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Something bugging me.


alexander foti
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Hi there.

I have somthething bugging me that I cannot figure out.

When I turn my key my bike makes a buzzing noise (ybr 125 2008). I know this is normal but what exactly is it?

I have searched and forums and google but have not found anything!

Thanks in advance.

shouldn't have any buzzing that's why. I suspect a sticking starter solenoid or a poor electrical connection somewhere. Use contact spray on all your connections.

unless of course its the sound of your engine :)

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shouldn't have any buzzing that's why. I suspect a sticking starter solenoid or a poor electrical connection somewhere. Use contact spray on all your connections.

unless of course its the sound of your engine :)

no its definantly meant to be there, doesnt show up when starting only when I turn the key and before I push the starter button. sounds like maybe a powervalve or fuel pump?

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A forum full of knowledgeable people and no ideas?

Alex, thats coz the knowlegeable people havent had YBR125's!!

Does it have a power valve, that would do it, also my Bandit does it but its summat to do with the speedo and rev counter, they do a dance when you turn the key on, dont know why but you can hear that too, only it doesnt annoy me like yours does you :P

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Alex, thats coz the knowlegeable people havent had YBR125's!!

Does it have a power valve, that would do it, also my Bandit does it but its summat to do with the speedo and rev counter, they do a dance when you turn the key on, dont know why but you can hear that too, only it doesnt annoy me like yours does you :P

Fair enough. I do believe its the power valve although service manuals are impossible to find so I will never find out .

Thanks for the help!

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The 2008 model is fuel injected isn't it?

It should sound like that 'cause of the fuel pump that rises the fuel presure.

Most of all FI engines sound like a litle buzzer for 1-2 seconds.

About the manual.

I didn't forget it. It's a big pdf file and ia cannot yahoo it to you. I'll find another to send it.

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Both my and my other half's Dragstars do it.

Not all the time, but it's very frequent.

I think it's something to do with the Regulator/Rectifier unit.

That's where it sounds like it's coming from, anyway.

The sound is like the rapid clicking from one of those little Pull & Go toy cars.

And I haven't a fecking clue what it is!!!

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Definately the fuel pump, all fuel injection systems (inc cars) prime/pressurise the fuel system as soon as you swith on the ignition, so the pump activates for a couple of seconds.

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Definately the fuel pump, all fuel injection systems (inc cars) prime/pressurise the fuel system as soon as you swith on the ignition, so the pump activates for a couple of seconds.

My bike isn't fuel injected.

What might it be?

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What does a power valve look like and where is it?

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Hmmm..... Seems to be a race-bike thing.

Can't find mention of one in any of the Dragstar manuals...

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