2007 Yamaha WOLVERINE 350 2WD / SPORT ATV Service Repair Maintenance Overhaul Manual

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This manual covers the 2007 Yamaha Wolverine 350, available in 2WD and SPORT variants, chassis code YA1P. As an entry-level to mid-range utility ATV, the Wolverine 350 is designed for...

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Type: Atv

Vendor:

Sku: 62880

Tags: 2007 ATV Featured Powersports WOLVERINE 350 2WD WOLVERINE 350 SPORT Wolverine Models Yamaha

Product variants

Description

This manual covers the 2007 Yamaha Wolverine 350, available in 2WD and SPORT variants, chassis code YA1P. As an entry-level to mid-range utility ATV, the Wolverine 350 is designed for recreational riders, farm users, and light trail enthusiasts. It is recognized for its robust and reliable air-cooled engine and drivetrain, a legacy of extensive ATV manufacturing history. The model's relatively simple mechanical design makes it a versatile machine that facilitates straightforward maintenance, making it a popular choice for those seeking dependable performance and value. This comprehensive Service Repair Maintenance Overhaul Manual provides detailed guidance for the care and upkeep of your Yamaha Wolverine 350. It covers all essential systems, including the engine, fuel, ignition, cooling, exhaust, transmission, drivetrain, suspension, steering, brakes, electrical system, wheels, tires, frame, and bodywork. The manual includes scheduled maintenance procedures, complete engine overhaul instructions, carburetor rebuild steps, brake service guidance, electrical diagnosis, suspension adjustments, clutch adjustments, and lubrication points. With detailed troubleshooting charts, critical torque values, clearances, fluid capacities, wiring diagrams, and step-by-step illustrations, this manual is an indispensable resource for owners and technicians to ensure optimal performance and longevity of the vehicle.

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

Wolverine 350

Model Variants:

2WD, SPORT

Year:

Codes

Chassis Code Range:

YA1P (for 2WD model)

👋 Introduction

Market Position

Segment:

Entry-level to mid-range utility ATV

Target Audience:

Recreational riders, farm users, light trail enthusiasts

Competitive Analysis

Key Competitors 2007:

Honda Rancher 350, Suzuki King Quad 300, Kawasaki Bayou 300

Key Features

Powertrain Reliability:

Known for robust and reliable air-cooled engine and drivetrain

Ease Of Maintenance:

Relatively simple mechanical design facilitates DIY maintenance

Versatility:

Suitable for various terrains and light-duty work

📋 Manual Details

Coverage Areas

Manual Type:

Service Repair Maintenance Overhaul Manual

Language:

English

Format:

PDF Download

Digitization Quality:

Computer Created (Not Scanned)

Page Count

Estimated Page Count:

Approx. 400-500 pages (typical for this model and scope)

📖 Manual Coverage

Systems Covered

Engine:

Complete overhaul, inspection, disassembly, assembly, tuning, troubleshooting

Fuel System:

Carburetor tuning, cleaning, rebuilding, fuel pump (if applicable), fuel lines

Ignition System:

Spark plug specifications, ignition timing, coil testing, CDI unit

Cooling System:

Air-cooled system maintenance and inspection

Exhaust System:

Inspection, repair, replacement procedures

Transmission:

Clutch inspection and adjustment, gear shifting mechanisms, final drive maintenance

Drivetrain:

Driveshaft, U-joints (if applicable), rear axle maintenance

Suspension:

Front and rear suspension component inspection, adjustments, fork seals, shock absorbers

Steering:

Handlebar, steering stem, tie rods, ball joints inspection and maintenance

Brakes:

Hydraulic brake system (front and rear), caliper overhaul, master cylinder, brake fluid specifications, bleeding procedures

Electrical System:

Wiring diagrams, battery maintenance, lighting, starter system, charging system (stator, regulator/rectifier)

Wheels And Tires:

Tire pressure, wheel bearing inspection, lug nut torque specifications

Frame And Bodywork:

Frame inspection, plastic component removal/installation, seat, fenders

Troubleshooting:

Comprehensive diagnostic charts and procedures for common and uncommon issues

Procedures Included

Scheduled Maintenance:

Detailed maintenance schedules and recommended service intervals

Engine Overhaul:

Complete engine tear-down, rebuild, and reassembly instructions

Carburetor Rebuild:

Step-by-step instructions for carburetor cleaning, inspection, and reassembly

Brake Service:

Brake pad replacement, caliper servicing, brake line bleeding

Electrical Diagnosis:

Troubleshooting electrical faults using wiring diagrams and test procedures

Suspension Adjustment:

Instructions for adjusting suspension settings and replacing wear items

Clutch Adjustment:

Procedures for maintaining optimal clutch performance

Lubrication Points:

Identification and recommended lubrication for all critical points

Technical Depth

Scope Of Repair:

From basic fluid changes and adjustments to complete engine and transmission rebuilds

Diagnostic Capabilities:

