🏷️ Basic Information

Make:

Yamaha

Model:

Wolverine 350

Model Designation:

YFM350X

Vehicle Type:

All-Terrain Vehicle (ATV)

Product Type:

Service Repair Manual

👋 Introduction

Target User:

DIY enthusiasts, independent repair shops, and Yamaha owners seeking to maintain or repair their Wolverine 350.

Value Proposition:

Provides dealer-level diagnostic and repair information at a fraction of the cost of professional service.

Key Selling Points:

Extensive page count, comprehensive system coverage, dealer-quality information, downloadable format.

📋 Manual Details

Covered Years:

1995-2005

Coverage Areas Summary:

Comprehensive maintenance, diagnosis, and repair for all major systems.

Page Count:

320+

Manual Type:

Factory Service Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Systems Covered:

General Information, Maintenance, Engine Removal/Installation, Fuel System, Lubrication/Cooling, Combustion System, Transmission System, Front Wheel/Steering, Rear Wheel, Fenders/Exhaust Pipe, Electrical System, Troubleshooting.

Procedures Included:

Routine maintenance, diagnostic procedures, component removal and installation, repair and adjustment, troubleshooting guides, system overviews.

Technical Depth:

In-depth technical information equivalent to dealer-level service.

📊 Manual Specifications

File Format Details:

Searchable PDF, printable pages.

Print Quality:

High-resolution scans of original factory documentation.

Binding Type:

N/A (PDF Download)

Paper Type:

N/A (PDF Download)

⚙️ Engine Specifications

Engine Type:

4-stroke, SOHC, air-cooled

Engine Displacement:

348cc

Bore X Stroke:

83 mm x 64.5 mm

Compression Ratio:

9.2:1

Horsepower Estimated:

Approximately 20-25 HP (varies by year/tuning)

Torque Estimated:

Approximately 20-23 lb-ft (varies by year/tuning)

Carburetor Type:

Mikuni VM32SS (typical)

Fuel Type:

Unleaded gasoline, 87 octane or higher

Cooling System:

Air-cooled

Oil Type Specification:

Yamalube 4 (or equivalent) SAE 10W-30 API SG or higher

Oil Capacity:

Approx. 2.3 L (2.4 US qt) with oil filter change

Ignition System:

CDI (Capacitor Discharge Ignition)

Spark Plug Type:

NGK CR7E (typical, check manual for exact fitment)

Spark Plug Gap:

0.7 - 0.8 mm (0.028 - 0.031 in)

🔧 Transmission

Transmission Type:

5-speed manual with automatic clutch

Final Drive:

O-ring sealed chain

Gear Ratios:

Specific ratios detailed in manual.

Transmission Oil Type:

Yamaha Gear Oil 10W-40 (or equivalent)

Transmission Oil Capacity:

Approx. 0.8 L (0.85 US qt)

📐 Dimensions

Overall Length:

Approx. 1820 mm (71.7 in)

Overall Width:

Approx. 1065 mm (41.9 in)

Overall Height:

Approx. 1050 mm (41.3 in)

Dry Weight:

Approx. 207 kg (456 lbs)

Fuel Capacity:

Approx. 10 L (2.6 US gal)

Wheelbase:

Approx. 1210 mm (47.6 in)

Ground Clearance:

Approx. 230 mm (9.1 in)

🛡️ Safety Features

Braking System:

Front: Dual Hydraulic Disc; Rear: Hydraulic Disc

Lighting:

Headlights, Taillight/Brake Light

💡 Technology Features

Infotainment Features:

N/A (Basic ATV, focus on mechanicals)

Driver Assistance Features:

N/A (Basic ATV, focus on mechanicals)

Performance Tuning Info:

Manual provides base specifications for tuning carburetor, ignition timing (if adjustable), and valve clearances for optimal performance and longevity.

🔧 Maintenance

Oil Change Interval:

Refer to manual, typically every 100-200 hours or annually.

Air Filter Cleaning:

Refer to manual, recommended frequently based on operating conditions.

Spark Plug Replacement:

Refer to manual, typically every 300-500 hours or as needed based on inspection.

Brake Fluid Type:

DOT 3 or DOT 4 hydraulic brake fluid

Coolant Type:

N/A (Air-cooled)

Common Wear Items:

Drive chain and sprockets, brake pads, wheel bearings, carburetor jetting adjustments, starter motor.

Troubleshooting Focus Areas:

Carburetor performance (fouling, jetting), starting issues, shifting problems, electrical system faults.

Required Special Tools:

Specific tools for engine disassembly, carburetor adjustment, electrical testing (refer to manual for detailed list).

📚 Vehicle History

Yamaha Atv Legacy:

Yamaha has a long-standing reputation for producing reliable and performance-oriented ATVs, pioneering many features and categories.

Wolverine Lineage:

The Wolverine line has historically focused on utility and trail riding, offering a balance of power and comfort. The 350 model has been a staple in this lineup, known for its ruggedness.

Production Period For Model:

The Yamaha Wolverine 350 (YFM350X) was produced for a significant period, with the manual covering models from 1995 to 2005, indicating continuous development and popularity during those years.

🏆 Awards & Recognition

Industry Recognition:

Yamaha ATVs consistently receive positive reviews for reliability and off-road capability, though specific awards for the 1999 Wolverine 350 model are not cited here but are implied by brand reputation.