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What is the right spark plug for a 1990 90 HP Evinrude Outboard Motor?
Updated: 10/26/2022
Wiki User
∙ 15y agoBest Answer
The 1990 model, 90 hp Evinrude outboard can use either an NGK BR7HS, or Champion L77JC4.
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∙ 15y agoThis answer is:
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