2003 Polaris 3 PRO X Factory Service Manual, Page 183Get this manual
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CHASSISBRAKESFINAL DRIVE
HYVOt Drive Chain
Chain Length (Pitch) 66P 68P 70P 72P 74P 76P Part Number 3224071 3224070 3224069 3221110 3221109 3221108
Bottom Sprockets For 34 HYV