hi, i have an 1986 170 merc that the enigine hesitates only at full throttle, any ideas, thanks.
L lewski Seaman Apprentice Joined Mar 23, 2011 Messages 35 Jun 13, 2011 #1 hi, i have an 1986 170 merc that the enigine hesitates only at full throttle, any ideas, thanks.
D dubs283 Vice Admiral Joined Jul 27, 2005 Messages 5,332 Jun 13, 2011 #2 Re: 170hp merc hesitation fuel system issue?? tune-up time??
conk3416 Petty Officer 3rd Class Joined Jul 25, 2009 Messages 76 Jun 13, 2011 #3 Re: 170hp merc hesitation I would start with changing the plugs and wires