[quote=&quot;Red River&quot;:2eovmpt1]The valve lash is stated as .011&quot;on a cold engine
 in owner manual form#F1-1-40-1M[/quote:2eovmpt1]
Thanks so much for that information. would they list the correct spark plugs in your book, it came in with Champion D21. the holes in the head look alot deeper than this short plug.
Thanks Ed