🏷️ Basic Information

Make:

Yamaha

Model:

YFM Wolverine 350

Year:

2001

Vehicle Type:

ATV (All-Terrain Vehicle)

Engine Code Suffix:

Likely 'A' or similar based on Yamaha's typical designation for this era, though not explicitly stated in product info.

Model Generation:

This manual covers the first generation Wolverine 350, which was introduced for the 1995 model year and saw updates through its production run.

👋 Introduction

Positioning:

The Yamaha YFM Wolverine 350 was positioned as a versatile, mid-size utility ATV, popular for trail riding, light farm work, and recreational use.

Competitors:

Competed with models such as the Honda FourTrax 300/350, Suzuki QuadRunner 300, and Kawasaki Bayou 300/400.

Features:

Known for its reliable air-cooled engine, shaft drive, independent front suspension, and comfortable seating position.

Benefit:

Empowers owners and technicians to perform repairs and maintenance cost-effectively, minimizing downtime and dealership expenses.

📋 Manual Details

Primary Focus:

Maintenance, repair, and troubleshooting of the Yamaha YFM Wolverine 350 (2001 model year).

Secondary Focus:

Specifications, periodic inspections, and adjustments.

Estimated Page Count:

Typically, factory service manuals of this era for ATVs range from 300-600 pages. An exact count is not provided, but comprehensive coverage is implied.

Type:

Factory Service Repair Manual

Language:

English

File Format:

PDF

📖 Manual Coverage

Engine:

Comprehensive engine overhaul, including disassembly, inspection, assembly, and component testing.

Fuel System:

Detailed procedures for the carburetion system, including carburetor adjustment, cleaning, and jetting.

Electrical System:

Complete electrical system diagnosis, wiring diagrams, component testing, and troubleshooting for ignition, lighting, and charging systems.

Chassis:

Maintenance and repair of the chassis components, including suspension, steering, and frame.

Drivetrain:

Coverage of the transmission, final drive, and driveline components, including clutch and gear shifting mechanisms.

Maintenance:

Periodic inspection and adjustment schedules, lubrication, filter changes, and general upkeep procedures.

Repair:

Detailed step-by-step repair instructions for all major mechanical and electrical components.

Troubleshooting:

Systematic troubleshooting guides and diagnostic procedures for identifying and resolving common and complex issues.

Depth:

Comprehensive, covering from basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic strategies.

📊 Manual Specifications

Quality:

PDF format allows for searchable text, digital navigation, and high-resolution imaging of diagrams and illustrations.

Printability:

Printable, allowing users to create hard copies for workshop use.

Binding Type:

N/A (Digital Download - PDF)

Paper Type:

N/A (Digital Download - PDF)

Operating Systems:

Compatible with WINDOWS and MAC operating systems.

Software Requirement:

Requires Adobe PDF Reader for viewing.

⚙️ Engine Specifications

Type:

Air-cooled, 4-stroke, SOHC, 2-valve

Displacement:

348cc

Bore X Stroke:

82mm x 67.2mm

Compression Ratio:

9.6:1

Horsepower Estimate:

Approximately 21-23 HP (specific figures vary by tuning and measurement).

Torque Estimate:

Approximately 20-22 lb-ft (specific figures vary).

Carburetor Type:

Teikei Y24P or similar single carburetor (specific model detailed in manual).

Fuel Type:

Unleaded gasoline

Ignition System:

CDI (Capacitor Discharge Ignition)

Cooling Method:

Air-cooled with oil cooler

🔧 Transmission

Type:

5-speed manual with automatic clutch (wet, multi-disc)

Drive System:

Shaft drive, 2WD (Rear-wheel drive)

Reverse:

Yes

Transmission Oil Type:

Yamalube 4 (or equivalent SAE 10W-30 API SE, SF, SG classification) 4-stroke engine oil.

Transmission Oil Capacity:

Approximately 1.70 Liters (1.80 US qt).

📐 Dimensions

Length:

Approx. 1995mm (78.5 in)

Width:

Approx. 1090mm (42.9 in)

Height:

Approx. 1130mm (44.5 in)

Dry Weight:

Approx. 244 kg (538 lbs)

Ground Clearance:

Approx. 130mm (5.1 in)

Wheelbase:

Approx. 1280mm (50.4 in)

Rack Capacity Front:

Approx. 45 kg (99 lbs)

Rack Capacity Rear:

Approx. 85 kg (187 lbs)

🛡️ Safety Features

Safety Standard Compliance:

Designed to meet industry safety standards for ATVs of its era. Specific crash test ratings are not applicable in the same way as passenger vehicles.

Braking System:

Hydraulic disc brakes front and rear.

Parking Brake:

Mechanical parking brake.

Lighting:

Dual 30W headlights, 5W taillight/stoplight.

Operation Warnings:

Manual emphasizes safe operating practices, including helmet use, avoiding alcohol/drugs, and terrain awareness.

💡 Technology Features

Infotainment System:

N/A (Basic utility ATV with no integrated infotainment system).

Driver Assistance Features:

N/A (No electronic driver assistance systems like ABS or traction control).

Connectivity Options:

N/A (No electronic connectivity features).

Dashboard Features:

Analog speedometer, odometer, neutral indicator, reverse indicator, high-beam indicator.

🔧 Maintenance

Initial Service:

Recommended break-in period and first service around 1000km or 6 months (specifics in manual).

Engine Oil Change:

Every 2000 km or 6 months, whichever comes first.

Air Filter Cleaning:

Every 1000 km or more frequently in dusty conditions.

Spark Plug Replacement:

Recommended inspection every 2000 km, replacement as needed.

Valve Clearance Adjustment:

Every 4000 km or 24 months.

Engine Oil Spec:

Yamalube 4 (or equivalent SAE 10W-30 API SE, SF, SG classification) 4-stroke engine oil.

Brake Fluid Spec:

DOT 3 or DOT 4 hydraulic brake fluid.

Common Wear Items:

Brake pads, clutch plates, drive shafts, carburetor jets due to ethanol fuels (potential).

Typical Maintenance Focus:

Carburetor cleaning/re-jetting, oil changes, spark plug checks, and general drivetrain lubrication are key for longevity.

📚 Vehicle History

Heritage:

Yamaha has a long-standing reputation for producing reliable and high-performance powersports vehicles, including a successful line of ATVs.

Evolution Summary:

The Wolverine line has evolved from earlier utility and sport-utility ATVs, with the 350cc model serving as a key iteration in Yamaha's mid-size ATV offerings.

Production Period:

The Wolverine 350 platform was produced for many years, with the 2001 model representing a mature iteration of the design.

🏆 Awards & Recognition

Industry Recognition:

While specific awards for the 2001 model are not readily documented, the Wolverine line consistently received positive reviews for its reliability and utility in its class during its production years.

Consumer Ratings:

Generally well-regarded by owners for its durability and ease of maintenance.