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Thread: Help 1979 honda atc 110 no spark at plug

  1. #1
    Join Date
    Apr 2013
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    Nebraska
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    Help 1979 honda atc 110 no spark at plug

    I have a 79 Honda atc 110 with a new spark plug. The points are sparking but it will not transfer to the spark plug. How to I test the coil and condenser?? If the coil is bad Where could I find a new one?? I have looked around and there doesn't seem to be any aftermarket for something this old. Will another year and cc size fit?? Thank you all for your input and time. I would really love to get this atc running again.

  2. #2
    Join Date
    Jul 2009
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    6,809
    If you haven't replaced the points replace them even if they look good . 90% of the time its the points .
    Remove the spark plug cap and cut 1/4" off the coil wire and reinstall the cap , this will insure for a good connection .
    After you've done all this and no spark contact me I have coils used and new .
    Last edited by shortline10; 04-11-2013 at 03:46 PM.
    78 atc 90/180cc Dickson Full Suspension
    76 ATC90/180cc Nicholson
    77 atc 90 Dickson Full Suspension
    84 KLT 110/123cc Powroll Racer from 80s
    87 atc 125m stock
    84 atc 200x Curtis Sparks
    84 atc 200x Powroll My race bike from 80's
    83 atc70/108cc Powroll blue Xmas Special
    81 atc185s HP-ATC full suspension

    Performance Shop is Open PM me for Service

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  3. #3
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    Nebraska
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    Thank you very much for the answer. I will try that when I get home in about a week. I will let you know what I come up with. thanks again

  4. #4
    tapage is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Quote Originally Posted by shortline10 View Post
    If you haven't replaced the points replace them even if they look good . 90% of the time its the points .
    Remove the spark plug cap and cut 1/4" off the coil wire and reinstall the cap , this will insure for a good connection .
    After you've done all this and no spark contact me I have coils used and new .
    You don't have cut the wire off, you can always just use a continuity tester and if it beeps its good.

  5. #5
    Join Date
    Jul 2009
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    Showing continuity at the plug cap to wire might not be good enough it has to be a really good connection and by cutting the wire back a little and screwing the cap back on insures this .
    Also by probing a tester into the coil wire to check for continuity can contaminate the wire and cause bigger issues .

    Quote Originally Posted by tapage View Post
    You don't have cut the wire off, you can always just use a continuity tester and if it beeps its good.
    78 atc 90/180cc Dickson Full Suspension
    76 ATC90/180cc Nicholson
    77 atc 90 Dickson Full Suspension
    84 KLT 110/123cc Powroll Racer from 80s
    87 atc 125m stock
    84 atc 200x Curtis Sparks
    84 atc 200x Powroll My race bike from 80's
    83 atc70/108cc Powroll blue Xmas Special
    81 atc185s HP-ATC full suspension

    Performance Shop is Open PM me for Service

    My Feedback http://www.3wheelerworld.com/showthr...ck+shortline10

  6. #6
    tapage is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Montrose, IA U.S.A.
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    166
    o... thats how i found my plug wire was bad by checking continuity...

  7. #7
    Join Date
    Jul 2009
    Location
    South Florida
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    6,809
    This is a 79 atc110 coil were talking about the plug wire ISN'T removable from the coil so tell me how your going to check for continuity ...
    I understand your trying to help but your wrong in this case .



    Quote Originally Posted by tapage View Post
    o... thats how i found my plug wire was bad by checking continuity...
    78 atc 90/180cc Dickson Full Suspension
    76 ATC90/180cc Nicholson
    77 atc 90 Dickson Full Suspension
    84 KLT 110/123cc Powroll Racer from 80s
    87 atc 125m stock
    84 atc 200x Curtis Sparks
    84 atc 200x Powroll My race bike from 80's
    83 atc70/108cc Powroll blue Xmas Special
    81 atc185s HP-ATC full suspension

    Performance Shop is Open PM me for Service

    My Feedback http://www.3wheelerworld.com/showthr...ck+shortline10

  8. #8
    Join Date
    Apr 2013
    Location
    Nebraska
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    Well I installed new points and set them to .014. The spark is bright at the points. Installed a new plug and set gap to .025. Took a 1/4 inch of the end of the plug wire and I still have no spark at the plug. The coil number is FL501AC. If anyone has a good coil I would be interested in it. my number is 402-416-1497. Thanks

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