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Thread: 1985 big red 250es no spark

  1. #1
    Join Date
    Apr 2022
    Location
    Indiana
    --
    7

    1985 big red 250es no spark

    I have an 85 big red with no spark I have replaced the kill switch, neutral and reverse harness,and the cdi box( converted it to the 86-87 big red cdi with the pigtail) checked the stator, exciter coil, and ignition coil they all test good according to the factory manual. I even bypassed the ignition switch and kill switch. Also checked all the fuses all tested good. I'm definitely in need of some help any help would be greatly appreciated!

  2. #2
    Join Date
    Jul 2009
    Location
    South Florida
    --
    6,722
    Aftermarket or OEM CDI ?
    I’ve never had any luck with those Chinese CDI boxes .
    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

  3. #3
    Join Date
    Apr 2022
    Location
    Indiana
    --
    7
    I bought an after market ricks hot shot cdi unit

  4. #4
    Join Date
    Feb 2016
    Location
    Stellenbosch, South Africa
    --
    179
    I had the exact same issue, I tested everything and it checked out, I replaced my CDi with one from Mike's ATV and never had any problems since ....
    1983 Honda ATC250R
    1983 Honda ATC200E BIG RED (sold)
    1984 Honda ATC200X (sold)
    1985 Honda ATC250ES BIG RED
    1985 Honda ATC70 x 2
    2001 Honda TRX90
    2004 Honda TRX300EX (sold)
    2008 Honda TRX250TM
    1976 Suzuki RV90M (sold)
    1967 Vespa Primavera 125
    1958 Massey Ferguson 35

  5. #5
    Join Date
    Jul 2020
    Location
    Western Pennsylvania
    --
    107
    I assume you already check the spark plug, plug wire, boot, and connection.
    3 Wheels:
    1982 Honda ATC 185s
    1983 Honda ATC 250R
    1984 Yamaha 225DX
    1985 Honda 250SX
    1986 Honda Big Red 250ES

    4 Wheels:
    1986 Suzuki LT50
    1987 Honda TRX 250 Fourtrax
    2023 Honda Foreman

  6. #6
    Join Date
    Apr 2022
    Location
    Indiana
    --
    7
    Yes I replaced all of those even tried another good ignition coil

  7. #7
    Join Date
    Apr 2022
    Location
    Indiana
    --
    7
    I will try a mikes cdi hopefully they have them in stock

  8. #8
    Join Date
    Feb 2016
    Location
    Stellenbosch, South Africa
    --
    179
    Mike is a very nice guy, if he doesn't have stock and you email him I am sure he will make a plan for you. www.mikesatvfix.com
    1983 Honda ATC250R
    1983 Honda ATC200E BIG RED (sold)
    1984 Honda ATC200X (sold)
    1985 Honda ATC250ES BIG RED
    1985 Honda ATC70 x 2
    2001 Honda TRX90
    2004 Honda TRX300EX (sold)
    2008 Honda TRX250TM
    1976 Suzuki RV90M (sold)
    1967 Vespa Primavera 125
    1958 Massey Ferguson 35

  9. #9
    Join Date
    Apr 2022
    Location
    Indiana
    --
    7
    I'm having trouble getting ahold of mikes atv fix. I've emailed him but no response. I also replaced the stator just to be sure. I'm lost at this point, does anyone know what else I could do or does anyone have a mikes cdi box for sale? Anyone live in Northern Indiana with a big red or sx that would be willing to let me test my cdi boxes on?

  10. #10
    Join Date
    Jan 2023
    Location
    New Zealand
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    2
    Im having the same issue no spark on my 200es, brought it not running and the wiring pretty hacked up i went through it all and deleted anything to do with the electric start so im down to the very basic’s but still have no spark im wondering
    If theres a everything seems to be connected properly except a single wire out of the bottom end above the reverse shaft?

    From what ive read theres a nutral safety switch that that might be my problem any ideas on how i can bypass it?

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