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Posted: 4/15/2022 3:03:57 PM EDT
Last weekend I went to summerize and take out my pontoon with a 140 Zuk.

It lives on a lift, and when i went to start it there was no water shooting out of the pee hole. Pulled that to make sure it didn't have trash in it, and it was clean.

Then pulled the thermostat and and it didnt look like any water was circulating. The impeller is 3 years old, and i know it need to be replaced, but was running 100% last October.

Any ideas of what it might be? I wouldnt think the impeller would just die. Poured marine anti-freeze through the washout valve in October.
Link Posted: 4/15/2022 3:04:55 PM EDT
[Last Edit: fxntime] [#1]
Clean the mud dauber nest out of the pee hole. Run a soft copper wire up it as far as you can. I always put a piece of tape over any hole that a dauber might find and use as a nest in my equipment in the off season.
Link Posted: 4/15/2022 3:31:40 PM EDT
[#2]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By fxntime:
Clean the mud dauber nest out of the pee hole. Run a soft copper wire up it as far as you can. I always put a piece of tape over any hole that a dauber might find and use as a nest in my equipment in the off season.
View Quote


That was my first thought too, but i pulled the piece completely off and it was as clean as can be. No trash/mud/etc.
Link Posted: 4/15/2022 3:33:37 PM EDT
[Last Edit: fxntime] [#3]
Did you put ''ears'' on it when you checked for flow? Doesn't that unit have a thermostat?
Link Posted: 4/15/2022 3:35:48 PM EDT
[#4]
Replace the impeller, reseal the unit.  


Don't run it.  You will suck a piece of the impeller or whatever blockage, into the engine block and then you have a disaster...as you now have to start disassembling the block to find the thing you sucked up into it.  


Link Posted: 4/15/2022 3:57:58 PM EDT
[#5]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By fxntime:
Did you put ''ears'' on it when you checked for flow? Doesn't that unit have a thermostat?
View Quote


No ears. I lowered it into the lake.

It does have a thermostat. I pulled it and ran for a short bit w/o the thermostat and it didnt appear any water was circulating.
Link Posted: 4/15/2022 3:58:45 PM EDT
[#6]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By FedDC:
Replace the impeller, reseal the unit.  


Don't run it.  You will suck a piece of the impeller or whatever blockage, into the engine block and then you have a disaster...as you now have to start disassembling the block to find the thing you sucked up into it.  


View Quote


I ran it for 2-3 min total already...
Link Posted: 4/15/2022 4:00:08 PM EDT
[Last Edit: KB7DX] [#7]
Link Posted: 4/15/2022 4:01:31 PM EDT
[#8]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By far_right:


I ran it for 2-3 min total already...
View Quote


You'll be fine. Replace the impeller before you attempt to run it again.
Link Posted: 4/15/2022 4:22:05 PM EDT
[#9]
Replaced the original impeller on my dad's boat last summer.

It's a 97 model. Unless you run salt and or shallow water they last much longer than people think. His was still limber and in good shape.
Link Posted: 4/15/2022 9:20:26 PM EDT
[#10]
Link Posted: 4/15/2022 11:15:15 PM EDT
[#11]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By KB7DX:

Depends on the impeller style. If it has short stumpy blades

it needs replaced each year. If it has long skinny blades like a

starfish, it will go 3ish years if you don't run it dry or pump

a bunch of sand/mud through it.

You guys running impellers longer are on borrowed time.
View Quote
I have at least 4 years on my impeller.
I have gone through gravel and glacial silt.
Will change it this year.

OP
I have had times where my 140 gets a bubble in the engine and not pump.
Takes a bit to get it going.
Link Posted: 4/16/2022 5:35:20 PM EDT
[#12]
Hooked a waterhose from the house to the flushing port. Water was circulating fine, but when i started it, nothing again. I guess this confirms impeller. (Weve had 3” of rain since 6am so forgive my trashy water)


Attachment Attached File
Link Posted: 4/17/2022 4:09:35 AM EDT
[Last Edit: akcaribouhunter] [#13]
Originally Posted By far_right:
Hooked a waterhose from the house to the flushing port. Water was circulating fine, but when i started it, nothing again. I guess this confirms impeller. (Weve had 3" of rain since 6am so forgive my trashy water)


https://www.ar15.com/media/mediaFiles/89054/D6795758-4FAF-4B56-9026-2A336161383C_jpe-2351417.JPGquote]

Put the lower unit in a barrel full of water then try again.

In that picture it shows it peeing.
Link Posted: 4/17/2022 10:58:57 AM EDT
[#14]
Link Posted: 4/17/2022 11:19:05 AM EDT
[#15]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By KB7DX:
OP doesn't say if the engine is running. I'm going to assume

it isn't and it's peeing because of the water pressure from the hose.

View Quote


Correct.
Link Posted: 4/17/2022 11:32:03 AM EDT
[#16]
Just check the damned impeller.

It's a boat, .....

Link Posted: 4/17/2022 11:48:11 AM EDT
[Last Edit: skich] [#17]
I thought I had a problem with my 140 and 9.9. Neither were peeing at startup after sitting all winter. I took them to the shop where no problems were found. Try revving it up a bit.
Link Posted: 4/17/2022 12:56:29 PM EDT
[#18]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Iamhere:
Just check the damned impeller.

It's a boat, .....

View Quote


Im going to, i guess.  
Link Posted: 4/20/2022 3:17:32 PM EDT
[#19]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By far_right:


Im going to, i guess.  
View Quote
First get a big trashcan and fill it with water. Run it to see if it pees.
Link Posted: 4/20/2022 3:56:48 PM EDT
[#20]
Link Posted: 4/20/2022 4:00:49 PM EDT
[#21]
Originally Posted By far_right:
Last weekend I went to summerize and take out my pontoon with a 140 Zuk.

It lives on a lift, and when i went to start it there was no water shooting out of the pee hole. Pulled that to make sure it didn't have trash in it, and it was clean.

Then pulled the thermostat and and it didnt look like any water was circulating. The impeller is 3 years old, and i know it need to be replaced, but was running 100% last October.

Any ideas of what it might be? I wouldnt think the impeller would just die. Poured marine anti-freeze through the washout valve in October.

View Quote
Dangar Stu to the rescue

No water from outboard tell-tale


Link Posted: 4/20/2022 5:31:07 PM EDT
[#22]
Link Posted: 4/23/2022 7:28:08 PM EDT
[#23]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By akcaribouhunter:
I have at least 4 years on my impeller.
I have gone through gravel and glacial silt.
Will change it this year.

OP
I have had times where my 140 gets a bubble in the engine and not pump.
Takes a bit to get it going.
View Quote
I wanted twin Zuk 140s for my Olympic but we are getting 200s. I didn't want the extra weight or fuel costs but at least she will plane on one now.
Link Posted: 4/28/2022 12:35:45 AM EDT
[#24]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By FedDC:
Replace the impeller, reseal the unit.  


Don't run it.  You will suck a piece of the impeller or whatever blockage, into the engine block and then you have a disaster...as you now have to start disassembling the block to find the thing you sucked up into it.  


View Quote


This.

Not a big boat motor guy myself, but years ago, my dads 50 quit peeing after winter storage. Rubber impeller was in several fragments inside the pump. It was old and we figured water in the pump froze and busted the impeller blades up.
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