I don't know how the oil mix wouldn't have any effect on the running of the engine, surely an over oiled mix would affect the running. When I used 50:1 it ran really poor and wouldn't tick over properly with out stalling, as well as poor starting (new plugs), changing to 100:1 for a season it...
Hi, firstly thanls for letting me join.
I have a Yamaha 75 CETO (ex rnli) /692/L/1028046/J
I was told to run it on 50:1 but it runs like a pig, plugs have the correct gap all leads in good condition etc), difficult to tickover and start. So i visited our local (port patrick) RNLI Station and...