I have a 1990 90 hp yamaha oil injected,with the motor wide open what should my tack show for rpms.
L leafs Petty Officer 2nd Class Joined Jul 19, 2002 Messages 160 May 15, 2008 #1 I have a 1990 90 hp yamaha oil injected,with the motor wide open what should my tack show for rpms.
