Spark plug Gap '78 140hp Evinrude - iboats Boating Forums

Spark plug Gap '78 140hp Evinrude
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#1

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July 23rd, 2004, 10:13 PM

BrownBear

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Join Date: Jul 2004

Location: Oceanside, CA

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Spark plug Gap '78 140hp Evinrude

Can anyone tell me what the Gap should be set at for my plugs. I just ordered some new Bosch plugs they will be in on Thursday the 29th.

escaped line break fix

escaped line break fix

Thanks!

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#2

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July 23rd, 2004, 11:35 PM

Walker

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Join Date: Jun 2002

Location: SanAntonio,Tx

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Re: Spark plug Gap '78 140hp Evinrude

The biggest gap is in your wallet. That motor likes Champion L77JC4's or QL77JC4's gapped at.030. I have no idea what the Bosch plugs should be gapped at

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