1997-1999 Yamaha Big Bear 350 4WD (YFM350FWB) OEM Service & Repair Manual

1997-1999 Yamaha Big Bear 350 4WD (YFM350FWB) OEM Service & Repair Manual

The 1997-1999 Yamaha Big Bear 350 4WD (YFM350FWB) OEM Service & Repair Manual is the official factory-issued guide used by Yamaha technicians to service and maintain this popular utility ATV. It contains detailed service procedures, mechanical specifications, and maintenance schedules specifically for the YFM350FWB models produced between 1997 and 1999.

Whether you’re a seasoned powersports mechanic or a hands-on ATV owner looking to keep your machine running strong, this manual delivers clear, practical guidance straight from the source. No fluff—just everything you need to get the job done right, whether you're tearing into the engine or just keeping up with regular maintenance.

What’s Inside the Yamaha Big Bear 350 Service Manual

General Information & Service Notes

Includes factory reference data, VIN decoding, model identification, safety guidelines, tool recommendations, and repair preparation instructions.

Specifications & Torque Settings

Covers critical service data including engine dimensions, wear limits, torque values, and system capacities—useful for any engine rebuild or major service.

Periodic Inspection & Adjustment

Outlines regular service intervals and recommended adjustments for brakes, throttle, valves, suspension, and more to ensure long-term reliability.

Engine Overhaul Procedures

Step-by-step disassembly and reassembly instructions for top end, bottom end, and complete engine rebuilds. Includes piston, camshaft, valve train, and crankcase servicing.

Fuel & Carburetion System

Service and tuning instructions for the carburetor and fuel delivery system. Includes float height settings, jet cleaning, and idle mixture adjustments.

Drive Train Service

Procedures for inspecting and replacing drive components including the final drive, front and rear differentials, driveshafts, and 4WD system components.

Chassis & Frame Maintenance

Includes instructions for front and rear suspension service, steering inspection, wheel bearing replacement, and frame-related repairs or adjustments.

Electrical System Testing & Repair

Troubleshooting and service for electrical components including charging system, ignition, starting system, and lighting. Includes resistance values and test procedures.

Troubleshooting Guide

Diagnostic reference to help identify and resolve common mechanical or electrical issues, using symptom-based charts and factory-tested flowcharts.

How This Manual Supports Your Repairs

This is the same official service manual trusted by Yamaha-authorized technicians. With its no-nonsense structure and complete technical coverage, it’s ideal for those tackling routine maintenance, diagnosing intermittent problems, or doing a full rebuild. No guesswork, no missing steps—just straight-up factory procedures written for real-world use.

Format & Compatibility

Delivered as a high-resolution, searchable PDF. Compatible with Windows, macOS, Linux, iOS, and Android devices. Easily viewable on desktops, tablets, smartphones, or printable for use in the garage.

Download the 1997–1999 Yamaha Big Bear 350 Repair Manual Today

From regular oil changes to full drivetrain service, this manual gives you the factory procedures needed to maintain and repair your Big Bear 350 the right way.

Language: English
Compatibility: Windows, macOS, Linux, iOS, Android
Requirements: PDF Reader (e.g., Adobe Reader)