2009 Yamaha GRIZZLY 350 IRS / 4WD / HUNTER ATV Service Repair Maintenance Overhaul Manual

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This manual covers the 2009 Grizzly 350 IRS / 4WD / HUNTER, chassis code YFM350FGPH. As a mid-size utility ATV, the Grizzly 350 is renowned for its reliability, robust construction,...

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Tipo: Atv

Proveedor:

SKU: 62856

Etiquetas: 2009 ATV GRIZZLY 350 4WD GRIZZLY 350 HUNTER GRIZZLY 350 IRS Grizzly Models Powersports Yamaha

Variantes de producto

Descripción

This manual covers the 2009 Grizzly 350 IRS / 4WD / HUNTER, chassis code YFM350FGPH. As a mid-size utility ATV, the Grizzly 350 is renowned for its reliability, robust construction, and capable performance in recreational and hunting applications. Key features include Independent Rear Suspension (IRS) for enhanced comfort and handling, proven On-Command® 4WD system with differential lock, and a liquid-cooled, 348cc SOHC engine. The HUNTER Edition package further enhances its utility for outdoor enthusiasts. The commitment to engineering quality is evident in the durable steel frame, efficient powertrain, and user-friendly design, making it a dependable choice for various terrains and tasks. This comprehensive service, repair, and maintenance manual provides detailed instructions for the global market, covering both Standard and HUNTER Edition trims. It offers step-by-step procedures for engine overhaul, drivetrain component repair, suspension and steering system maintenance, braking system service, and electrical system diagnostics. Additionally, the manual includes routine maintenance schedules, troubleshooting guidance for common issues, and specific adjustment procedures for systems like the carburetor and brakes. With an estimated 400-500 pages of English content, this manual is an essential resource for owners, mechanics, and technicians seeking to maintain, repair, and ensure the optimal performance and longevity of their Grizzly 350.

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

Grizzly 350 IRS / 4WD / HUNTER

Model Variant:

IRS / 4WD / HUNTER

Year:

Codes

Chassis Code:

YFM350FGPH

Engine Code:

👋 Introduction

Market Position

Market Segment:

Mid-size utility ATV, positioned for recreational and hunting applications.

Key Selling Points:

Reliability, 4WD capability, IRS for improved comfort and handling, Yamaha's proven engine technology, dedicated HUNTER package.

Competitive Analysis

Primary Competitors:

Honda FourTrax 350/420, Polaris Sportsman 400/500, Kawasaki Brute Force 300/400, Suzuki KingQuad 300/400.

Key Features

Vehicle Key Features:

Independent Rear Suspension (IRS), On-Command 4WD, sealed front drive, rugged chassis, liquid-cooled engine, digital instrumentation, ample cargo racks.

📋 Manual Details

Coverage Areas

Geographical Coverage:

Global

Trim Level Coverage:

Standard, HUNTER Edition

Page Count

Page Count:

Estimated 400-500 pages (typical for a comprehensive service manual)

Manual Type

Manual Type:

Service Repair Maintenance Overhaul Manual

Language

Language:

English

Format

Format:

PDF Download (digitally created, not scanned)

📖 Manual Coverage

Systems Covered

Engine Systems:

Engine overhaul, top-end repair, bottom-end repair, lubrication system, cooling system, fuel system, ignition system, starting system, exhaust system.

Drivetrain Systems:

Transmission (CVT) inspection and repair, drive shaft, differentials (front and rear), hub assemblies, wheel bearings, drive belts.

Suspension Steering Systems:

Independent Rear Suspension (IRS) components, front suspension, steering linkage, tie rods, ball joints, shock absorbers, control arms.

Braking Systems:

Hydraulic brake system, brake calipers, brake pads, brake discs, master cylinder, brake lines, parking brake.

Electrical Systems:

Wiring diagrams, charging system (stator, regulator/rectifier), battery maintenance, lighting system, ignition switch, kill switch, starter motor, fuses, relays.

Fuel System:

Carburetor (Mikuni BSR33) tuning and overhaul, fuel pump, fuel filter, fuel tank and lines.

Body Frame Chassis:

Frame inspection, body panels, fenders, racks, seat, handlebars, footpegs.

Procedures Included

Routine Maintenance:

Oil change intervals and specifications, filter replacements (oil, air), spark plug replacement, valve clearance adjustment, lubrication points.

Troubleshooting:

Diagnostic procedures for common performance issues, starting problems, electrical faults, and drivability concerns.

Repair Procedures:

Step-by-step instructions for component disassembly, cleaning, inspection, repair, and reassembly of all major systems.

Overhaul Procedures:

Complete engine and transmission overhaul instructions, including piston and ring replacement, bearing checks, and seal replacements.

Adjustment Procedures:

Carburetor adjustments, throttle cable adjustment, brake adjustments, clutch engagement adjustments.

Technical Depth

Depth:

Comprehensive: Covers everything from basic rider maintenance to full engine and transmission rebuilds, including electrical diagnostics.

