Gearboxes & Parts

Find replacement gearbox and transmission parts for GY6 scooters, ATVs, dirt bikes, go-karts, pocket bikes and mini bikes. This collection includes T8F transmission gearboxes, kick start shaft gears, ratchet gears, gearbox spindles and intermediate gear shaft sets.

Choose parts by engine size, tooth count, chain type, spline count and original gearbox style. These parts are commonly used to repair worn gears, slipping drive systems, hard kick-start issues, abnormal transmission noise or weak power transfer.