1990-1991 Yamaha PZ480, Phazer II Series Snowmobile Service Manual

For Yamaha PZ480, PZ480E, PZ480H, PZ480ST, PZ480SE, Phazer II, Phazer II LE, Phazer II ST & Phazer II SS: diagnostics, service, and parts. Ref: YU-01235

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Document Details

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Document Number / Seller:
26004 / Robert Jones
File Size:
71.55 MB
File Type:
PDF
Language:
English
Pages:
567
Printable:
Yes
Category:
Snowmobile
Last updated / verified
Oct 2, 2025

Models Covered & Key Technical Specifications

Yamaha PZ480, Phazer II Series (1990-1991) Service Manual Covers PZ480, PZ480E, PZ480H, PZ480ST, PZ480SE, Phazer II, Phazer II LE, Phazer II ST & Phazer II SS Snowmobiles | Consolidated Maintenance Compendium.

  • Verified Tank Capacity: 31.8 L establishes the fuel reserve volume.

Manual Description & Preview

Systematic Safety Manual: Snowmobile Maintenance Blueprint: Yamaha PZ480, PZ480E, PZ480H, PZ480ST, PZ480SE, Phazer II, Phazer II LE, Phazer II ST & Phazer II SS Snowmobile Service Manual (1990-1991) Repository

Equipment-Series: PZ480 / Phazer II Series // Product-Line: Snowmobile Maintenance // Specification-Class: Rigorous Standards. The "Systematic Safety Manual" provides comprehensive documentation for the Yamaha PZ480 and Phazer II series snowmobiles from 1990-1991. Safely calling for in-depth coverage of all essential maintenance, tuning, and component specifications necessary to keep these machines in peak operating condition. This manual is designed to be a vital resource for owners and technicians alike, ensuring optimal performance and longevity through clear instructions and detailed diagrams.

chapter overview The manual presents information on engine, power train, chassis, and electrical systems, offering detailed procedures for inspection, adjustment, and repair. It includes sections on carburetor tuning, clutch settings, suspension adjustments, and troubleshooting common issues. Torque specifications and exploded diagrams are provided for precise assembly and maintenance.

Technical Specs Table Service-Nexus Operational-Logic Calibration-Standards
Engine Oil Specification Drive Chain Maintenance Suspension Setting
Carburetor Settings Electrical System Checks Brake System Adjustments
Clutch Engagement V-Belt Inspection Track Tensioning
Ignition Timing Fuel System Check Lighting System Test

The "Systematic Safety Manual" documents torque specifications for component reassembly to ensure proper thread engagement security.

specs intro systems procedures table

FAQ

What **necessary** electrical values are included? keyboard_arrow_down

12V is the specified electrical system voltage, with details on lighting circuit output tests and armature coil resistance for the C.D.I. magneto.

Determine the **recommended** calibration settings for the suspension. keyboard_arrow_down

Standard settings for the front suspension are No. 3 hole, and for the rear, No. 1 hole, with specific adjustments detailed for optimal performance.

What **calibrated** clearance measurements are provided? keyboard_arrow_down

Piston to cylinder clearance is specified as 0.045-0.050 mm, and piston pin hole off-set is 1.0 mm.

Check the **applicable** torque specifications for engine mounting. keyboard_arrow_down

Engine mounting nuts require 30 Nm (3.0 m kg, 22 ft Ib) for proper torque.

What does the manual state regarding **exact** safety precautions for the shock absorber? keyboard_arrow_down

Never tamper with or attempt to disassemble the cylinder assembly of the shock absorber; this can lead to dangerous gas expansion.

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