Polaris SCRAMBLER 90 User Manual

PN 9918068
Printed in USA
2003 YOUTH ATV SERVICE MANUAL PN 9918068
SCRAMBLER 50
SCRAMBLER 90
SPORTSMAN 90
PREDATOR 90
SERVICE MANUAL
PN 9918068
The Way Out.
223057_cover 7/29/02 11:23 AM Page 1

Polaris SCRAMBLER 90 Specifications

General

Brand	Polaris
Model	SCRAMBLER 90
Category	Offroad Vehicle
Language	English

Summary

General Information and Maintenance

Specifications

Lists key technical data for all models, including engine, dimensions, and capacities.

Engine, Transmission, and CVT

Engine Removal

Step-by-step instructions for detaching the engine from the chassis.

Engine Disassembly

Procedures for taking apart engine components for service.

Transmission Service

Details on draining, cover removal, and drive shaft maintenance.

Engine Component Inspection

Methods for checking cylinder head, cylinder, piston, and connecting rod.

CVT System Disassembly

Steps to take apart the Continuously Variable Transmission components.

Engine Reassembly

Troubleshooting (Engine)

Common engine problems and potential causes.

Fuel System and Carburetion

Carburetor Specifications

Troubleshooting (Fuel System/Carb)

Common fuel and carburetor issues and solutions.

Electrical System

Speed Control Systems

Battery

Charging System Testing

Diagnostic flow chart for charging system issues.

Ignition System/Spark Plug

Starter System Troubleshooting

Diagnosing problems with the starter motor.

Electronic Throttle Control (ETC) Switch

Wiring Diagrams

Schematics for the electrical system.