Detailed diagnostic procedures, including troubleshooting charts and common failure analysis

Specifications Data:

Inclusion of all critical torque values, clearances, fluid capacities, and electrical specifications

Wiring Diagrams:

Comprehensive electrical schematics for accurate troubleshooting and repair

Illustrations And Diagrams:

Detailed exploded views, diagrams, and step-by-step illustrations for clarity

📊 Manual Specifications

File Format

File Type:

Searchability:

Searchable text for quick information retrieval

Zoom Capability:

High-resolution zoom for detailed viewing of diagrams and text

Print Quality

Output Quality:

Printable pages for hands-on workshop use

Binding Type

Binding:

N/A (Digital PDF Download)

Paper Type

Paper:

N/A (Digital PDF Download)

⚙️ Engine Specifications

Primary Engine

Engine Type:

4-stroke, SOHC, 2-valve

Engine Displacement:

348 cc

Bore X Stroke:

83.0 mm x 64.5 mm

Cooling System:

Air-cooled

Compression Ratio:

8.6:1

Performance

Horsepower:

Approx. 20-22 HP (estimated, varies by region and tuning)

Torque:

Approx. 20-22 lb-ft (estimated)

Fuel System

Carburetor:

Mikuni BS34, 34 mm flat-slide carburetor

Fuel Type:

Unleaded gasoline (minimum 87 octane recommended)

Fuel Tank Capacity:

3.3 US gal (12.5 L)

Ignition System

Ignition System:

CDI (Capacitor Discharge Ignition)

Spark Plug Gap:

0.7 - 0.8 mm (0.028 - 0.031 in)

Spark Plug Type:

NGK CR7E or equivalent

🔧 Transmission

Standard

Transmission Type:

5-speed constant mesh with automatic centrifugal clutch and reverse

Optional

Optional Transmission:

Features

Drive System:

Shaft drive

Clutch Type:

Automatic centrifugal clutch

📐 Dimensions

Exterior

Length:

74.0 in (1880 mm)

Width:

41.5 in (1055 mm)

Height:

43.7 in (1110 mm)

Wheelbase:

49.2 in (1250 mm)

Ground Clearance:

6.5 in (165 mm)

Weights

Dry Weight:

549 lbs (249 kg)

Wet Weight:

Approx. 580 lbs (263 kg)

🛡️ Safety Features

Ratings

Safety Certifications:

Conforms to EPA and CARB emissions standards (depending on market)

Active Features

Braking System:

Hydraulic disc brakes front and rear, parking brake

Passive Features

Lighting:

Dual 30W Krypton headlights, 8W/27W taillight/brake light

Ergonomics:

Comfortable seating position, accessible controls

💡 Technology Features

Infotainment

Infotainment System:

N/A (Basic ATV controls)

Driver Assistance

Driver Assistance Features:

Connectivity

Connectivity Options:

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 1000 km or 12 months (refer to manual for specific interval)

Air Filter Cleaning:

Every 500 km or 6 months (more frequently in dusty conditions)

Spark Plug Replacement:

Refer to manual, typically every 5000 km or as needed

Fluid Specifications

Engine Oil Type:

Yamaha Genuine Yamalube 4 (or equivalent high-quality ATV oil) SAE 10W-40 or 20W-50 (depending on temperature)

Engine Oil Capacity:

1.8 L (1.9 US qt) without filter change, 1.9 L (2.0 US qt) with filter change

Brake Fluid Type:

DOT 4 (SAE J1703 or FMVSS No. 116)

Final Drive Oil Type:

Yamaha Genuine Gear Oil 80W-90 (or equivalent)

Final Drive Oil Capacity:

0.14 L (0.15 US qt)

Known Issues

Carburetor Fouling:

Can be prone to clogging if fuel is not fresh or if stored improperly, requiring periodic cleaning.

Starter Clutch Wear:

Some units may experience wear on the starter clutch mechanism over time, leading to a grinding noise during starting.

Cam Chain Tensioner:

Automatic cam chain tensioner can sometimes fail, leading to noise or timing issues; manual replacement is often preferred.

Suspension Bushings:

Like many ATVs of this era, suspension bushings can wear, affecting handling and requiring replacement.

📚 Vehicle History

Brand Heritage

Yamaha Atv Legacy:

Yamaha has a long history of producing reliable and innovative ATVs, starting with the '80s Moto-4 line, paving the way for the Wolverine series.

Model Evolution

Wolverine Lineage:

The Wolverine 350 was a popular model in Yamaha's lineup, succeeding models like the Moto-4 and preceding the Grizzly series in some aspects, offering a balance of utility and sport.

Production

Production Period:

The Wolverine 350 2WD was produced for several years, with the 2007 model representing a mature iteration of the design.

🏆 Awards & Recognition

Recognitions

Industry Awards:

While specific awards for the 2007 model are not widely publicized, the Wolverine line consistently received positive reviews for its reliability and value in its class.