lead additive for 1973 evinrude 50hp?

[BIGcarpy50]

I know it has been talked about but i still am unclear..i have a new to me 1973 evinrude 50hp motor and i know that these were built to use with leaded gas....should i use a lead additive?

 

[F_R]

Re: lead additive for 1973 evinrude 50hp?

In a word, No.

 

[tx1961whaler]

Re: lead additive for 1973 evinrude 50hp?

No. Two strokes never needed leaded gas. Lead compounds were used to lubricate the valves on 4 stroke engines. The lead also raised the octane rating of the gas.

 

[BIGcarpy50]

Re: lead additive for 1973 evinrude 50hp?

thanks for the info