Supplementary Service Manual: Yamaha Wolverine 350 YFM350FXG, YFM350FXH, YFM350FXLC, YFM350FXMC, YFM350FXN, YFM350FXP ATV (1995-2002)

Complete Your Workshop with the Yamaha Wolverine 350 Supplementary Service Manual (1995-2002)

Keep your legendary Yamaha Wolverine 350 ATV in peak performance with this essential Supplementary Service Manual. The Wolverine 350 is a unique hybrid in the ATV world, known for combining the sporty handling of a rear-wheel-drive quad with the rugged capability of a 4WD system. To maintain this complex drivetrain and the reliable 348cc air-cooled engine, precise technical data is non-negotiable.

This manual is the perfect companion for owners of the YFM350FX series. Because the Wolverine 350 evolved over its production run—incorporating specific changes for emissions in California and electrical updates in later years—this supplementary guide provides the exact specifications and new service procedures required for the later model years that a standard base manual might miss.

Vehicle Identification and Serial Numbers

To ensure you are using the correct data for your specific machine, this manual covers the following starting serial numbers (Primary I.D.):

• YFM350FXN (Standard Model): Starts at 4KB-051101
• YFM350FXMC (California Model): Starts at 4KB-054101

Wide Model Coverage

This documentation is specifically designed to be used in conjunction with the base service manuals to cover the full spectrum of the Wolverine 350 4x4 evolution:

• YFM350FXG Wolverine 350 (1995)
• YFM350FXH Wolverine 350 (1996)
• YFM350FXLC Wolverine 350 California (1999)
• YFM350FXMC Wolverine 350 California (2000)
• YFM350FXN Wolverine 350 (2001)
• YFM350FXP Wolverine 350 (2002)

Comprehensive Technical Insights

This manual offers professional-grade depth for both routine tasks and complex overhauls:

• General Specifications: Get the exact engine idle speed (1,450 to 1,550 r/min), spark plug gaps (0.6 to 0.7 mm for DR8EA), and valve clearances (Intake: 0.06 to 0.10 mm) to keep your engine running smoothly.
• Electrical Systems: Detailed troubleshooting for the CDI ignition, charging system, and the electric starter system. Includes specific resistance values for the pickup coil and source coil to diagnose "no-spark" issues quickly.
• Carburetion & Tuning: Specific settings for the Mikuni BSR33 carburetor, including main jet, jet needle, and pilot screw positions to ensure optimal fuel delivery and throttle response.
• Chassis & Drivetrain: Critical torque specifications for the 4WD system, suspension components, and braking system to ensure your safety on the trail.
• Maintenance Schedules: Clear intervals for oil changes, air filter cleaning, and periodic inspections tailored to the Wolverine's unique mechanical layout.

Why This Manual is Essential

The Yamaha Wolverine 350 is a workhorse, but its dual-nature as a sport/utility ATV means it faces diverse stresses. Whether you are navigating tight wooded trails or using it for light farm work, the technical data in this manual allows you to perform repairs correctly the first time. By following the factory-approved procedures, you prevent costly damage to the engine and transmission, preserve the resale value of your ATV, and ensure it remains trail-ready for years to come.

From tightening the cylinder head to re-wiring the ignition switch, this manual provides the clarity and technical accuracy that DIY enthusiasts and professional mechanics demand.