Spark plug gap

This topic has 2 replies, 2 voices, and was last updated 4 years, 5 months ago by yooperrigged.

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March 23, 2021 at 8:59 am #234691
yooperrigged
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Hello,
Does anyone know the correct spark plug gap for a Johnson 1.5 hp Model SC 10 S? Thanks in advance.
March 23, 2021 at 9:06 am #234693
fleetwin
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US Member
J6C plug gapped at .030″. I’m assuming this is a 1968-70 Johnson 1.5hp, dark green color…
March 23, 2021 at 9:31 am #234699
yooperrigged
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Thank you Fleetwin. Indeed it is a 1968.
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