Question about 2008 Yamaha YZF-R15

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Rear height of r15

I have changed da rear tyre frm 100/80/17 to 120/80/17 zapper vyde.but it is givin da problem as the rear tyre touches the upper portion of da mudgaurd right under the toolbox in the jump situation.i want 2 increase the height of da shocker so as to avoid this prblm,bt da technicians told me dat it is nt possible 2 increase da height of da shocker as it is auto-adjustable.plz reccomend da appropiate solution...

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  • Graeme Ross
    Graeme Ross May 11, 2010

    Hi speed


    Solution is really to change back to the tyre the bike was fitted with orioginally. All apsects of the chassis are setupfor the originally fitted tyre, and going wider will not produce better grip, more so lesser handling as the rim is designed for the 100/80/17. You would need to weld new mount points for the shockers toraise the back end to  solve the probem.  I know this is not what you are wanting to hear,  but is the best option for you 


    regards
    robotek

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You have increased the width of the tire only 5mm on the sides, all you need to do is to trim the mud guard down just enough to clear the tire and still work as a mud guard. if you were to install a longer shock you would change the geomerty of the machine making it harder to sit (higher) on and ride in the leaned over position seat no longer flat but leaning down hill to forks

Posted on Jan 11, 2009

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No worry just increase the hieght rear shock it possible i changed back tyre with 140/80/17................ it is possible... just meet one good mechanic.

Posted on Feb 28, 2012

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