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Solo 210 Spark Plug

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Hmm, that is very interesting. I was advised 0.4mm by fresh breeze themselves, so that is what I set the gap at. However, I have been having trouble with idling, so perhaps fresh breeze meant inches not mm (although I just checked their email which does definitely specify 0.4mm). I'm flying this evening so I'll set the plug to 1mm and see how it runs...

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Yes, give it a try. FB could have had a metric/imperial muddle up. Clearly you will get a bigger spark with a bigger gap, and the plug manufacturer says their plug will support that size gap. But, then again maybe FB have a specific reason for under specifying the gap.

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  • 3 weeks later...

The ONLY difference between B8HS and B8HS-10 is that the latter has been accurately pre-gapped to 1.0mm which is way too big for the 210. You can re-gap it though. Anywhere from 0.4 to 0.6 is good.

A larger gap retards the timing slightly for extra safety.

Smaller gap gives a bit more performance at the risk of detonation.

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  • 3 years later...

I fly my fresh breeze simonini engine with NGKB10ES.  Plug gap -025/-027

On 13/08/2017 at 11:30, asquaddie said:


Did you get a trike in the end?



On 14/05/2014 at 21:48, tomarnold said:

He he he, oops, 0.4mm


On 14/05/2014 at 21:59, PatPux said:

No......04" or 1mm


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