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Old 04 May 2010, 02:54   #1
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Suzuki DF15 Cooling question.

Hello All,

Got a Suzuki DF15 15HP $stroke from 99. It runs and starts great (however im not sure if it gives his full power). Im a little worried about the cooling. It got a stron tell-tale. But when running in a large bucket, I noticed that much of the coolwater leaves at the lower section, which i marked red on the picture below. I see 2 holes there verticaly in line. But is this the normal place for the water to leave?



Thanks for looking!
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Old 04 May 2010, 06:01   #2
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Got a little video as well. Not very good quality, shot it with a photocamera on the day of purchase.

At about 30 seconds I zoom in on the outlet at the lower engine mounting rubber.



(I know its not a rib, but do hope you would help me out)
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Old 04 May 2010, 08:50   #3
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I don't know much about the smaller engines, but normally the majority of the cooling water comes out via the prop hub mixed with the exhaust and one or two vents in the leg in the vicinity. I don't think it should be coming out from the back of the leg where you hace circled. Perhaps there is a fault with the exhaust/coolant pipe inside the lower portion of the engine.
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Old 05 May 2010, 03:28   #4
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I think i need a flush extension, so I dont got the need to run it in a bucket. Than its more easy to see where the water comes out.

I used the boat about 6 hour after purchase and dont got the idea its getting to hot. Only the part of the tale thats above the water gets a little white of the water evapored on it. but think this is a normal thing?
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Old 07 May 2010, 06:16   #5
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on this image you can see the holes where the coolwater comes out. I have drawn a red cirkel arround it. The holes on the right are for the motormount.

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Old 07 May 2010, 14:32   #6
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I think it is normal - I'm pretty sure water comes out of my DF in the same place. Next time I run it up I will double check, and try and take a vid.

Cheers

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Old 07 May 2010, 16:09   #7
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Chris, i would appreciate that!

thanks in advance.
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Old 07 May 2010, 16:25   #8
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Its ok ,dont worry .most comes out with the exhaust through the prop hub.
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Old 31 May 2010, 06:48   #9
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chris123, did you already check your water outlet?
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Old 31 May 2010, 06:53   #10
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Quote:
Originally Posted by Glaerox View Post
chris123, did you already check your water outlet?
Sorry, just got back from some time away. I need to flush my O/B on muffs later today - I'll try and take some pics then.

Cheers

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