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#1
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I've got an old Evinrude 6 hp outboard which is in like new condition.
It has probably had very few hours of running time on it. I had no problem starting it up even after it had been in storage for possibly fifteen years! But yesterday I noticed that there wasn't very much cooling water coming out. When I first started the motor there was a more or less steady stream of water. But it was actually just dripping out yesterday afternoon. I continued to run the engine at a moderate speed (I was out on the lake when I first noticed the problem, and there was no wind) and it performed normally and didn't seem to be overheated when I got into the slip. Anyone have any suggestions? I don't want to ruin that little motor! |
#2
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Just had an almost identical experience. I did replace the impeller ($13)
and it did not solve the problem. Replaced the entire pump ($43), and the engine now works fine. BS "Bob Scott" wrote in message m... I've got an old Evinrude 6 hp outboard which is in like new condition. It has probably had very few hours of running time on it. I had no problem starting it up even after it had been in storage for possibly fifteen years! But yesterday I noticed that there wasn't very much cooling water coming out. When I first started the motor there was a more or less steady stream of water. But it was actually just dripping out yesterday afternoon. I continued to run the engine at a moderate speed (I was out on the lake when I first noticed the problem, and there was no wind) and it performed normally and didn't seem to be overheated when I got into the slip. Anyone have any suggestions? I don't want to ruin that little motor! |
#3
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#4
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#6
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Thanks to Mys Terry, Dave Doe, and Robert and Karen Swarts.
Local advice is that there's probably nothing wrong with the impeller. I was told that the water coming out the back of the engine has never actually circulated through the engine and that its hose connection is frequently stopped up by pieces of "chit". My expert informant said that you could completely stop the flow of water through what he called the "pee hole" and that it wouldn't affect the flow through the engine. Is this what is meant by the "indicator"? How hard is it to inspect the impeller? Mys Terry wrote: On Thu, 6 Apr 2006 14:14:22 +1200, Dave Doe wrote: In article , says... I've got an old Evinrude 6 hp outboard which is in like new condition. It has probably had very few hours of running time on it. I had no problem starting it up even after it had been in storage for possibly fifteen years! But yesterday I noticed that there wasn't very much cooling water coming out. When I first started the motor there was a more or less steady stream of water. But it was actually just dripping out yesterday afternoon. I continued to run the engine at a moderate speed (I was out on the lake when I first noticed the problem, and there was no wind) and it performed normally and didn't seem to be overheated when I got into the slip. Anyone have any suggestions? I don't want to ruin that little motor! Before you replace the impellor - what about pokin a bit of wire up the 'indicator' - might just be a bit of chit stuck in there. After that many years, the impeller should be replaced even if it appears to be working perfectly. If there is a "bit of chit" stuck anywhere it is probably a piece of the impeller. |
#7
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#8
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I agree with Terry/Doe in general, but at least in my engine, the water that
exits the pee hole come from the passage down the center of the head, and should not be blocked under any circumstances. BS "Bob Scott" wrote in message news ![]() Thanks to Mys Terry, Dave Doe, and Robert and Karen Swarts. Local advice is that there's probably nothing wrong with the impeller. I was told that the water coming out the back of the engine has never actually circulated through the engine and that its hose connection is frequently stopped up by pieces of "chit". My expert informant said that you could completely stop the flow of water through what he called the "pee hole" and that it wouldn't affect the flow through the engine. Is this what is meant by the "indicator"? How hard is it to inspect the impeller? Mys Terry wrote: On Thu, 6 Apr 2006 14:14:22 +1200, Dave Doe wrote: In article , says... I've got an old Evinrude 6 hp outboard which is in like new condition. It has probably had very few hours of running time on it. I had no problem starting it up even after it had been in storage for possibly fifteen years! But yesterday I noticed that there wasn't very much cooling water coming out. When I first started the motor there was a more or less steady stream of water. But it was actually just dripping out yesterday afternoon. I continued to run the engine at a moderate speed (I was out on the lake when I first noticed the problem, and there was no wind) and it performed normally and didn't seem to be overheated when I got into the slip. Anyone have any suggestions? I don't want to ruin that little motor! Before you replace the impellor - what about pokin a bit of wire up the 'indicator' - might just be a bit of chit stuck in there. After that many years, the impeller should be replaced even if it appears to be working perfectly. If there is a "bit of chit" stuck anywhere it is probably a piece of the impeller. |
#9
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I'll third, forth or fifth changing the impeller. They dry and harden over
time and will crack and break up. The pump is located in the lower unit, I think there are 2 screws to get this loose, as well as the shift rod connector under the carb. Best to get a book, but instructions might be available online. If you want to check if the motor is running hot, you should just be able to hold your hand on the plate on the side, maybe called the water jacket cover? What I mean is it will be uncomfortably warm, but not burn. MMC "Robert or Karen Swarts" wrote in message ... You can also remove the thermostat cover from the head of the engine and pore water back thru the engine to make sure the channel from the pump to the power head is open. BS "Dave Doe" wrote in message . nz... In article , says... I've got an old Evinrude 6 hp outboard which is in like new condition. It has probably had very few hours of running time on it. I had no problem starting it up even after it had been in storage for possibly fifteen years! But yesterday I noticed that there wasn't very much cooling water coming out. When I first started the motor there was a more or less steady stream of water. But it was actually just dripping out yesterday afternoon. I continued to run the engine at a moderate speed (I was out on the lake when I first noticed the problem, and there was no wind) and it performed normally and didn't seem to be overheated when I got into the slip. Anyone have any suggestions? I don't want to ruin that little motor! Before you replace the impellor - what about pokin a bit of wire up the 'indicator' - might just be a bit of chit stuck in there. -- Duncan |
#10
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If it's dripping out, then you will shorten the length of the engine
considerably. Especially run at high speed. As others have said, poke a copper wire, or piece of weedeater line up the hole FIRST. The rubber on the impeller may be dodgy, but it's unlikely to be the first cause. I've pulled out almost petrified impellers from OBs that seemed to pump water fine (except at really low revs). DIY Water pump replacement should cost you around USD$25 and about 20 minutes. As also others have said, it's cheap insurance - but don't expect it to solve the problem. I also pulled the cooling chambers on an outboard with "low hours" to find it had a straw's space of circulation around the head... "Bob Scott" wrote in message m... I've got an old Evinrude 6 hp outboard which is in like new condition. It has probably had very few hours of running time on it. I had no problem starting it up even after it had been in storage for possibly fifteen years! But yesterday I noticed that there wasn't very much cooling water coming out. When I first started the motor there was a more or less steady stream of water. But it was actually just dripping out yesterday afternoon. I continued to run the engine at a moderate speed (I was out on the lake when I first noticed the problem, and there was no wind) and it performed normally and didn't seem to be overheated when I got into the slip. Anyone have any suggestions? I don't want to ruin that little motor! |
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