2003 Polaris ATV Trail Boss 330 Factory Service Manual, Page 159Get this manual
TRANSMISSION 5Install shift fork9Install drain plug with new sealing washerTorque drain plug to 14 ftlbs(19 Nm)10Insert shifting bullet with tip in position as shownInsert spring and plugTorque plug to 14 ftlbs(19 Nm)
6Insert fork guide pin
11Install transmission and add Polaris Premium Synthetic Gear Case Lubricant (PN 2871477) in the recommended amountRefer to Maintenance Chapter 212Install gear indicator switchApply Loctitet 242 (PN 2871949) to threads of switch screws and torque to 13-16 inlbs(1.5-1.9 Nm)