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Yamaha WR250R and WR250X forum -> General Chat -> Engine management fault light cleared!
Post Info TOPIC: Engine management fault light cleared!
Brian


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Engine management fault light cleared!
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My WR250R has had the orange warning light showing since I bought it but it ran perfectly well so I tried to ignore it. However, it has bugged me over the years and I have gradually replaced all the emissions kit to try and clear the fault.   

I at last got around to learn how to use the on-board diagnostics (see here ) and nailed down the fault code to a "seized EXUP servo motor".  

I would like to say a very public thanks to Grassroots (aka Paul) for the very kind donation of a brand new servo unit that he removed from his own WRR when he bought it - he had also previously gifted me the other emissions kit my WRR was missing. I did the initial fit yesterday and finished the cable adjustment and put the guards etc back on today.

I am delighted to say I have no engine warning light showing now  biggrinbiggrinbiggrinbiggrinbiggrin

Thank you Paul!!!

Brian



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TerryK


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Good stuff, been wondering how to get into the onboard setting/ fault codes...not that I have any but on the video from MAD they talked about changing the exhaust & resetting the CO settings through the dash.

I think the after market exhaust does away with the EXUP is that correct ? I'm happy with the standard exhaust on the WRR which makes a change for me.

Terry

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2009 Triumph Thruxton

2006Triumph Scrambler

2015 Yamaha WR250R

2011 Yamaha TT250R

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Brian


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TerryK wrote:

I think the after market exhaust does away with the EXUP is that correct ? 

Terry

 Yes Terry. The EXUP flap is on the neck of the exhaust. Owners that go for an after-market exhaust usually take off the EXUP servo and cables and put in a bypass to save getting the error codes.

Brian



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Grassroots


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An absolute pleasure Brian. I'm glad to hear the little beast has you beaming again smile

Enjoy the festive period  of extra trail days out.

 

Paul.



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