hi all,<br /><br />mariner ser#od994186 3f9<br /><br />Do to a misplaced manual could i please have the proper oil/ gas ratio(probablly 50:1) Is this an 86 or 99?.<br />Secondly, I used 50:1 last year and never experienced any problems, however, this year on my 1st trip out it would idle...