i feel really retarded. I lost the 7-tooth pinion from the KIT racer gearset. the 6-tooth pinions are too small to mesh with the gears, though. is there a way to expand the gears' teeth or make the gear bigger? I thought heating a shaft and forcing it into the pinion to stretch it out, but i dunno, it may melt the gear. any suggestions are welcome and ill let yall know how i figure it out if i do...
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