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Repair guides and support for motorcycles manufactured by Yamaha Motor Company.

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My 1980 Mx 175 G loses spark when in gets hot?

My 1980 MX 175 G runs really good until it warms up after a while and it starts to lose its spark you can here it then it will lose it all the way then when it cools down it regains its spark and I can start it again what do you think it is I tried 2 different ignition coils that didn't work do you think it's the CDI box?

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Probably The CDI Wires Melted when it gets hot then loses spark. if it cools down the contacts reattached

and creates spark

hope it worked

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6 Comments:

It’s gotta be in the cdi itself then cause all the wires are gone over and bad spots were fixed

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could you try the CDI in another motorcycle?

by

if The CDI fails to spark in another motorcycle then its gonna be the CDI

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so if that happens then replace the CDI

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Ok guys I got some parts coming I can try thanks

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Tristan Bullard will be eternally grateful.
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