Hi all, I just changed the impeller on my 1990 johnson outboard to get better water flow and I'm seeing water only trickle out of the hose that comes out of the engine, however there's a decent amount of water coming out of the muffler, is this normal? Thanks, -solman
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sailormannj
Try the iboats.com forum
Try the Johnson/Evisrude forum on iboats.com. They have an area for repair questions. Very helpful.
Try the Johnson/Evisrude forum on iboats.com. They have an area for repair questions. Very helpful.
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SolMan
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Brian
It Could Be
okay. I had this happen to me years back and I was afraid the engine was overheating. I also had plenty of water coming out of exhaust. I called a mechanic and he said that the upper hose was basically your visual indicater. What he told me to do was blow the hose out with a compresser. Often times they get some sea weed or other things in them from the water. This took care of it for me. I had and still have a nice water flow! Hope this will also work for you! Cheers, Brian
okay. I had this happen to me years back and I was afraid the engine was overheating. I also had plenty of water coming out of exhaust. I called a mechanic and he said that the upper hose was basically your visual indicater. What he told me to do was blow the hose out with a compresser. Often times they get some sea weed or other things in them from the water. This took care of it for me. I had and still have a nice water flow! Hope this will also work for you! Cheers, Brian
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SolMan
Thanks Brian
Yeah, That's what someone else just told me on iboats.com. I hope it's just that easy! I'll give it a shot tomorrow. Thanks, SolMan
Yeah, That's what someone else just told me on iboats.com. I hope it's just that easy! I'll give it a shot tomorrow. Thanks, SolMan
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Phil
Cooling Johnson 8hp
Two things may affect the water amount comming out of the hose. 1: the niple/hose is blocked(as mentined above) 2: The thermostat does not close and there by lets the water just pass through. Be sure you have the tell tale working. When the thermostat is closed the water does not pass through the engine but throgh the tell tale. This is not as many belives an indicator, but the water is necesseary to cool off the exhaust cover and pistons!
Two things may affect the water amount comming out of the hose. 1: the niple/hose is blocked(as mentined above) 2: The thermostat does not close and there by lets the water just pass through. Be sure you have the tell tale working. When the thermostat is closed the water does not pass through the engine but throgh the tell tale. This is not as many belives an indicator, but the water is necesseary to cool off the exhaust cover and pistons!
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SolMan
Tell Tale - Thermostat - haffiman37
The nipple wasn't plugged up. I still need to check the hose itself, but the nipple was clear.. Coud the thermostat have gone bad if the engine had over heated with no water flow? And if so, could it be stuck in a bad position, not allowing the water to flow properly? Should I have changed the thermostat when I changed the impeller? Is there somekind of maintenance i need to do with the thermostat other than replacing it? Thanks, -SolMan
The nipple wasn't plugged up. I still need to check the hose itself, but the nipple was clear.. Coud the thermostat have gone bad if the engine had over heated with no water flow? And if so, could it be stuck in a bad position, not allowing the water to flow properly? Should I have changed the thermostat when I changed the impeller? Is there somekind of maintenance i need to do with the thermostat other than replacing it? Thanks, -SolMan
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Pops
quick and easy tool
For some reason, the little hole on my outboard and my dock buddy's clog frequently. It was a constant hassle trying to find something to clean it with until my buddy came up with a great idea. He attached ten inches of weed eater line to each of our key chains. It works great, better than wire, and is always available as it's permanently attached to the key chain (If dropped while cleaning the hole it floats as of course I have one of the floaty things on the key already).
For some reason, the little hole on my outboard and my dock buddy's clog frequently. It was a constant hassle trying to find something to clean it with until my buddy came up with a great idea. He attached ten inches of weed eater line to each of our key chains. It works great, better than wire, and is always available as it's permanently attached to the key chain (If dropped while cleaning the hole it floats as of course I have one of the floaty things on the key already).
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