Carbon Gaurd expiration

[fixmyevinrude]

I have some Evinrude Carbon Gaurd and Evinrude 2+4 fuel treatment. It is about 7 years old. The bottles have never been opened and they have been stored in a cool basement away from light. Does this stuff ever go bad or is it still safe to use.

 

[boobie]

Call BRP customer service at 1-262-884-5993 and ask them.