YBR Engine Clicking/Ticking

[Dan]

So on the way to work yesterday I noticed a new noise coming from the engine. It sounds to me like a fast clicking or ticking (not plinking or tapping) which speeds up and slows down when the bike does. I can also hear it when idling.

It's not massively loud but it's there in the background and I’m fairly sure it gets louder as the engine gets hotter. There is no noticeable drop in the bikes performance.

After inspection I’m fairly sure it's coming from the lower right hand side of the engine but it's hard to pinpoint even with the old screwdriver as stethoscope method.

I'm thinking cam chain tension but i don't know where it is or how to check it.

What are your thoughts?

[Tango]

Could be camchain adjustment.....or valve clearances......Haynes manual will be your friend for checking both of them.....

[Tiggie]

have a look at cam chain adjuster first as thats the easiest to do

http://ybrclub.com/_files/books/yamaha/YBR125ED-3D9-E0.pdf

[eastanglianbiker]

check the oil level in the engine as well make sure its at maximum

[Dan]

Cheers guys. I checked the oil and its spot on so tomorrow I'll have a go at the tensioner.I just hope its nothing serious but its only done 11k miles and has a FSH so I think that would be very bad luck. That service manual will be very handy!

[Dan]

So I had a look at the tensioner and its absolutely fine, looks and works as good as new as far as I can tell. I spent ages going around checking for any looseness in the bolts, panels, wiring etc and they were fine to.

I'm starting to think its coming from the exhaust now, can exhausts make a clicking noise if they have a leak?

[Tango]

Could be a slight leak on the exhaust somewhere.....check around the header where it joins the cylinder head....