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Polaris 550 LX 2007 User Manual

Polaris 550 LX 2007
266 pages
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2007-2012 EDGE/WIDETRAK LX SNOWMOBILE
SERVICE MANUAL
FOREWORD
The information printed within this publication includes the latest product information at time of print. The most recent
version of this Service Manual is available in electronic format at www.polarisdealers.com.
This Service Manual is designed primarily for use by certified 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.
Some procedures outlined in this manual require a sound knowledge of mechanical theory, tool use, and shop
procedures in order to perform the work safely and correctly. Technicians should read the text and be familiar with the
service procedures before starting any repair. Certain procedures require the use of special tools. Use only the proper
tools as specified. If you have any doubt as to your ability to perform any of the procedures outlined in this service manual,
contact an authorized dealer for service.
We value your input and appreciate any assistance you can provide in helping make these publications more useful.
Please provide any feedback you may have regarding this manual. Authorized dealers can submit feedback using 'Ask
Polaris'. Click on 'Ask Polaris', and then click on 'Publications Question'.
Consumers, please provide your feedback in writing to: Polaris Industries Inc. ATTN: Service Publications Department,
2100 Hwy 55, Medina, MN 55340.
2007-2012 EDGE/Widetrak LX Snowmobile Service Manual PN 9923396
© Copyright 2011 Polaris Sales Inc. All information contained within this publication is based on the latest product information at the time of publication. Due to constant
improvements in the design and quality of production components, some minor discrepancies 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 omissions 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.

Table of Contents

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Polaris 550 LX 2007 Specifications

General IconGeneral
BrandPolaris
Model550 LX 2007
CategoryOffroad Vehicle
LanguageEnglish

Summary

Understanding Manual Safety Labels and Directions

Model Specifications

Maintenance

Periodic Maintenance Schedule

Details the recommended maintenance schedule based on mileage intervals and pre-season checks.

Engine Maintenance

Covers procedures for engine maintenance, including exhaust valve cleaning and cooling system service.

Brake System Maintenance

Provides procedures for maintaining the hydraulic brake system, including fluid replacement and bleeding.

Fuel System

Jetting Guidelines

Explains how altitude and temperature affect air density and provides guidance for jetting carburetors.

Engine Systems

Engine Torque Sequences

Illustrates torque patterns for crankcase, cylinder, and cylinder head fasteners.

Engine Inspections

Covers procedures for inspecting cylinder head, cylinder measurements, and piston condition.

Exhaust Valve Maintenance

Details the procedures for disassembling, cleaning, and assembling the exhaust valve system.

Drive and Brake Systems

Hydraulic Brake System

Provides an overview of the hydraulic brake system, including components and operation.

PVT System

PVT System Overview

Introduces the Polaris PVT system, explaining its components and the importance of proper clutch setup.

Drive Clutch

Details the identification, removal, and installation procedures for the drive clutch.

Driven Clutch

Provides instructions for the removal and installation of the driven clutch.

Steering and Suspension Systems

Rear Suspension Adjustments

Explains procedures for adjusting rear suspension ride height, torsion springs, and scissor stops.

Battery and Electrical Systems

Troubleshooting Tables

Provides tables for diagnosing and resolving common electrical issues like no spark or incorrect timing.

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