This 1pc steel #45 11T pinion is an aftermarket replacement crafted to suit Kyosho motorcycle model motors. It provides the stated 11-tooth configuration and steel material for routine drive train service and repairs.
To install, remove the motor assembly, extract the old pinion, fit the new 11T steel unit to the motor shaft, secure per your motor's set-screw or press-fit arrangement, then set and check the mesh with the spur gear before final assembly. Ensure correct axial placement and secure fastening to reduce wear risk.
During setup and maintenance, use this steel pinion when you need improved wear resistance while testing gear ratios or swapping worn parts. Always check teeth condition and run a bench rotation check before track use.
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