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01-03-2020 02:17 PM
clawman
Quote:
Originally Posted by TomP. View Post
I could see how maybe this could happen as duck hunting your running shallow muddy, sandy, weedy areas and the coolling system gets partially plugged not allowing the motor to drain completely.
If your system is plugged with mud, sand, & weeds, the impeller and housing are shot anyway... go ahead and let it run.
01-03-2020 02:04 PM
TomP.
Quote:
Originally Posted by Kevin23 View Post
Ive seen plenty of frozen water pumps and lines, duck hunting at below 0 temps does that when you do not blow out your motor. Never seen one freeze after clearing it at the ramp with a quick start. Just because youve never experienced it doesnt mean it is not a legitimate concern.

That all metal housing freezes solid before you make your second turn out of the parking lot when its 0 to -10 out, long before your motor self drains. The idea is to blow out most of the water, of course you arent going to get all of it.

Next you'll tell us you winterized your boat already.

I could see how maybe this could happen as duck hunting your running shallow muddy, sandy, weedy areas and the coolling system gets partially plugged not allowing the motor to drain completely.
01-01-2020 08:51 PM
2catch1 maybe depends on the motor. I don't think any of them have a one way check valve or anything between the lower unit intake and pump housing though. I would like to believe tilting it down is enough to let gravity drain the water out of the water pump housing and tube into the engine...unless this check valve does exist? like the tooth fairy and santa.
12-22-2019 05:15 PM
Wrktfsh Whatever
12-22-2019 04:20 PM
hooli004 Nope and any mechanic that tells you otherwise needs more training.
12-22-2019 12:48 PM
Wrktfsh Yam f100 . Tech told me to tilt it, bump it over. Tilt down bump,again. Prior to doing this I had water in the pump that froze and slightly dislodged the shaft seals and cause h2o in the lower end. No problem since adopting the new practice
12-22-2019 09:17 AM
clawman
Quote:
Originally Posted by kswalleyer View Post
never done anything but gravity drained..fish all winter in below freezing temps.

Why wouldn't the manufacturer have this "dry run" process in their owners manual and/or designed into their engines somehow if it was important?

My guess is either way if fine...gravity drain or pop it a few seconds, whatever. ford chevy thing..but what do I know, I'm NOT a mechanic.
12-22-2019 06:09 AM
kswalleyer never done anything but gravity drained..fish all winter in below freezing temps.

Why wouldn't the manufacturer have this "dry run" process in their owners manual and/or designed into their engines somehow if it was important?

My guess is either way if fine...gravity drain or pop it a few seconds, whatever. ford chevy thing..but what do I know, I'm NOT a mechanic.
12-12-2019 10:49 PM
B-man
Quote:
Originally Posted by Kevin23 View Post
Ive seen plenty of frozen water pumps and lines, duck hunting at below 0 temps does that when you do not blow out your motor. Never seen one freeze after clearing it at the ramp with a quick start. Just because youve never experienced it doesnt mean it is not a legitimate concern.

That all metal housing freezes solid before you make your second turn out of the parking lot when its 0 to -10 out, long before your motor self drains. The idea is to blow out most of the water, of course you arent going to get all of it.

Next you'll tell us you winterized your boat already.
They're never "winterized", ready to go at a moment's notice I get out most months of the year, sometimes I skip January or February in a bad MN winter.

Wanted to get out this weekend on Superior, but I'm not diehard enough not to go open water fishing in single and negative digits lol You can have that. I like to at least see daytime highs in the 20's myself. If it's colder than that I have better things to do

You've had a water pump completely freeze (locked the motor up) even after tilting down right away at the ramp? I guess I could see that happening if it's -10.....but 99.9999% of people are not taking their boat out in that. That's nuts.

I've gravity drained my outboards with lows in the single digits and teens overnight and never had a problem the next day. Maybe I'm just lucky.

Like I said, I've had a tell-tail freeze, but never locked a water pump up.
12-12-2019 08:25 PM
Kevin23 Ive seen plenty of frozen water pumps and lines, duck hunting at below 0 temps does that when you do not blow out your motor. Never seen one freeze after clearing it at the ramp with a quick start. Just because youve never experienced it doesnt mean it is not a legitimate concern.

That all metal housing freezes solid before you make your second turn out of the parking lot when its 0 to -10 out, long before your motor self drains. The idea is to blow out most of the water, of course you arent going to get all of it.

Next you'll tell us you winterized your boat already.
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