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Continue to ChatStarter Gear - Double Gear, 40T/15T, ATV, Hisun, 500-700cc - 20A6950 - PBC1665F1 - https://www.toys4boys.ca/express-parts-catalog/engines-parts-upgrades/starter-gear-double-gear-40t-15t-atv-hisun-500-700cc-20a6950-pbc1665f1