1992 250x bad coil - Honda TRX Forum
 
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post #1 of 7 Old 08-25-2018, 12:43 PM Thread Starter
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1992 250x bad coil

I have a bad coil on my 1992 250x. I cant seem to find a new Honda coil anywhere, will a 300ex coil work?
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post #2 of 7 Old 08-25-2018, 01:23 PM
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No - a 300EX coil is not listed as a replacement, but there are several on Ebay and Caltric has them new for $7

Go here https://www.ebay.com/itm/IGNITION-CO...wAAOSwPe1T-JfA

or search for part number 30510-HC0-000
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post #3 of 7 Old 08-25-2018, 01:34 PM Thread Starter
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Thanks, i have never had any experience with the off brands. Ill give it a try.
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post #4 of 7 Old 08-25-2018, 01:56 PM
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I don't like the term "off brand" - Honda does not make coils, they buy them from a supplier - the "off brand" might come from the same source.
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post #5 of 7 Old 08-25-2018, 02:11 PM Thread Starter
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Makes perfect sense, thanks for your help.
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post #6 of 7 Old 08-27-2018, 10:00 PM Thread Starter
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I thought it was my coil that had gone bad as it had a crack in it. It ended up being a faulty CDI that was intermittent.
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post #7 of 7 Old 08-28-2018, 02:44 PM
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Yeah, everyone suspects the coil when spark goes south and the coil is usually the last thing that goes bad. The coil is nothing but a transformer and it's pretty durable. Even with a crack (usually just caused by the plastic covering drying out) they work. The stator is subject to relatively rapid heating and cooling in addition to stress caused by the magnetic field rotating around it - it fails most frequently. The CDI unit is sealed, protected from vibration and usually located in a relatively cool spot. It most frequently dies from age. It fails less often than the stator, but more often than the coil.

Glad you solved the problem
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