1974 85 hp evinrude plug gap - iboats Boating Forums

August 10th, 2003, 06:55 PM

jackchingboddabing jackchingboddabing is offline

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Join Date: Aug 2003

Location: michigan

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1974 85 hp evinrude plug gap

was just wondering if anyone can tell me spark plug gap on this motor.plugs are champion l77jc4

August 10th, 2003, 07:21 PM

OBJ

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Location: Rayland, Ohio

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Re: 1974 85 hp evinrude plug gap

Hi Jack....

Set them at .030.

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August 10th, 2003, 08:33 PM

wikelam

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Location: Stillwater OK

Posts: 543

Re: 1974 85 hp evinrude plug gap

.030

August 10th, 2003, 09:35 PM

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Location: PHX, AZ

Posts: 17,342

Re: 1974 85 hp evinrude plug gap

It will idle better if you set them at .040".

Use nothing but: Champion UL77JC4

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