2003 Polaris Sportsman 600, 2002-2003 Polaris Sportsman 700 Service Manual, Page 201Get this manual
TRANSMISSION TRANSMISSION REASSEMBLY CONT 17Replace and grease the Orings on the shift drum before installation
NOTE: Use caution when installing the fork, the spring can easily fall outNOTE: Installing the shift rail will aid in keeping the shift forks, shift dogs, and the springs in place15Carefully install the shaft assembly and gear cluster as unit into their respective bearing case recessesTap with soft face hammer to seat shaft assemblies18Install the shift drum into the case