Chiaphua gearing (Chippy and Bosch)

we turned down the otherside of the cluster gear to 3/8 so that it would fit into the aluminum timing pulley...then we went to a size 60 tooth plastic timing pulley on a custom made shaft for the bosch where our final take off drive is on the same shaft of the bosch...we did alot of research, and last year we used tandem motors with the fisher price and the bosch....


we got it under control...i hope