📊 Manual Specifications

File Format

File Format:

Searchability:

Searchable text content

Zoom Capability:

High resolution, allowing for zoom without loss of clarity

Print Quality

Print Quality:

Computer-generated (high-quality, sharp text and diagrams)

Binding Type

Binding Type:

N/A (Digital PDF download)

Paper Type

Paper Type:

N/A (Digital PDF download)

⚙️ Engine Specifications

Primary Engine

Engine Type:

4-stroke, SOHC, 2-valve, single cylinder

Displacement:

348cc

Bore X Stroke:

83.0 mm x 64.5 mm

Cooling System:

Liquid-cooled

Compression Ratio:

9.2:1

Performance

Horsepower Estimate:

Approximately 21-23 hp (at 6,000 RPM)

Torque Estimate:

Approximately 20-22 lb-ft (at 4,500 RPM)

Fuel System

Fuel Delivery:

Carburetor (Mikuni BSR33)

Fuel Type:

Unleaded gasoline (87 octane recommended)

Lubrication System

Oil Type:

Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher

Oil Capacity:

Approximately 1.7 L (1.8 US qt) with filter change

Ignition System

Ignition Type:

CDI (Capacitor Discharge Ignition)

Spark Plug Type:

NGK CR6HSA (or equivalent)

Spark Plug Gap:

0.6-0.7 mm (0.024-0.028 in)

🔧 Transmission

Standard

Transmission Type:

Automatic (Yamaha Ultramatic® CVT with engine braking)

Drive System:

Shaft drive, On-Command® 2WD/4WD with differential lock

Features

Gear Reduction:

High and Low range, Neutral, Reverse

Transmission Fluid Type:

Yamaha Gear Oil (or equivalent) SAE 80 API GL-4

Transmission Fluid Capacity:

Approximately 0.2 L (0.21 US qt)

📐 Dimensions

Exterior

Length:

76.5 in (1943 mm)

Width:

41.1 in (1044 mm)

Height:

45.5 in (1156 mm)

Wheelbase:

49.2 in (1250 mm)

Ground Clearance:

7.1 in (181 mm)

Cargo

Front Rack Capacity:

66 lbs (30 kg)

Rear Rack Capacity:

176 lbs (80 kg)

Weights

Dry Weight:

540 lbs (245 kg)

Fuel Capacity:

3.2 gal (12 L), including 0.8 gal (3 L) reserve

Wheels Tires

Front Tire Size:

AT25x8-12

Rear Tire Size:

AT25x10-12

Wheel Type:

Stamped steel

🛡️ Safety Features

Ratings

Safety Certifications:

While ATVs are not typically crash-tested like cars, this manual will cover safety features and operating guidelines to ensure safe usage.

Active Features

Braking System:

Hydraulic disc front and rear, with sealed drum parking brake.

Engine Braking:

Yamaha's Ultramatic® CVT provides reliable engine braking for descents.

Passive Features

Chassis Design:

Durable steel frame designed for stability and load-bearing.

Ergonomics:

Comfortable seating position, accessible controls, and footwells designed for rider security.

💡 Technology Features

Infotainment

Infotainment System:

Basic digital instrumentation: speedometer, odometer, trip meter, hour meter, 2WD/4WD indicator, fuel gauge. No advanced infotainment features.

Driver Assistance

Driver Assistance Features:

Yamaha Ultramatic® CVT with engine braking. On-Command® 4WD system with differential lock.

Connectivity

Connectivity Features:

N/A (No electronic connectivity features for external devices).

🔧 Maintenance

Service Intervals

Initial Service:

First service typically recommended at 100 miles or 1 month, covering engine oil change, drivetrain oil check, and general inspection.

Regular Oil Change:

Every 100 hours or 6 months (whichever comes first) for engine oil and filter.

Air Filter Cleaning Replacement:

Inspect every 50 hours or 3 months; clean/replace as needed, more frequently in dusty conditions.

Spark Plug Replacement:

Every 200 hours or 1 year.

Valve Clearance Adjustment:

Every 200 hours or 1 year.

Drivetrain Oil Change:

Every 200 hours or 1 year.

Fluid Specifications

Engine Oil Spec:

Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher

Brake Fluid Spec:

DOT 3 or DOT 4 hydraulic brake fluid

Drivetrain Oil Spec:

Yamaha Gear Oil (or equivalent) SAE 80 API GL-4

Known Issues

Common Wear Items:

CVT belt wear, brake pad wear, wheel bearing wear, spark plug fouling (if maintenance is neglected).

Potential Electrical Issues:

Degradation of stator or regulator/rectifier over time, requiring replacement. Corrosion in connectors.

Carburetor Tuning:

May require periodic adjustment or cleaning, especially after prolonged storage or fuel contamination.

📚 Vehicle History

Brand Heritage

Brand Focus:

Yamaha has a long-standing reputation for producing reliable, high-performance powersports vehicles, including a strong lineage of ATVs.

Model Evolution

Predecessor Models:

The Grizzly 350 is an evolution of Yamaha's popular utility ATV line, building upon the success of models like the Timberwolf and Bruin.

Key Advancements For 350:

Introduction of IRS on a 350cc platform, enhancement of 4WD system, and refinement of the liquid-cooled engine for better performance and reliability.

Production

Manufacturing Location:

Primarily manufactured in Japan and/or the United States by Yamaha Motor Corporation.

🏆 Awards & Recognition

Recognitions

Industry Awards:

While specific awards for this model may not be widely publicized, Yamaha ATVs consistently receive positive reviews for reliability and performance in their class.

Ratings

User Ratings:

Generally well-regarded by owners for its robust construction and ability to handle various terrains and tasks.