Thread: Motor reference question
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Old 04-25-2014, 06:44 PM
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agelesssone agelesssone is offline
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Default spark plug gap
champion plug QL77JC4 gapped at .030. This is for an 89, should be the same. This is also what my 150 Johnson uses.
Last edited by agelesssone; 04-25-2014 at 06:46 PM.
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