Vacuum safety switch on J50 1972

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Posted by Computerguyhouston ( on October 24, 2005 at 19:50:44:

I have 1972 johnson Seahorse 50hp Does it have a vacuum safety switch will kill one cylinder to slow down the engine during an overrev situation.

Reason I'm asking read on a nother board that this fellows outboard (1960 Lark 40)is doiung the same thing that my 50 is doing.

Starts out ok then it just looses power and runs on one cylinder

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