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Thread: Novarossi Mephisto 21 running 25% fuel
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Old 12-16-2020, 08:14 AM
  #5  
homeyopito
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Join Date: Dec 2020
Location: Barcelona
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Originally Posted by davidl
This engine is delivered only with the 28038 button. The 28025 button must be purchase separately.
sorry for the question, it's an old topic ..
I am in the same situation, I have bought the 28025 cylinder head for nitro 25% but I don't know if I have to put washers on it or leave the ones with the 16% cylinder head on
What washers should I put with the 28025 cylinder head (25% nitro), none?

thanks!
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