Is non ethanol 89 octane OK to run in a 03 yamaha 90 hp 4stroke carbed motor?
M mommicked Lieutenant Commander Joined Dec 15, 2009 Messages 1,700 Aug 17, 2013 #1 Is non ethanol 89 octane OK to run in a 03 yamaha 90 hp 4stroke carbed motor?
M mommicked Lieutenant Commander Joined Dec 15, 2009 Messages 1,700 Aug 17, 2013 #3 Re: octane question Thank you sir.
