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Thread: 87 250es no spark

  1. #1
    Join Date
    Jan 2009
    Location
    Baytown, Texas
    --
    14

    87 250es no spark

    I am not getting any spark on this bike. My electric start will roll over and my neutral light is on. I have checked all the fuses and they are good. I am not getting any power sent to my ignition coil. Can anybody please give me some help? Does anybody know which wires to check for power coming into to CDI?

  2. #2
    1985BigRed250ES's Avatar
    1985BigRed250ES is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Jan 2009
    Location
    Rison, Arkansas, United States
    --
    397
    pull the spark plug, and ground it against the engine cases and turn it over to make sure its not getting spark.

    1985 Honda BigRed 250ES
    runs good all original
    Restoration in progress:
    1980 Honda ATC 110
    1985 Honda ATC 250SX
    1982 Honda 200ES BigRed
    1984 Honda 200S
    1984 Honda 200S parts bike
    1985 Honda ATC 110
    1983 Honda ATC 110 parts bike, runs but smokes
    Feedback link: http://www.3wheelerworldforums.com/s...ad.php?t=95258

  3. #3
    Join Date
    Mar 2008
    Location
    Wichita, kansas
    --
    123
    It is either cdi or pickup coil...the cdi is easier to do so i would try that first...but the pickup coil seem pretty prone to going out on these bikes..
    My Rides
    1985 350x- Super Trapp Exhaust
    1984 YTM 200
    2005 Trx 450r


  4. #4
    Join Date
    Jan 2009
    Location
    Baytown, Texas
    --
    14
    Where is the pick up coil? Also I have pulled the plug and even checked with a new plug but no spark.

  5. #5
    Join Date
    Mar 2008
    Location
    Wichita, kansas
    --
    123
    you have to pull the left side case off to get to the pickup coil.. same side as the stator...

    http://www.bikebandit.com/houseofmot...s-1987/o/m1904

    Go to generator and its number 3 on the digram
    My Rides
    1985 350x- Super Trapp Exhaust
    1984 YTM 200
    2005 Trx 450r


  6. #6
    Join Date
    Jan 2009
    Location
    Baytown, Texas
    --
    14
    Thanks a lot I am going to check that today.

  7. #7
    Join Date
    Nov 2003
    Location
    wales..uk
    --
    1,318
    check the ignition coil..... 90% of the time it's that...
    Need Honda ATC TRX NOS restoration parts??? or come check out our ATC brochure site
    www.offroadvintage.com

  8. #8
    Join Date
    Mar 2008
    Location
    Wichita, kansas
    --
    123
    Quote Originally Posted by petesatc View Post
    check the ignition coil..... 90% of the time it's that...
    He said he isent getting power to his ignition coil..
    My Rides
    1985 350x- Super Trapp Exhaust
    1984 YTM 200
    2005 Trx 450r


  9. #9
    Join Date
    Jan 2009
    Location
    Baytown, Texas
    --
    14
    I pulled the side off the engine today to check the pick up coil and found all kinds of problems. There were little pieces of metal that look like teeth off a gear floating around between the flywheel and the stator. All of the gears that I can see look good so I am not sure where those teeth came from. Those pieces of metal were rubbing between the stator and flywheel causing damage to the stator and some wear marks on the flywheel. I ohmed out the pick up coil and it checks and I ohmed out my stater and it reads 123 ohms does anyone know if that is a normal reading?

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