My1980's 9.8 Mercury 2 stroke only pumps water when in gear, not in neutral...how is that possible?
B Bassn7 Seaman Joined May 25, 2015 Messages 65 Jun 2, 2019 #1 My1980's 9.8 Mercury 2 stroke only pumps water when in gear, not in neutral...how is that possible?
River Rattler Cadet Joined Jun 2, 2019 Messages 6 Jun 2, 2019 #2 Check seal around intake to water pump in the lower unit. I have heard that will cause your issue though never seen it myself.
Check seal around intake to water pump in the lower unit. I have heard that will cause your issue though never seen it myself.
R racerone Supreme Mariner Joined Dec 28, 2013 Messages 38,463 Jun 2, 2019 #3 It should pump all the time when it is running.-----But is the water in your test bucket well above the pump ???----Or just covering the intake above the prop ?
It should pump all the time when it is running.-----But is the water in your test bucket well above the pump ???----Or just covering the intake above the prop ?
jimmbo Supreme Mariner Joined May 24, 2004 Messages 13,655 Jun 2, 2019 #4 A badly worn pump, that gets a bit of help from water being pushed into the water intake by the prop
R racerone Supreme Mariner Joined Dec 28, 2013 Messages 38,463 Jun 3, 2019 #5 Was a new impeller installed , yes or no ?
