Gearing - Polaris TX Starfire Owner's Manual

GEARING
The selection of the proper chain sprocket ratios are essential
to achieve maximum performance. Track condition, snow con-
ditions, temperatures, weather, altitude, driver weight, etc. are
some of the factors which must be considered in the selection
of the proper ratio.
Your 1973 TX Starfire performance machine comes equipped
with the following sprocket ratios:
Machine
294 335 440 650
Gears 13-35 16-39 16-35 17-35
Chain pitch
Optional sprockets are as follows:
Number of teeth Polaris Part Number
12 3221020
13 3221012
14 3221023
15 3221008
16 3221021
17 3221009
19 3221010
21 3222008
23 3222017
35 3222021
39 3222026
41 3222025
The following sprocket to gear ratio chart wi II be a great benefit
to you when selecting the proper combination.
12