This Kyosho IG113-17 2nd gear is an RC-scale replacement part designed to fit specified GT lineage gearboxes. It is presented as a direct second-gear unit with a 17T tooth profile, intended for routine service, repair or tuning where a like-for-like spare is required.
Installation is straightforward for experienced hobbyists: remove the gearbox cover, note gear stack orientation, inspect pinion and spur engagement, then swap the second gear while checking for free rotation and correct mesh. Confirm all retaining hardware and any split collars or circlips are returned to original positions and verify clearance with the motor pinion before final assembly.
Tuning role: the IG113-17 17T second gear affects intermediate ratio behavior in acceleration and mid-range response. When used alongside matching pinion and spur choices it preserves intended gearing and drivetrain balance; mismatched tooth counts or worn bearings can introduce noise or premature wear, so inspect associated ball bearings and shafts during replacement.
Use this part as a like-for-like replacement during gearbox maintenance or when restoring drivetrain geometry after competition runs. Verify parts compatibility against your chassis manual before installation.
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