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Yamaha WR250R and WR250X forum -> General Maintenance -> Drd speedo healer
Post Info TOPIC: Drd speedo healer
Yammy250


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Drd speedo healer
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Hi all I have ordered the drd speedo healer from Brian for my wr250r with 48t rear and 13t front with the bridgestone trailing rear tyre.I don't have a GPS what is the ideal number to programme in I have looked on the forum and so far I have seen -16.7 -15.5 and -20.5 which is the best figure to dial in to get it approx 1mph below actual reading thanks martin



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M goodyear
Brian


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Hopefully you received it the SpeedoDRD this morning Martin?

Brian



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Yammy250


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Hi yes got it this morning just need a approx figure to get it reasonably accurate as I don't have GPS ect cheers Martin PS should I do it -16.7 like it says in your post? thanks for fast postage

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Brian


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Hi Martin - what a dummy I am - I had forgotten about that thread!!

Yes - go for 16.7 biggrin

At some stage I am sure you will find someone with a car or bike with a GPS and an empty road.

Get them to drive at a steady 20/30/40 and se how your speedo compares.

Cheers

Brian

PS Well done Royal Mail wink

 



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SteveT


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Plenty of speedo apps for smartphones.



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