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racing pulley 115 mm
for chinese scooter gy6 152QMI 125cc and 153QMI 150cc jmstar, jonway, kinroad, baotian, znen, meiduo, haizhimeng, wangye, keeway, vonroad, hanglong etc.
the bigger diameter of this drive pulley (variator), 115 mm instead of standard 108 mm, give a better transmission ratio and centrifugal power, thus, increasing top speed and average use
rollers not included
for a better result buy the fixed drive pulley, essential for a racing variator : use on private road only. Does not fit on Keeway !
for assembly instruction see www.scooterchinois.fr/modules/newbb/viewforum.php?forum=98
our configuration advice if you don't want to modifiy your motor:
a racing variator with 9 or 10 grs rollers, racing cdi, racing clutch.
this give a very big gain in acceleration and power, a light increase on top speed (6000 rpm in 2 seconds), but in this configuration, a 835x20x30 belt will limit your speed increase, so, you will need a 842x20x30 (like in zijingang brand)
after a lot of test, the racing clutch is needed to have the best result
(Based on 5 Reviews)
Price: €36.00ttc €22.00ttc
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/racing parts 125cc/transmission/racing pulley 115 mm
