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The TTR250 FAQ web pages -> TTR250 -> Repairs and maintenance -> Strange engine sound
Post Info TOPIC: Strange engine sound
NomadaFirefox


Newbie

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Strange engine sound
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Hi. Lately I hear a strange sound in the engine from my TTR250, it is a model from 2005 with over 30000km. One friend (a mechanic) said how it was probable the timing chain but I am not sure. I will try later put the sound here. Mostly I hear it more when the engine starts and it is not specially hot.

If the timing chain is loosing tension, what can I do? or what would you do in a TTR?



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TTRfan


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It is quite easy to check the timing chain. If this is what you think is causing the noise best to check it first. 

See https://ttr250.activeboard.com/t47193200/timing-chain/ and scroll down to my post - about a quarter way down the thread.

Brian



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Ttboof


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Timing chain is easy to check and fix

 

Also the case saver at the front sprocket can make a racket but only moving 

 

Same goes for the top back engine mount if loose it can sound like a terminal failure untill tightened 



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