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Old 01-13-2013, 07:55 AM   #1
buzybraza OP
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Badly assembled at factory or failure?

So my 950 SE developed a coolant leak after 7k miles. This is what I found :
What do you guys think? Badly assembled at the factory or something else?
I think it is a very obvious assembly mistake by whoever did it at the factory. I am amazed it took 7k miles for the thing to actually start leaking!
It was impossible to see the problem because of the location of the hose. I was only able to see the problem after disassembly.

This is me inside the v of the motor pointing at the back of the forward cylinder:
defectivehose1_zpsec56462c photo defectivehose1_zpsec56462c.jpg
and here is the "smoking gun"

 photo defectivehose3_zps65327243.jpg

 photo defectivehose2_zpse8d076c0.jpg

buzybraza screwed with this post 01-31-2013 at 08:23 AM
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Old 01-13-2013, 11:51 AM   #2
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Badly installed.
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Old 01-13-2013, 02:06 PM   #3
SauceSquatch
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Quote:
Originally Posted by NKL View Post
Badly installed.
+1

IMO bad install, but I'm no expert.
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Old 12-16-2013, 11:33 AM   #4
buzybraza OP
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samco

So I ended up with samco silicone hoses and I used the clamps that came with the kit. Pretty cool stuff. I like it!
I am running evans racing coolant in it too. Never had overheating problems but I like the idea of running the cooling system with less pressure than it was designed for....
samco3 photo hosesamco3_zps9f77542d.jpg

samco2 photo hosesamco2_zps21b10ab1.jpg

samco1 photo hosesamco1_zpsd03495bb.jpg

buzybraza screwed with this post 12-22-2013 at 11:09 PM
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Old 12-16-2013, 03:30 PM   #5
dogsslober
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hose's

Those look real good
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Old 12-16-2013, 03:44 PM   #6
GrenDesb
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Had something similar on my previous bike.

Not a hose but a small diaphragm in one of the carbs. It's the fuel shut off valve that prevent gas to be sucked in by the engine vaccum on decel.

Bike was burping and popping on decel and even a little on steady no load throttle cruising on the highway.



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Old 12-16-2013, 06:35 PM   #7
ICERIDER
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Very nice hoses thanks. Now on my list. Fit and forget for around £100.
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Old 12-16-2013, 09:44 PM   #8
ericGSsti
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I take it the Evans your talkin about is the waterless coolent. How is it going for you. I am toying with the idea myself for my 950 adventure.
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Old 12-17-2013, 04:43 AM   #9
smitty141
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I had a coolant hose at the plastic "Y" on the left side start leaking at 8000 miles. I removed the factory clamp and added a worm gear style replacement. I like the look of your hose. And will change mine sometime over the winter. Even after replacing the clamp, the hose felt squishy.

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Old 12-17-2013, 10:15 AM   #10
buzybraza OP
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evans waterless coolant

Quote:
Originally Posted by ericGSsti View Post
I take it the Evans your talkin about is the waterless coolent. How is it going for you. I am toying with the idea myself for my 950 adventure.
It is going well. I run evans "motorsport coolant" both on my 2007 525 EXC and my 2008 950SE. I don't think I will ever go back to using regular coolants with water...

In my opinion there are other benefits as well as down sides, but the fact that evans runs with a lot less pressure is mainly what sold me... I am not 100% sure about these numbers, but from what I can remember the bikes will run with about 20 psi in the cooling system with regular coolants against about 5 psi with evans waterless....
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Old 12-17-2013, 05:31 PM   #11
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Quote:
Originally Posted by GrenDesb View Post
Had something similar on my previous bike.

Not a hose but a small diaphragm in one of the carbs. It's the fuel shut off valve that prevent gas to be sucked in by the engine vaccum on decel.

Bike was burping and popping on decel and even a little on steady no load throttle cruising on the highway.
Air cut valve on the 950. There's a jet under the velocity stacks, too.
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Old 12-17-2013, 10:29 PM   #12
Sumi
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Quote:
Originally Posted by GrenDesb View Post
Had something similar on my previous bike.

Not a hose but a small diaphragm in one of the carbs. It's the fuel shut off valve that prevent gas to be sucked in by the engine vaccum on decel.

Bike was burping and popping on decel and even a little on steady no load throttle cruising on the highway.



I have the same issue on my bike.. Is it possible to only buy this diaphragm, or do I need the complete rebuild kit?
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