What the the best spark plug and proper gap for a 1971 18hp Evinrude, fastwin ? Thx.
W Wayfarer Recruit Joined Nov 15, 2001 Messages 4 Nov 23, 2001 #1 What the the best spark plug and proper gap for a 1971 18hp Evinrude, fastwin ? Thx.
JB Honorary Moderator Emeritus Joined Mar 25, 2001 Messages 45,907 Nov 23, 2001 #2 Re: Plug & Gap for '71 Evinrude, 18hp ? My book goes up to '69, Wayfarer.<br /><br />It calls for Champion J4J gapped at .030 for the 18 FasTwin. I would expect that to work for the '71 as well.<br /><br />Red sky at night. . .<br />JB
Re: Plug & Gap for '71 Evinrude, 18hp ? My book goes up to '69, Wayfarer.<br /><br />It calls for Champion J4J gapped at .030 for the 18 FasTwin. I would expect that to work for the '71 as well.<br /><br />Red sky at night. . .<br />JB
