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YMF80N ATV sparks but won't start
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mech_guy



Joined: 06 May 2007
Posts: 2

PostPosted: Thu May 17, 2007 8:14 pm    Post subject: YMF80N ATV sparks but won't start Reply with quote

I have a 1985 Yamaha 80 that has me really puzzled. It has spark but it but it will not start.

I have replaced the CDI coils, the ign coil and the CDI and it still will not fire. I even tried pooring gas into the cylinder and and it will not ignite. Starting fluid same thing.

Everything in the Ignition circuit seems to be functional. Is there something in the Charging system that could be preventing it from starting? Could the Rectifier / Regulator be the culprit?
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pcollins



Joined: 12 Jan 2007
Posts: 57

PostPosted: Wed May 23, 2007 8:41 am    Post subject: lalala Reply with quote

i had the same problem with a 1984 honda. i had spark and gas and it wouldn't start. i cleaned the carb and cleaned the points and checked timing. after i fixed all of those problems it started.
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