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Thread: 77 atc 90

  1. #16
    DAM shop's Avatar
    DAM shop is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    Quote Originally Posted by Lbox View Post
    Thats what i was thinking, but how? What changed? Not the correct set of points? The cover seems to be original. If all the parts are correct how does one fix this?

    Sent from my SAMSUNG-SM-G930A using Tapatalk
    what points did you put in? were they aftermarket or oem? there is a diffrence. post up a pic of the points without the cover on.
    90 nickolson Bored and Stroked "The Good"

    Big Bore 110 Pauter frame "The Bad"

    90 Bored and Stroked ?? "The Ugly"

    90 Nickolson Bored and Stroked "Waterloo"
    flat track build.

    1974 original 90 X 2

    1974 Original 70.

  2. #17
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    Points were in when i got it. I am wondering if this was the problem all along. :/

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  3. #18
    DAM shop's Avatar
    DAM shop is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    That would be it. I think what might be happening is that the connection there is what is shorting out on the cover. I also believe that those points are aftermarket, we've had issues with aftermarket points mounted to a stock plate before.
    90 nickolson Bored and Stroked "The Good"

    Big Bore 110 Pauter frame "The Bad"

    90 Bored and Stroked ?? "The Ugly"

    90 Nickolson Bored and Stroked "Waterloo"
    flat track build.

    1974 original 90 X 2

    1974 Original 70.

  4. #19
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    May 2017
    Location
    US
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    Well back to no spark, sat for 5 days nothing changed. This thing is testing my patience for sure.

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  5. #20
    DAM shop's Avatar
    DAM shop is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    Quote Originally Posted by Lbox View Post
    Well back to no spark, sat for 5 days nothing changed. This thing is testing my patience for sure.

    Sent from my SAMSUNG-SM-G930A using Tapatalk
    Keep worth it you'll get it figured out. If those points are stamped TEC that is aftermarket, I would suggest OEM points if that's the case
    90 nickolson Bored and Stroked "The Good"

    Big Bore 110 Pauter frame "The Bad"

    90 Bored and Stroked ?? "The Ugly"

    90 Nickolson Bored and Stroked "Waterloo"
    flat track build.

    1974 original 90 X 2

    1974 Original 70.

  6. #21
    Join Date
    May 2017
    Location
    US
    --
    35
    No stamp, but the dimpled frame doesnt seem to match the pics of the OEM ones ive seen. Regardless removing them for inspection forced me to reset them and i moved the wire in alil on its stud then bent it away from the frame alil. After i reset and gapped them, got the best spark yet! Started first pull!! Tightened the cover down still starts!!

    Next going to check valves and figure out why it falls on its face when you hit the throttle.

    Sent from my SAMSUNG-SM-G930A using Tapatalk

  7. #22
    DAM shop's Avatar
    DAM shop is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    Quote Originally Posted by Lbox View Post
    No stamp, but the dimpled frame doesnt seem to match the pics of the OEM ones ive seen. Regardless removing them for inspection forced me to reset them and i moved the wire in alil on its stud then bent it away from the frame alil. After i reset and gapped them, got the best spark yet! Started first pull!! Tightened the cover down still starts!!

    Next going to check valves and figure out why it falls on its face when you hit the throttle.

    Sent from my SAMSUNG-SM-G930A using Tapatalk
    That's what caught my eye were those dimples. Valves, carb, timing chain.
    90 nickolson Bored and Stroked "The Good"

    Big Bore 110 Pauter frame "The Bad"

    90 Bored and Stroked ?? "The Ugly"

    90 Nickolson Bored and Stroked "Waterloo"
    flat track build.

    1974 original 90 X 2

    1974 Original 70.

  8. #23
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    Location
    US
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    Heres a videohttp://cloud.tapatalk.com/s/5b4812c7...712_214524.mp4

    Sent from my SAMSUNG-SM-G930A using Tapatalk

  9. #24
    DAM shop's Avatar
    DAM shop is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    Lbox,
    Have you pulled your carb and cleaned it? Whats the air filter look like? Make sure everything is right with that carb and you may want to throw on a couple of inline filters. Being that the trike idles I would check the main jet. Does the throttle lever move freely? Does it have a stock exhaust on it? It does sound like it has some top end noise going on either timing chain or valves, check and adjust as needed.
    90 nickolson Bored and Stroked "The Good"

    Big Bore 110 Pauter frame "The Bad"

    90 Bored and Stroked ?? "The Ugly"

    90 Nickolson Bored and Stroked "Waterloo"
    flat track build.

    1974 original 90 X 2

    1974 Original 70.

  10. #25
    Join Date
    May 2017
    Location
    US
    --
    35
    Quote Originally Posted by DAM shop View Post
    Lbox,
    Have you pulled your carb and cleaned it?
    I didnt pull it just sprayed with carb cleaner.

    Whats the air filter look like?
    Its stock does it come apart?

    Make sure everything is right with that carb and you may want to throw on a couple of inline filters.
    Will do

    Being that the trike idles I would check the main jet.
    Will do
    Does the throttle lever move freely?
    Yes

    Does it have a stock exhaust on it?
    Yes, its rotted out at the muffler.


    It does sound like it has some top end noise going on either timing chain or valves, check and adjust as needed.
    Yup that was next on the list.

    Thanks for your help.


    Sent from my SAMSUNG-SM-G930A using Tapatalk

  11. #26
    DAM shop's Avatar
    DAM shop is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Nov 2015
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    Davenport iowa
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    Quote Originally Posted by Lbox View Post
    Sent from my SAMSUNG-SM-G930A using Tapatalk
    Air box does come apart and has a foam filter inside.

    Sent from my XT1650 using Tapatalk
    90 nickolson Bored and Stroked "The Good"

    Big Bore 110 Pauter frame "The Bad"

    90 Bored and Stroked ?? "The Ugly"

    90 Nickolson Bored and Stroked "Waterloo"
    flat track build.

    1974 original 90 X 2

    1974 Original 70.

  12. #27
    Join Date
    May 2017
    Location
    US
    --
    35
    Yup saw that. Tightened the cam chain, adj the valves. Checked the filter. Cleaned the carb. Got it running alil better.

    Sent from my SAMSUNG-SM-G930A using Tapatalk

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