Seller notes

Naraku Variator Control Shims for QMB139 50cc engines. Variator control shims can be installed between the drive faces to lengthen the boss if your variator does not open fully to allow maximum belt travel. For use with 20mm variator bosses only! Includes 10 shims of each size: .1mm, .2mm and .5mm. Also fits stock variators on Honda Ruckus and Metropolitan and 2-stroke Honda Elite SA/SR 50, Kymco ZX50 / Super 8 / Super 9, and SYM DD50. For Use With 20mm Variator BossID 14mmIncludes 10 each of .1...

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