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Mercury Outboard Steam
Posted on 4/27/23 at 5:21 pm
Posted on 4/27/23 at 5:21 pm
Anyone else's Mercury outboard produce a visible amount of white steam from the exhaust at idle after warming up?
My 2013 175xs started steaming a few weeks back randomly and have been told by a few mechanics it's a normal thing so long as there aren't any alarms for the temp. No steam or anything once running, just at low speed/idle.
Anyone else seen this?
My 2013 175xs started steaming a few weeks back randomly and have been told by a few mechanics it's a normal thing so long as there aren't any alarms for the temp. No steam or anything once running, just at low speed/idle.
Anyone else seen this?
4
Posted on 4/27/23 at 5:28 pm to John_V
How long since the water pump was replaced?
Posted on 4/27/23 at 5:28 pm to John_V
Read about this recently, not sure it was mercury or not but it's from humidity boiling off supposedly.
Posted on 4/27/23 at 8:21 pm to John_V
Have the same motor but 2012 model. Has done and still does the same thing. Steams at low idle after warming up and after running WOT then shutting down or getting off throttle to putt around. Just something it does but has never been an issue. Motor still runs great. Try to service it once a year and replace water impeller. Have had it alarm on temp but that was when I figured out it’s best to service and change impeller every year.
Posted on 4/27/23 at 8:55 pm to John_V
quote:
Anyone else's Mercury outboard produce a visible amount of white steam from the exhaust at idle after warming up?
water pump needs to be replaced. Trust me, I learned the hard way
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