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The TTR250 FAQ web pages -> TTR250 -> Repairs and maintenance -> Carb leak
Post Info TOPIC: Carb leak
TTRHead


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Carb leak
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hello everyone,

I have a 2004 TTR that I am tinkering around with at the moment that smells of petrol, closer inspection has revealed the carb is getting wet around the diaphragm cover area, the Bike runs and rides fine, anyone else has this issue



-- Edited by TTRHead on Monday 22nd of July 2019 02:54:53 PM

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ttr steve


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loads of us and it is normally the diaphragm that is at fault, though it may be just the rubber O rings if you are very lucky.



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totallyttrs.com

 
TTRHead


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Thanks Steve, seems a bit of a weak point that. I am sure I have had one before that did the same thing

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TTRHead


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Changed the diaphragm and o rings. No more leak. Diaphragm had holes in



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TbirdX


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Mines doing this I think. Is that a carb out job?

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mossproof


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You need to undo 2 small screws at the bottom of the carb. Got a 90 degree screwdriver or tiny ratchet? Also it is very fiddly to line up the springs and o rings to put back together. Removing the carb will be easier in the long run.
Check this thread for extra comments, to save me typing it all again
ttr250.activeboard.com/t68470242/leaky-diaphragm-cover/

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TbirdX


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I'll whip it out, doesn't seem too bad. Cheers all.

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