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Thread: spark free 85 super red

  1. #1
    Join Date
    Jul 2012
    Location
    spring
    --
    9

    spark free 85 super red

    Hello all. I recently got ahold of an 85 big 250. First three days ran great. Fired right up no problem today, will not spark at all. I have no clue. Put voltmeter on wires going to ign coil and its getting small voltage. Any clues? Thanks

  2. #2
    Join Date
    Jul 2012
    Location
    spokane valley washington
    --
    27
    could it be the cdi? i kinda had the same problem with my 185s

  3. #3
    Join Date
    Jul 2012
    Location
    spring
    --
    9

    aftermarket cdi

    If that be the case how do u guys feel/trust performance cdi's to enhance performance? Any good brands?

  4. #4
    Join Date
    Jul 2012
    Location
    spokane valley washington
    --
    27
    the cdi i got i ripped off another three wheeler so i don't haven't used any aftermarket cdis

  5. #5
    Join Date
    Aug 2008
    Location
    MN
    --
    3,263
    Sounds to me like its the CDI... Replace it!
    ---------------------------------------------------------
    1984 Honda ATC200ES "Big Red"
    1982 ATC200E "Hondie"
    1988 TRX300FW "Project Quad" Still in progress....

  6. #6
    Join Date
    Jul 2012
    Location
    spring
    --
    9
    Y is it always the ez things that p's u off. Random thought to mess w kill switch fixed my problem. Thanks guy for the insight none the less. Expanded my knowledge. Thanks.

  7. #7
    Join Date
    Jan 2011
    Location
    Choctaw, OK
    --
    2,755
    Take your run/stop switch off and drop it in a container full of rubbing alcohol. Let it soak for a while. Actuate the switches over and over. Pull it out, blow it dry inside and out and let it air dry overnight. Those mechanical switches get full of crap and corrosion. The alcohol works good to clean the contacts up and leaves no residue.

  8. #8
    Join Date
    Aug 2008
    Location
    MN
    --
    3,263
    Those darn kill switches... They will get ya!
    ---------------------------------------------------------
    1984 Honda ATC200ES "Big Red"
    1982 ATC200E "Hondie"
    1988 TRX300FW "Project Quad" Still in progress....

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