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Varadero 125 tyre size change..

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P.
Red Rocket



Joined: 14 Feb 2008
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PostPosted: 10:53 - 22 Mar 2013    Post subject: Varadero 125 tyre size change.. Reply with quote
Hi,

Changed the Vara from a 130/80 17 to a 130/70 17.

Also went from a Pirelli MT50 to a road based radial from a Derbi GPR125.

Now, my speedo appears to tie in with MrJoolz Blackbird at 70 on the way in, so its not showing the speed wrong as such but with this tyre on, it has no issue whatsoever at hitting the limiter in 5th.

Previously on its MT50, it hit 80 at a push. Today it hit it the whole journey, apart from up a hill that it would usually do at 60... it sat at 70 today.

Would this small tyre change really affect a bike this much? The new rear is similar to a Michelin Pilot Sporty, but with chingchong name on there.
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SQL
World Chat Champion



Joined: 08 Aug 2012
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PostPosted: 12:29 - 22 Mar 2013    Post subject: Re: Varadero 125 tyre size change.. Reply with quote
##Paddy## wrote:
Hi,

Changed the Vara from a 130/80 17 to a 130/70 17.

Also went from a Pirelli MT50 to a road based radial from a Derbi GPR125.

Now, my speedo appears to tie in with MrJoolz Blackbird at 70 on the way in, so its not showing the speed wrong as such but with this tyre on, it has no issue whatsoever at hitting the limiter in 5th.

Previously on its MT50, it hit 80 at a push. Today it hit it the whole journey, apart from up a hill that it would usually do at 60... it sat at 70 today.

Would this small tyre change really affect a bike this much? The new rear is similar to a Michelin Pilot Sporty, but with chingchong name on there.



I assumed it was only changing wheel size i.e. from 21" to 17" that messed up speedo.
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Mrjoolz
Brolly Dolly



Joined: 07 Jul 2011
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PostPosted: 12:49 - 22 Mar 2013    Post subject: Reply with quote
I was shitting you paddy, we rode in today at 34mph. Wink
____________________
Previous Bikes: TZR125, KMX125, RGV250, RD350YPVS, GXSR750H, GSXR600SRAD, R1 (2000), GSXR1000 (K1), ZZR600, CBR1100XX Super Blackbird

Current Bike: Suzuki GSX1300R Hyabusa.....
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