Polaris Predator 50/90, Sportsman 90 Factory Service Manual (P/N 9920229)

• Complete OEM documentation (P/N 9920229, first edition 2006) for the 2006 Polaris Predator 50, Predator 90, and Sportsman 90.
• 126 pages of factory data covering youth-model 2-stroke engine and CVT drivetrain configurations.
• Includes 15 specification tables, over 35 exploded-view assembly diagrams, and 12 engine torque-specification charts.
• Features electrical and diagnostic references including complete wiring diagrams, stator test procedures, diagnostic flow charts, Electronic Throttle Control mapping, battery activation steps, starter brush inspection criteria, reverse speed limiter testing, and ignition coil test specifications.
• Covers detailed mechanical workflows such as cylinder honing, kick start disassembly, oil pump bleeding, drive chain adjustment, primary sliding sheave inspection, float height adjustment, transmission reassembly, brake lever adjustments, and toe alignment methods.

Manual Contents and Workshop Applications

Servicing youth ATVs requires accurate baseline data, making this reference essential for any professional repair environment. This PDF delivers exact factory specifications for the 50cc and 90cc platforms, directly enhancing shop efficiency by providing the specific teardown sequences and tolerances needed to avoid costly rework. Technicians will find complete periodic maintenance intervals, including critical carburetor jetting requirements for high-altitude operation and detailed lubrication schedules for the drive chain and front A-arms. Warning: Disregarding these exact factory parameters or improperly performing maintenance procedures can result in catastrophic component failure and severe rider injury. The text outlines the teardown sequence for the engine and CVT housing, featuring step-by-step guides for complex tasks that normally require an expensive dealership visit—such as cylinder oversize honing, deep transmission teardown, carburetor float system overhauls, and manual steering toe alignment. It provides exact torque values for critical fasteners—from cylinder head nuts to flywheel components—alongside documentation for transmission and shift-linkage service.

Core Technical Specifications

The publication lists essential engine performance metrics such as idle speed and cylinder compression limits. For instance, the Predator 50 cylinder compression should read between 110 and 130 psi. Fastener torque specs are strictly defined; intake manifold bolts require 12 Nm. When servicing the driveline on 90cc models, the transmission oil refill capacity calls for 480 ml of Polaris AGL lubricant. Fuel system data covers float heights and jetting options adjusted for varying ambient temperatures. To further assist with diagnostics and assembly, the manual contains specific visual aids, including wiring diagrams, carburetor exploded views, CVT system exploded views, Starter System Test flow charts, Charging System Test flow charts, and Lubrication charts. This documentation delivers the precise component identification and baseline specs necessary to successfully execute any electrical or mechanical repair.