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The TTR250 FAQ web pages -> TTR250 -> Repairs and maintenance -> What the hell is this thing sticking out of my engine?!
Post Info TOPIC: What the hell is this thing sticking out of my engine?!
Richamc01


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What the hell is this thing sticking out of my engine?!
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I have a 99 TTR250. I noticed a semi-wet spot, nothing major, on my engine black and began to investigate. I noticed this weird part sticking out of the engine and I assumed it was something stock, but after further research and reading through the service manual, there is no mention of this. What could this be?? it appears to be held in place with some kind of glue/adhesive and the end of the nipple is filled with silicone. It looks like this was installed by someone and probably served a purpose at some point. Any ideas?? I also have no idea why the pictures uploaded sideways....

1.jpg

 

2.jpg

3.jpg

4.jpg

5.jpg

 



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PlumasDude


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Crankcase breather? Cigarette lighter?

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Richamc01


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PlumasDude wrote:

Crankcase breather? Cigarette lighter?

 I thought it might be a breather as well but I could find no mention of it anywhere. I just confirmed that there is a very slow oil leak coming from where this is glued in place. Can someone post a picture of this part of the engine from their bike? 



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mossproof


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It's not standard! Previous owner must have fitted it as a breather into the timing chain gallery. Question is why?

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ttboof


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Not stock  could it have been a return for an oil cooler easy place to fit it prob not effective though 

If there was a reason to pull the engine apart it could be removed and the hole filled in maybe 



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PlumasDude


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Why indeed, thats a drill and weld job, crazy.  Home made bong?  It is Colorado.



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ttr steve


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Thats mental!, never seen anything like it and not sure why someone would do thatnonono



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Richamc01


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Could someone post a picture showing this section of the engine on their bike? I'm sure there's nothing there but I at least wanted to know what it's supposed to look like.

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Cubber


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LizDSCF4516.JPG

 

The mud is optional. biggrin

Martyn



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East Budleigh. Devon
TTRfan


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Another photo - sorry but no mud with this one biggrin

Engine 1 4.JPG



-- Edited by TTRfan on Thursday 29th of August 2019 07:05:13 PM

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mossproof


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Wrong way round Brian. That's the back face!

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TTRfan


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mossproof wrote:

Wrong way round Brian. That's the back face!

 disbeliefdisbelief  

Now sorted!



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robs


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It's where you connect the NOS!

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