Question about 2008 Aprilia RS 125

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Warning light hiya i got an aprilia rs 125 08 model i just derestricted the cdi and place it back in my bike the bike works fine just one problem the warning light and the efi symbol on the digi dash wont go out.

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  • onlinebb Dec 20, 2008

    Got the same issue. Warning light and EFI light are always on.

  • mollrs Jan 02, 2009

    on the cdi there is a groove cut into it at one side i drilled thru there its hard to explain without pics, but make sure you disconnect the battery before removing the cdi, look on 125ccsportsbike forum there is alot of good info on they.

  • JackUK Feb 22, 2009

    I derestricted CDI in my 11kW 2008 RS125. I've got EFI warning light too.. but I don't care because..
    my bike runs smoother.. especially around 5-6k rpm and now it can go as high as 12k+ rpm. Before riding with revs above 10,5k was impossible. But of course without power valve revving so high is pointless so fitting it will be the next step.. I'll ask Aprilia dealer to sort out the warning light later once the full derestriction is completed :)


  • Anonymous Apr 25, 2009

    hi i got rs 125 07 i had it all derestricded and got arrow pip. when im going a long at 6 rev it splutter then i go ouer it my power valve kick in and fin at 10 how do i get it to start at 6 and fin around 12 or 14 please can u help me

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The warning light and EFI will disappear once you fit power valve :)

I've got 2008 Aprilia RS125 and CDI I derestricted first.. I had warning light on until I fitted power valve.. No warning light now.

Posted on Apr 09, 2009

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I've just drilled my 2008 rs cdi and light comes on just about to fit rave unit bike already makes different just drilling cdi it's easy to drill there's a slot on the left hand side and a little dimple at the top of slot drill there and fill with silicone

Posted on May 12, 2013

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Apparently once u fit the solenoid the EFI light will go out ..

Posted on Apr 20, 2009

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I had this prob and was told its th Throttle Position Stabilizer....cud be that guys

Posted on Feb 23, 2009

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How did you de restrict it? cause i have a 08 model too but the cdi unit is retarding the spark at 6000..

Posted on Dec 29, 2008

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SOURCE: warning light

hi how did you know were 2 drill the cdi ? i have a 2008 rs i have fitted the powervale but its not working from reserch i think drilling the cdi activates the powervale but if you dont have one the light comes on on ur clock all i need 2 know is were 2 drill the cdi thanx

Posted on Jul 04, 2009

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Warning light


hi how did you know were 2 drill the cdi ? i have a 2008 rs i have fitted the powervale but its not working from reserch i think drilling the cdi activates the powervale but if you dont have one the light comes on on ur clock all i need 2 know is were 2 drill the cdi thanx

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Help!!


honda nsr 125 honda cg125 cagiva mito 125 cagiva planet 125 or an aprillia rs 125 plz review yr bike coz i need 2 know ,Bloody hell i cant choose between cagiva or aprilia. aprilia is sposed to be shit hot derestricted, fastest of the bunch. cagiva looks like a ducati 996i though..,,,

Nov 10, 2008 | 1998 Aprilia RS 125 Extrema

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