2003 TRAIL BOSS 330
This manual is designed primarily for use by certified Polaris Master Service Dealer technicians in a properly
equipped shop and should be kept available for reference. All references to left and right side of the vehicle
are from the operator’s perspective when seated in a normal riding position.
Someprocedures outlined in thismanual require a sound knowledgeof mechanical theory, tool use, and shop
procedures in order to perform thework safely and correctly. Technicians should read the text and be familiar
with service procedures before starting the work. Certain procedures require the use of special tools. Use
only the proper tools as specified.
This manual includes procedures for maintenanceoperations, component identification andunit repair, along
with service specifications for 2003Polaris Trail BossATVs.Comments or suggestions about thismanualmay
be directed to: Service Publications Dept. @ Polaris Sales Inc. 2100 Hwy 55 Medina Minnesota 55340.
2003 Trail Boss 330 ATV Service Manual (PN 9918061)
Copyright 2002 Polaris Sales Inc. All information contained within this publication is based on the latest product information at the time of
publication. Due to constant improcvements in the design and quality of production components, some minor descrepancies may result
between the actual vehicle and the information presented in this publication. Depictions and/or procedures in this publication are intended
for reference use only. No liability can be accepted for ommisions or inaccuracies. Any reprinting or reuse of the depictions and/or
procedures contained within, whether whole or in part, is expressly prohibited. Printed in U.S.A.
UNDERSTANDING SAFETY LABELS AND INSTRUCTIONS
Throughout these instructions, important information is brought to your attention by the following symbols:
The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED!
Failure to followDANGER instructions will result in severe injury or death to the operator, bystander