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aprilia rs4 125cc strange sound

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dannyh1992
L Plate Warrior



Joined: 06 Jun 2016
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PostPosted: 23:55 - 06 Jun 2016    Post subject: aprilia rs4 125cc strange sound Reply with quote
hey people im new to this forum,

I was wondering is anyone could help we with my problem. I have just bought a 2012 aprilia rs4 125. The bike has done 3700 miles from new

The trouble is that whenever I rev the engine I can hear a strange sound coming from it. The strange sound are more audible when closing the throttle after revving.
i have upload a video on youtube to show you

https://www.youtube.com/watch?v=o0yC2GRZfrQ
https://www.youtube.com/watch?v=v0p4S_2N8F0

Thanks danny

https://i63.tinypic.com/2noy9h.jpg
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Pjay
World Chat Champion



Joined: 18 Jan 2016
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PostPosted: 07:32 - 07 Jun 2016    Post subject: Reply with quote
The engine sounds a little like the airbox filter has been removed, it's under your seat, check that, but the other noise might be the drive gear, as the engine itself sound fine. check the chain for wear/slack.
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dannyh1992
L Plate Warrior



Joined: 06 Jun 2016
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PostPosted: 01:37 - 12 Jun 2016    Post subject: Reply with quote
Pjay wrote:
The engine sounds a little like the airbox filter has been removed, it's under your seat, check that, but the other noise might be the drive gear, as the engine itself sound fine. check the chain for wear/slack.


thanks for you reply i have check the air filter and chain wich seem to be fine and the sound is there when rev even when in neutral
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