Plug recommendation please

Currently flying a Flair Extra 300S with a Moki 135. Flies fine but I don't think the engine is running as well as it could. Can anyone recommend which type of plug I should use for this engine please? Currently running on OS 8 but local dealer reckons OS A5 would be better.


cheers, Len

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Len Cuff
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Enya #3

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Tom Minger

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