Hello, I have a E-ton 90 and bought it with tranny problems so I bought some replacment gears from a polaris 90. now the thing is that insted of having 15 teeth in the front I have 19. differant shaft outputs.so now with the 19 front my raito is 1.47 and with the 15 tooth my raito was 1.87 is there that much of a differance????? and can I buy a new front sprocket for it