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Thread: Need some help with firing issue on scrambler 90!!!

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  1. #1
    Join Date
    Nov 2005
    Location
    Houston Texas
    Posts
    7

    Need some help with firing issue on scrambler 90!!!

    Bought this bike after it had been sitting several years in storage. Put some fresh fuel in it and cleaned the carb good. Carb was in pretty rough shape. It fired up and ran good for a couple hours. My nephew got it in a mud puddle but it was still ru Ning good until the ride home it cut out. It was pretty rich on oil because I mixed the fuel in the tank also as a precaution incase the factory oiler was not working so I figured it was the plug fouled. I replaced the plug and it fired up and ran a few minutes good and did the same thing again. At this point I figure it was the carb flooding because when I pulled the plug you could see wet fuel on the plug. So I cleaned the carb again and still same thing. Problem seemed to get even worse. I replaced the carb with a new one which didn't make much difference. The bike is to the point it will fire up and idle for a few minutes but with any throttle or load it will bog and die and then won't start again.
    I replaced the plug again thinking maybe it fouled again. Still same thing. I at this point bypassed the factory oiler and just using the premixed fuel in the tank. I finally pulled the new plug and cleaned it and checked fire by leaving the plug attached to the coil wire and holding it to metal on the bike and kick it over. It had a few weak looking Sparks and then nothing. So I figured the mud puddle probably killed the stator. I opened it up and the stator looked pretty dirty muddy etc. I ordered a new stator and coil and replCed both today and it still did the same thing. It fired right up but with much throttle at all it would bog and try to die and then finally dies and would not restart. I pulled the plug and checked fire again and it had none.
    The only thing I can think left would be the ignition box. Is there a way to bypass the key switch and kill switch on the handle bars to eliminate those as being the issue before I spend another $100 plus on an ignition box? If the puddle killed the stator would it have killed the ignition also?
    Last edited by Htowntrx4??ex; 04-03-2015 at 01:45 AM. Reason: Bad spelling
    01 440ex

    01 Banshee
    Just fast enough to kill my self with
    FmF,Wiseco,K&N,
    Lonestar aarms, Billet stering stem,and
    Rear axle, Tag2 bars

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