tire size YAMAHA TTR90 2005 Notices Demploi (in French)

YAMAHA TTR90 2005 Notices Demploi (in French) TTR90 2005 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/51686/w960_51686-0.png YAMAHA TTR90 2005 Notices Demploi (in French)

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YAMAHA TTR90 2005  Notices Demploi (in French) SPEC
2 - 3 Transmission:
Primary reduction system Spur gear
Primary reduction ratio 67/18 (3.722)
Secondary reduction system Chain drive
Secondary reduction ratio 35/14 (2.500)
Transmission type Const