Why would there be oil on the sprak plugs, is this the sign of a serious problem?? Best, -Rich
M Man On A Mission Cadet Joined May 3, 2009 Messages 11 May 5, 2009 #1 Why would there be oil on the sprak plugs, is this the sign of a serious problem?? Best, -Rich
Vic.S Rear Admiral Joined May 4, 2004 Messages 4,719 May 6, 2009 #2 Re: 57 Evinrude 7.5 Oil on plugs!!!!!!! It runs on a pretty oily mix (20:1) so i'd expect the plugs to look a bit oily. I'm used to British Seagull engines that run on 10:1 or 25:1. Plugs always black and oily! You are using a 2 stroke outboard engine oil (TCW3 spec)?
Re: 57 Evinrude 7.5 Oil on plugs!!!!!!! It runs on a pretty oily mix (20:1) so i'd expect the plugs to look a bit oily. I'm used to British Seagull engines that run on 10:1 or 25:1. Plugs always black and oily! You are using a 2 stroke outboard engine oil (TCW3 spec)?