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Old 20-05-2013, 21:45   #1
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Cooling water in Evinrude Yachtwin 4 Evinrude

This seems to be a different animal. I'm used to a stream coming from the back of the engine that indicates the impeller in the water pump is working.

This thing doesn't seem to have the little puka (hole) so where do you look to see if the cooling water is circulating?

Trying to repair it for club use but it is a strange little engine. 1989 model.

thanks. John
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Old 22-05-2013, 12:36   #2
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Re: Cooling water in Evinrude Yachtwin 4 Evinrude

Am I the only guy in CF that's working on one of these?

I found out that there is a rectangular plate on the the back of the shaft housing where cooling water is supposed to come out. It sprays out but not very much. Is that what its supposed to do?
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Old 22-05-2013, 12:43   #3
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From memory that plate on the back is just an exh relief for low speed operation. Coincidentally a little water comes out. There is no other good indicator of water flow.
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Old 22-05-2013, 12:49   #4
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Re: Cooling water in Evinrude Yachtwin 4 Evinrude

Thanks Sailmonkey for that information. I took that plate off yesterday and used a bit of seizing wire to probe and it was open to the inside of the housing so you must be correct.

All my other outboards have had a stream come out the back which indicated cooling water flow. Even the old British Seagull. This one I guess you just have to have faith that it is being cooled? Strange.

Did your engine have a throttle on the top of the housing? That, to me is a bit different too.

kind regards,
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Old 22-05-2013, 14:28   #5
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Yep, I had the slide throttle on top. I got used to that and had fits getting used to a "normal" twist grip outboard.
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Old 22-05-2013, 23:01   #6
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Re: Cooling water in Evinrude Yachtwin 4 Evinrude

Thanks Sailmonkey.

The plastic sliding throttle handle has broken so is hard to operate. Really have to grip it hard with the tips or your fingers. I'm trying to think of a better way to rig it. Any ideas?

I can't find anyone that would sell a replacement part.

Thanks for your response I thought I was the only one out there with any experience with this beasty.

kind regards,
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