gkp413 Posted January 3, 2007 Report Share Posted January 3, 2007 I am rebuilding a 84 Cota 200 and am having some carburation woes. Talking to a friend he pointed out that I am using a modern synthetic oil at 50:1 which means the fuel is less viscous than the standard jetting was set for back in the 80's at 25:1. Has anyone esle experience of changing to modern oils at a higher ratio and what jetting changes did you need to make to compensate? many thanks, Gary, Quote Link to comment Share on other sites More sharing options...
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