the sticks back it goes in reverse. Shifted into reverse, pushing the sticks forward, it goes forward.
    And it will not steer either left or right.? I am open to all suggestions to what the problem is. Thanks all.

  2. #2
    Join Date
    Jan 2014
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    clifton IL
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    Quote Originally Posted by Ghost63 View Post
    Hey everyone, Got an issue with this T20 I can not figure out. So here goes. With the T20 Shifted into forward, shifters facing front, Push the sticks forward, no result. Pull the sticks back it goes in reverse. Shifted into reverse, pushing the sticks forward, it goes forward.
    And it will not steer either left or right.? I am open to all suggestions to what the problem is. Thanks all.
    WOW!! I'll be following this thread,different motor rotation maybe or maybe bands in wrong?? Good luck and I'm sure some guys on here will help you figure this out!!!

  3. #3
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    Nov 2016
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    quincy illinois
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    was told maybe bands were put back in wrong by me. But I never removed the clevis plunger from them. and I cant figure how they could have went in wrong. But it could be I guess.

  4. #4
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    Nov 2016
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    there was no motor change. Still original JLO 399

  5. #5
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    Oct 2007
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    statesville, north carolina
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    Quote Originally Posted by Ghost63 View Post
    was told maybe bands were put back in wrong by me. But I never removed the clevis plunger from them. and I cant figure how they could have went in wrong. But it could be I guess.
    They would have to have swapped from one case half to the other. The "inner band" for the left case half would have to have ended up as the "outer band" in the right case half and so on
    A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.

  6. #6
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    Jan 2014
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    Quote Originally Posted by Ghost63 View Post
    was told maybe bands were put back in wrong by me. But I never removed the clevis plunger from them. and I cant figure how they could have went in wrong. But it could be I guess.
    I wish I could help you out more with this but I haven't opened a t-20 up in 10 years!! 2 strokes will run either direction also but thats probably not the problem here. I'd have to say it's a band issue but can't guarantee that!!
    Good luck and someone with more knowledge needs to chime in on this!!

  7. #7
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    May 2007
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    Are the diamond shifters installed correctly and moving the shift collars properly? Pull them out and shift the collars by hand (with a screw driver).

  8. #8
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    Nov 2016
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    I think your right racerone, I watched the T20 rebuild video again and it looks like you could mistake 1 band for the other, as both would still fit on the anchor pins.

  9. #9
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    Dec 2012
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    Quote Originally Posted by Mike View Post
    Are the diamond shifters installed correctly and moving the shift collars properly? Pull them out and shift the collars by hand (with a screw driver).
    I was thinking the same thing.
    "Racing is life. Anything that happens before or after is just waiting."

  10. #10
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    Oct 2007
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    Quote Originally Posted by Mike View Post
    Are the diamond shifters installed correctly and moving the shift collars properly? Pull them out and shift the collars by hand (with a screw driver).
    I haven't actually tried it, but I'm pretty sure that the pins wouldn't make any contact if you put them in wrong. The bore for the shifters is offset toward the rear of the trans, so that only a pin located toward the front of the bore would reach the shift collar
    A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.

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