This spur gear, Yokomo C-CQ0223A, is built as a service replacement for HL-150 style platforms that use a slipper drive. It carries 85 teeth at 48 pitch and is supplied to support maintenance and gearing changes on CE-HL150 based 1/10 4WD RTR monster trucks.
Fitment and role: tooth count and the 48P pitch control correct meshing with compatible pinions and the slipper assembly. Confirm pinion pitch and slipper hub acceptance before installing. Use the part when worn teeth appear or when you want to adjust final drive ratio for different terrain.
Installation notes: set proper mesh and backlash with the mating pinion, inspect the slipper clutch for wear before refitting, and mount the spur square to the gearbox output to prevent binding. Tighten mounting screws to the correct torque and verify free rotation at the bearings before running.
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