[AT] Coating for small engine mag

Howard Weeks weeksh at att.net
Fri Dec 8 15:50:51 PST 2017


I have coated them with acrylic spray (because it was handy) and never 
had a problem with spark or rust (so far). Same stuff I coat hand tools 
with to prevent rust.

Howard in GA

On 12/7/2017 5:58 PM, Stephen Offiler wrote:
> As long as the paint contains nothing ferrous (iron, iron oxide, etc...
> certain reddish pigments could be a problem) it looks just like air to the
> magnetism that is creating the spark.  Of course you can't lay it on
> thick.  The air gap tends to be pretty small, which is critical for the
> performance of the magnetic "circuit".
> 
> But, why not paint it at the factory?  That's an interesting question.
> 
> SO
> 
> 
> On Thu, Dec 7, 2017 at 5:21 PM, Mike M <meulenms at gmx.com> wrote:
> 
>> That is obvious, but I doubt it was painted from the factory or it
>> wouldn't be rusted now. Wasn't sure if paint would interfere with the
>> spark.
>>
>> Mike m
>>
>> On 12/7/2017 3:37 PM, Stephen Offiler wrote:
>>> Hate to sound obvious, but, how about paint?
>>>
>>> SO
>>>
>>> On Thu, Dec 7, 2017 at 1:25 PM, Mike M <meulenms at gmx.com> wrote:
>>>
>>>> My wood splitter wouldn't start the other day, had plenty of gas, wet
>>>> plug, but weak spark. I suspected rust on the flywheel, so I tore it
>>>> apart and I was right. Cleaned it up, and now have a nice strong spark.
>>>> Question is, can I coat the mag and coil pickups with anything to
>>>> prevent the rust from re-occurring?
>>>>
>>>> Thanks,
>>>> Mike M
>>>>
>>>>
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